81 FR 43469 - Special Conditions: Kestrel Aircraft Company, Model K-350 Turboprop, Lithium Batteries
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 81, Issue 128 (July 5, 2016)
Federal Aviation Administration
Federal Register Volume 81, Issue 128 (July 5, 2016)
| Page Range | 43469-43471 | |
| FR Document | 2016-15765 |
[Federal Register Volume 81, Number 128 (Tuesday, July 5, 2016)] [Rules and Regulations] [Pages 43469-43471] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2016-15765] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 23 [Docket No. FAA-2015-5034; Special Conditions No. 23-273-SC] Special Conditions: Kestrel Aircraft Company, Model K-350 Turboprop, Lithium Batteries AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final special conditions. ----------------------------------------------------------------------- SUMMARY: These special conditions are issued for the Kestrel Aircraft Company, Model K-350 Turboprop airplane. This airplane will have a novel or unusual design feature associated with the installation of a rechargeable lithium battery. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards. DATES: These special conditions are effective July 5, 2016 and are applicable on June 23, 2016. FOR FURTHER INFORMATION CONTACT: Ruth Hirt, Federal Aviation Administration, Small Airplane Directorate, Aircraft Certification Service, Programs and Procedures Branch, ACE-114, 901 Locust, Room 301, Kansas City, MO 64106; telephone (816) 329-4108, facsimile (816) 329- 4090. SUPPLEMENTARY INFORMATION: Background On November 22, 2011, Kestrel Aircraft Company applied for a type certificate for their new Model K-350. The Kestrel Aircraft Company Model K-350 is a single-engine turboprop airplane with the primary structure constructed largely of carbon and epoxy composite material. The turboprop engine will be a Honeywell Model TPE331-14GR-801KT that is integrated with a Hartzell 4 bladed, 110-inch carbon composite propeller. The standard seating configuration offers a one plus five cabin (one pilot and five passengers). Alternate interior configurations will be available from two seats (cargo configuration) up to eight seats total. The K-350 will incorporate an integrated avionics system, retractable landing gear, and a conventional tail configuration. Specifications expected for the K-350 include the following:Maximum altitude: 31,000 Feet Maximum cruise speed: 320 Knots True Air Speed Maximum takeoff weight: 8,900 Pounds Maximum economy cruise: 1,200 Nautical Miles The K-350 will be certified for single-pilot operations under part 91 and part 135 operating rules. The following operating conditions will be included: Day and Night Visual Flight Rules Instrument Flight Rules Flight Into Known Icing (Phase B certification) Kestrel Aircraft Company plans to utilize a rechargeable lithium main battery on their new Model K-350 turboprop airplane. The current regulatory requirements for part 23 airplanes do not contain adequate requirements for the application of rechargeable lithium batteries in airborne applications. This type of battery possesses certain failure and operational characteristics with maintenance requirements that differ significantly from that of the nickel-cadmium (Ni-Cd) and lead- acid rechargeable batteries currently approved in other normal, utility, acrobatic, and commuter category airplanes. Therefore, the FAA is issuing this special condition to require that (1) all characteristics of the rechargeable lithium batteries and their installation that could affect safe operation of the K-350 are addressed, and (2) appropriate Instructions for Continued Airworthiness that include maintenance requirements are established to ensure the availability of electrical power from the batteries when needed. Type Certification Basis Under the provisions of 14 CFR 21.17, Kestrel Aircraft Company must show that the K-350 meets the applicable provisions of part 23, as amended by amendments 23-1 through 23-62 thereto. If the Administrator finds that the applicable airworthiness regulations (i.e., 14 CFR part 23) do not contain adequate or appropriate safety standards for the K-350 because of a novel or unusual design feature, special conditions are prescribed under the provisions of Sec. 21.16. Special conditions are initially applicable to the model for which they are issued. Should the type certificate for that model be amended later to include any other model that incorporates the same or similar novel or unusual design feature, the special conditions would also apply to the other model under Sec. 21.101. In addition to the applicable airworthiness regulations and special conditions, the K-350 must comply with the fuel vent and exhaust emission requirements of 14 CFR part 34 and the noise certification requirements of 14 CFR part 36, and the FAA must issue a finding of regulatory adequacy under Sec. 611 of Public Law 92-574, the Noise Control Act of 1972. The FAA issues special conditions, as defined in 14 CFR 11.19, in accordance with Sec. 11.38, and they