Aircraft interconnecting mechanism

摘要: 724,092. Refuelling aircraft. BOEING AIRPLANE CO. July 16, 1951, No. 16868/51. Drawings to Specification. Class 4. In an aircraft flight refuelling system, the fuel pipe is suspended from tanker in a tail boom which carried by universal joint fixed underside of tanker. The positioned rudder and elevator surfaces adjusted manually observer tail. Extension or contraction effected either hydraulically using pressure ormechanically motor. Specification 682,375 referred to. Reference has been directed Comptroller 682,375.