Special Conditions: TTF Aerospace Inc., Boeing Model 767-300F Series Airplane; Installation of Main-Deck Crew-Rest Compartment

These special conditions are issued for the Boeing Model 767- 300F series airplane. This airplane, as modified by TTF Aerospace Inc., will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport- category airplanes. This design feature is a crew-rest compartment located in a Class E cargo compartment on the main deck of the airplane. 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.