become part of the type- certification basis under Sec. 21.17(a)(2). Novel or Unusual Design Features The K-350 will incorporate the following novel or unusual design feature: Installation of a rechargeable lithium battery as the main or engine start aircraft battery. Discussion The current regulatory requirements for part 23 airplanes do not contain adequate requirements for the [[Page 43470]] application of rechargeable lithium batteries in electrical system design. This type of battery possesses certain failures with operational characteristics and maintenance requirements that differ significantly from that of the Ni-Cd and lead-acid rechargeable batteries currently approved in other normal, utility, acrobatic, and commuter category airplanes. Therefore, the FAA is issuing this special condition to require that (1) all characteristics of the rechargeable lithium batteries and their installation that could affect safe operation of the K-350 are addressed, and (2) appropriate Instructions for Continuous Airworthiness which include maintenance requirements are established to ensure the availability of electrical power from the batteries when needed. As previously mentioned, Kestrel Aircraft Company plans to utilize a rechargeable lithium main battery on their new Model K-350 turboprop airplane. At the Kestrel Preliminary Type Certification Board Meeting it was brought to the attention of the FAA that the lithium battery used in the K-350 will be qualified to RTCA standards DO-311, titled Minimum Operational Performance Standards for Rechargeable Lithium Battery Systems. Additionally, on July 18, 2013, Kestrel advised the Civil Aviation Contingency Operations (CACO) that the battery will have Technical Standard Order Authorization for TSO-C179a,\1\ titled Permanently Installed Rechargeable Lithium Cells, Batteries and Battery Systems. Finally, Kestrel plans to use the same manufacturer for both the lithium battery and the battery controller. --------------------------------------------------------------------------- \1\ http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgTSO.nsf/0/A3B77A692AE3FF9386257885004B079C?OpenDocument. --------------------------------------------------------------------------- Presently, there is limited experience with use of rechargeable lithium batteries in applications involving commercial aviation. However, other users of this technology, ranging from wireless telephone manufacturers to the electric vehicle industry, have noted safety problems with lithium batteries. These problems include overcharging, over-discharging, and flammability of cell components, described in the following: 1. Overcharging: In general, lithium batteries are significantly more susceptible to internal failures that can result in self- sustaining increases in temperature and pressure (i.e., thermal runaway) than the Ni-Cd or lead-acid counterparts. This is especially true for overcharging which causes heating and destabilization of the components of the cell, leading to the formation (by plating) of highly unstable metallic lithium. The metallic lithium may ignite, resulting in a fire or explosion. Finally, the severity of thermal runaway due to overcharging increases with increasing battery capacity and physical size. 2. Over-discharging: Discharge of some types of lithium battery cells beyond a certain voltage (typically 2.4 volts) can cause corrosion of the electrodes of the cell, resulting in loss of battery capacity that cannot be reversed by recharging. This loss of capacity may not be detected by the simple voltage measurements commonly available to flight crews as a means of checking battery status, which is a problem shared with Ni-Cd batteries. 3. Flammability of Cell Components: Unlike Ni-Cd and lead-acid batteries, some types of lithium batteries use liquid electrolytes that are flammable. The electrolyte may serve as a source of fuel for an external fire, if there is a breach of the battery container. These problems experienced by users of lithium batteries raise concern about the use of these batteries in commercial aviation. The intent of the special condition is to establish appropriate airworthiness standards for lithium battery installations in the K-350 and to ensure, as required by Sec. Sec. 23.1309 and 23.601, that these battery installations are neither hazardous nor unreliable. In showing compliance with the special conditions herein, paragraphs (a)(1) through (a)(8), and the RTCA document, Minimum Operational Performance Standards for Rechargeable Lithium Battery Systems, DO-311, may be used. The list of planned DO-311 tests should be documented in the certification or compliance plan and agreed to by the CACO. Alternate methods of compliance other than DO-311 tests must be coordinated with the directorate and CACO. Discussion of Comments Notice of proposed special conditions No. 23-15-01-SC \2\ for the Kestrel Aircraft Company Model K-350 Turboprop airplanes was published in the Federal Register on November 4, 2015 (80 FR 68281). No comments were