Keywords: sdasm aviation aeronautics blackandwhite monochrome vehicle airplane aircraft outdoor black and white Catalog #: 00031980 Manufacturer: Ford Designation: RR-4 Official Nickname: Tri-Motor Notes: Repository: San Diego Air and Space Museum Archive Catalog #: 00031980 Manufacturer: Ford Designation: RR-4 Official Nickname: Tri-Motor Notes: Repository: San Diego Air and Space Museum Archive |