received, and the special conditions are adopted as proposed. --------------------------------------------------------------------------- \2\ https://www.regulations.gov/#!documentDetail;D=FAA-2015- 5034-0001. --------------------------------------------------------------------------- Applicability These special conditions are not intended to replace Sec. 23.1353(a)(b)(c)(d)(e) at amendment 23-62 in the certification basis of Model K-350 airplanes. These special conditions apply only to rechargeable lithium batteries and lithium battery systems and their installations. The requirements of Sec. 23.1353 at amendment 23-62 remains in effect for batteries and battery installations on K-350 series that do not use newly technologically developed batteries. As previously discussed, these special conditions are applicable to the K-350. Should Kestrel Aircraft Company apply at a later date for a change to the type certificate to include another model incorporating the same novel or unusual design feature, the special conditions would apply to that model as well. Under standard practice, the effective date of final special conditions would be 30 days after the date of publication in the Federal Register; however, as the certification date for the Kestrel Aircraft Company Model K-350 Turboprop airplane is imminent, the FAA finds that good cause exists to make these special conditions effective upon issuance. Conclusion This action affects only certain novel or unusual design features on one model of airplane. It is not a rule of general applicability and it affects only the applicant who applied to the FAA for approval of these features on the airplane. List of Subjects in 14 CFR Part 23 Aircraft, Aviation safety, Signs and symbols. Citation 0 The authority citation for these special conditions is as follows: Authority: 49 U.S.C. 106(g), 40113 and 44701; 14 CFR 21.16 and 21.17; and 14 CFR 11.38 and 11.19. The Special Conditions Accordingly, pursuant to the authority delegated to me by the Administrator, the following special conditions are issued as part of the type certification basis for Kestrel Aircraft Company, Model K-350 Turboprop airplanes. 1. Kestrel Aircraft Company, Model K-350 Turboprop, Lithium Batteries. The FAA issues special conditions that adopt the following requirements that must be applied to all rechargeable lithium battery and lithium battery installations in lieu of the requirements of Sec. 23.1353(a)(b)(c)(d)(e), amendment 23-62: (a) Rechargeable lithium batteries and battery installations must be designed and installed as follows: (1) Safe cell temperatures and pressures must be maintained during-- [[Page 43471]] i. normal operations; ii. any probable failure conditions of charging or discharging or battery monitoring system; or iii. any failure of the charging or battery monitoring system not shown to be extremely remote. (2) The rechargeable lithium battery installation must be designed to preclude explosion or fire in the event of (e)(1)(ii) and (e)(1)(iii) failures. (3) Design of the rechargeable lithium batteries must preclude the occurrence of self-sustaining, uncontrolled increases in temperature or pressure. (4) No explosive or toxic gasses emitted by any rechargeable lithium battery in normal operation or as the result of any failure of the battery charging system, monitoring system, or battery installation that is not shown to be extremely remote, may accumulate in hazardous quantities within the airplane. (5) Installations of rechargeable lithium batteries must meet the requirements of Sec. 23.863(a) through (d) at amendment 23-34. (6) No corrosive fluids or gases that may escape from any rechargeable lithium battery may damage surrounding structure or any adjacent systems, equipment, electrical wiring, or the airplane in such a way as to cause a major or more severe failure condition, in accordance with Sec. 23.1309(c) at amendment 23-62 and applicable regulatory guidance. (7) Each rechargeable lithium battery installation must have provisions to prevent any hazardous effect on structure or essential systems that may be caused by the maximum amount of heat the battery can generate during a short circuit of the battery or of its individual cells. (8) Rechargeable lithium battery installations must have-- i. a system to automatically control the charging rate of the battery to prevent battery overheating and overcharging; ii. a battery temperature sensing and over-temperature warning system with a means of automatically disconnecting the battery from its charging source in the event of an over-temperature condition; and iii. a battery failure sensing and warning system with a means of automatically disconnecting the battery from its charging source in the event of battery failure. (b) Any rechargeable lithium battery installation functionally required for safe operation of the airplane must incorporate a monitoring and warning feature that will provide an indication to the appropriate flight crewmembers whenever the State of Charge (SOC) of the batteries has fallen below levels considered acceptable for dispatch of the airplane. (c) The Instructions for Continued Airworthiness required by Sec. 23.1529 at amendment 23-26 must contain maintenance requirements to assure that the battery has been sufficiently charged at appropriate intervals specified by the battery manufacturer and the equipment manufacturer that contain the rechargeable lithium battery or rechargeable lithium battery system. This is required to ensure that lithium rechargeable batteries and lithium rechargeable battery systems will not degrade below specified ampere-hour levels sufficient to power the aircraft system. The Instructions for Continued Airworthiness must also contain procedures for the maintenance of replacement batteries in spares storage to prevent the installation of batteries that have degraded charge retention ability or other damage due to prolonged storage at a low state of charge. Replacement batteries must be of the same manufacturer and part number as approved by the FAA. Issued in Kansas City, Missouri, on June 23, 2016. William Schinstock, Acting Manager, Small Airplane Directorate Aircraft Certification Service. [FR Doc. 2016-15765 Filed 7-1-16; 8:45 am] BILLING CODE 4910-13-P
![Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations 43469
§§ 13.303 and 13.305 [Removed] equivalent to that established by the significantly from that of the nickel-
■ 3. Remove §§ 13.303 and 13.305. existing airworthiness standards. cadmium (Ni-Cd) and lead-acid
DATES: These special conditions are rechargeable batteries currently
CHAPTER III—COMMERCIAL SPACE approved in other normal, utility,
TRANSPORTATION, FEDERAL AVIATION
effective July 5, 2016 and are applicable
on June 23, 2016. acrobatic, and commuter category
ADMINISTRATION, DEPARTMENT OF
TRANSPORTATION FOR FURTHER INFORMATION CONTACT: airplanes. Therefore, the FAA is issuing
Ruth Hirt, Federal Aviation this special condition to require that (1)
PART 406—INVESTIGATIONS, Administration, Small Airplane all characteristics of the rechargeable
ENFORCEMENT, AND Directorate, Aircraft Certification lithium batteries and their installation
ADMINISTRATIVE REVIEW Service, Programs and Procedures that could affect safe operation of the K–
Branch, ACE–114, 901 Locust, Room 350 are addressed, and (2) appropriate
■ 4. The authority citation for part 406 301, Kansas City, MO 64106; telephone Instructions for Continued
continues to read as follows: (816) 329–4108, facsimile (816) 329– Airworthiness that include maintenance
Authority: 51 U.S.C. 50901–50923. 4090. requirements are established to ensure
the availability of electrical power from
■ 5. Revise § 406.9(a) to read as follows: SUPPLEMENTARY INFORMATION: the batteries when needed.
§ 406.9 Civil penalties. Background Type Certification Basis
(a) Civil penalty liability. Under 51 On November 22, 2011, Kestrel Under the provisions of 14 CFR 21.17,
U.S.C. 50917(c), a person found by the Aircraft Company applied for a type Kestrel Aircraft Company must show
FAA to have violated a requirement of certificate for their new Model K–350. that the K–350 meets the applicable
the Act, a regulation issued under the The Kestrel Aircraft Company Model K– provisions of part 23, as amended by
Act, or any term or condition of a 350 is a single-engine turboprop amendments 23–1 through 23–62
license or permit issued or transferred airplane with the primary structure thereto.
under the Act, is liable to the United constructed largely of carbon and epoxy If the Administrator finds that the
States for a civil penalty of not more composite material. The turboprop applicable airworthiness regulations
than $225,867 for each violation. A engine will be a Honeywell Model (i.e., 14 CFR part 23) do not contain
separate violation occurs for each day TPE331–14GR–801KT that is integrated adequate or appropriate safety standards
the violation continues. with a Hartzell 4 bladed, 110-inch for the K–350 because of a novel or
* * * * * carbon composite propeller. The unusual design feature, special
Issued under authority provided by 28 standard seating configuration offers a conditions are prescribed under the
U.S.C. 2461 and 49 U.S.C. 106(f), 44701(a), one plus five cabin (one pilot and five provisions of § 21.16.
and 46301 in Washington, DC, on June 23, passengers). Alternate interior Special conditions are initially
2016. configurations will be available from applicable to the model for which they
Michael P. Huerta, two seats (cargo configuration) up to are issued. Should the type certificate
Administrator. eight seats total. The K–350 will for that model be amended later to
[FR Doc. 2016–15744 Filed 7–1–16; 8:45 am] incorporate an integrated avionics include any other model that
BILLING CODE 4910–13–P
system, retractable landing gear, and a incorporates the same or similar novel
conventional tail configuration. or unusual design feature, the special
Specifications expected for the K–350 conditions would also apply to the other
DEPARTMENT OF TRANSPORTATION include the following: model under § 21.101.
• Maximum altitude: 31,000 Feet In addition to the applicable
Federal Aviation Administration • Maximum cruise speed: 320 Knots airworthiness regulations and special
True Air Speed conditions, the K–350 must comply
14 CFR Part 23 • Maximum takeoff weight: 8,900 with the fuel vent and exhaust emission
Pounds requirements of 14 CFR part 34 and the
[Docket No. FAA–2015–5034; Special
Conditions No. 23–273–SC]
• Maximum economy cruise: 1,200 noise certification requirements of 14
Nautical Miles CFR part 36, and the FAA must issue a
Special Conditions: Kestrel Aircraft The K–350 will be certified for single- finding of regulatory adequacy under
Company, Model K–350 Turboprop, pilot operations under part 91 and part § 611 of Public Law 92–574, the Noise
Lithium Batteries 135 operating rules. The following Control Act of 1972.
operating conditions will be included: The FAA issues special conditions, as
AGENCY: Federal Aviation defined in 14 CFR 11.19, in accordance
Administration (FAA), DOT. • Day and Night Visual Flight Rules
• Instrument Flight Rules with § 11.38, and they become part of
ACTION: Final special conditions. • Flight Into Known Icing (Phase B the type-certification basis under
certification) § 21.17(a)(2).
SUMMARY: These special conditions are
issued for the Kestrel Aircraft Company, Kestrel Aircraft Company plans to Novel or Unusual Design Features
Model K–350 Turboprop airplane. This utilize a rechargeable lithium main The K–350 will incorporate the
airplane will have a novel or unusual battery on their new Model K–350 following novel or unusual design
design feature associated with the turboprop airplane. The current feature:
installation of a rechargeable lithium regulatory requirements for part 23 Installation of a rechargeable lithium
sradovich on DSK3GDR082PROD with RULES
battery. The applicable airworthiness airplanes do not contain adequate battery as the main or engine start
regulations do not contain adequate or requirements for the application of aircraft battery.
appropriate safety standards for this rechargeable lithium batteries in
design feature. These special conditions airborne applications. This type of Discussion
contain the additional safety standards battery possesses certain failure and The current regulatory requirements
that the Administrator considers operational characteristics with for part 23 airplanes do not contain
necessary to establish a level of safety maintenance requirements that differ adequate requirements for the
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![Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations 43471
i. normal operations; whenever the State of Charge (SOC) of DATES: This action is effective on
ii. any probable failure conditions of the batteries has fallen below levels JAMCO America, Inc., on July 5, 2016.
charging or discharging or battery considered acceptable for dispatch of We must receive your comments August
monitoring system; or the airplane. 19, 2016.
iii. any failure of the charging or (c) The Instructions for Continued FOR FURTHER INFORMATION CONTACT: John
battery monitoring system not shown to Airworthiness required by § 23.1529 at Shelden, FAA, Airframe and Cabin
be extremely remote. amendment 23–26 must contain Safety Branch, ANM–115,Transport
(2) The rechargeable lithium battery maintenance requirements to assure that Airplane Directorate, Aircraft
installation must be designed to the battery has been sufficiently charged Certification Service, 1601 Lind Avenue
preclude explosion or fire in the event at appropriate intervals specified by the SW., Renton, Washington 98057–3356;
of (e)(1)(ii) and (e)(1)(iii) failures. battery manufacturer and the equipment telephone (425) 227–2785; facsimile
(3) Design of the rechargeable lithium manufacturer that contain the (425) 227–1320.
batteries must preclude the occurrence rechargeable lithium battery or SUPPLEMENTARY INFORMATION: On March
of self-sustaining, uncontrolled rechargeable lithium battery system. 16, 2016, the Federal Register published
increases in temperature or pressure. This is required to ensure that lithium a document designated as ‘‘Docket No.
(4) No explosive or toxic gasses rechargeable batteries and lithium FAA–2015–8298; Special Conditions
emitted by any rechargeable lithium rechargeable battery systems will not No. 25–611–SC,’’ (81 FR 13969). That
battery in normal operation or as the degrade below specified ampere-hour document issued special conditions
result of any failure of the battery levels sufficient to power the aircraft pertaining to dynamic test requirements
charging system, monitoring system, or system. The Instructions for Continued for single-occupant oblique (side-facing)
battery installation that is not shown to Airworthiness must also contain seats with inflatable restraints on Boeing
be extremely remote, may accumulate in procedures for the maintenance of Model 777–300ER airplanes. As
hazardous quantities within the replacement batteries in spares storage published, the special conditions are
airplane. to prevent the installation of batteries incomplete. The applicant was aware of
(5) Installations of rechargeable that have degraded charge retention the complete set of conditions at the
lithium batteries must meet the ability or other damage due to time of the original, incomplete
requirements of § 23.863(a) through (d) prolonged storage at a low state of publication.
at amendment 23–34. charge. Replacement batteries must be
(6) No corrosive fluids or gases that of the same manufacturer and part Correction
may escape from any rechargeable number as approved by the FAA. The following special conditions
lithium battery may damage replace the entire special conditions
Issued in Kansas City, Missouri, on June
surrounding structure or any adjacent section of the final special conditions
23, 2016.
systems, equipment, electrical wiring, or document [FR Doc. 2016–05995 Filed
William Schinstock,
the airplane in such a way as to cause 3–15–16; 8:45 a.m.], published on
a major or more severe failure condition, Acting Manager, Small Airplane Directorate
Aircraft Certification Service. March 16, 2016 (81 FR 13969). The
in accordance with § 23.1309(c) at introductory language was previously
[FR Doc. 2016–15765 Filed 7–1–16; 8:45 am]
amendment 23–62 and applicable published and is not changed.
regulatory guidance. BILLING CODE 4910–13–P
(7) Each rechargeable lithium battery The Special Conditions
installation must have provisions to ■ Accordingly, pursuant to the authority
prevent any hazardous effect on DEPARTMENT OF TRANSPORTATION
delegated to me by the Administrator,
structure or essential systems that may Federal Aviation Administration the following special conditions are
be caused by the maximum amount of issued as part of the type certification
heat the battery can generate during a 14 CFR Part 25 basis for Boeing Model 777–300ER
short circuit of the battery or of its airplanes modified by JAMCO.
individual cells. [Docket No. FAA–2015–8298; Special
(8) Rechargeable lithium battery Conditions No. 25–611–SC] Oblique (Side-Facing) Seats Special
installations must have— Conditions
i. a system to automatically control Special Conditions: JAMCO America,
Inc., Boeing Model 777–300ER, In addition to the requirements of
the charging rate of the battery to § 25.562:
prevent battery overheating and Dynamic Test Requirements for Single-
overcharging; Occupant Oblique (Side-Facing) Seats 1. Head Injury Criteria (HIC)
ii. a battery temperature sensing and With Inflatable Restraints
Compliance with § 25.562(c)(5) is
over-temperature warning system with a AGENCY: Federal Aviation required, except that, if the
means of automatically disconnecting Administration (FAA), DOT. anthropomorphic test device (ATD) has
the battery from its charging source in ACTION: Final special condition; request no apparent contact with the seat and
the event of an over-temperature for comments; corrections. related structure but has contact with an
condition; and airbag, a HIC unlimited score in excess
iii. a battery failure sensing and SUMMARY: This document corrects of 1000 is acceptable, provided the
warning system with a means of omissions in docket no. FAA–2015– HIC15 score (calculated in accordance
automatically disconnecting the battery 8298, special conditions no. 25–611–SC, with 49 CFR 571.208) for that contact is
from its charging source in the event of which was published in the Federal less than 700.
sradovich on DSK3GDR082PROD with RULES
battery failure. Register on March 16, 2016 (81 FR
(b) Any rechargeable lithium battery 13969). The special conditions in the 2. Body-to-Wall/Furnishing Contact
installation functionally required for published document are incomplete. If a seat is installed aft of structure
safe operation of the airplane must This correction replaces the entire (e.g. interior wall or furnishings) that
incorporate a monitoring and warning special conditions section from that does not provide a homogenous contact
feature that will provide an indication which appeared in the original Federal surface for the expected range of
to the appropriate flight crewmembers Register publication. occupants and yaw angles, then
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Document Created: 2016-07-01 23:50:15
Document Modified: 2016-07-01 23:50:15
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final special conditions. | |
| Dates | These special conditions are effective July 5, 2016 and are applicable on June 23, 2016. | |
| Contact | Ruth Hirt, Federal Aviation Administration, Small Airplane Directorate, Aircraft Certification Service, Programs and Procedures Branch, ACE-114, 901 Locust, Room 301, Kansas City, MO 64106; telephone (816) 329-4108, facsimile (816) 329- 4090. | |
| FR Citation | 81 FR 43469 | |
| CFR Associated | Aircraft; Aviation Safety and Signs and Symbols |
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