1592954261000 1312632483000 term-97151 1616541501800 1312632597000 1616290453010 adlib fitz-online adlib-term-97151 d0007614-29a3-354e-a73d-4b5d86a40160 2 1 scope note Airplanes with two sets of wings, one above and usually slightly forward of the other. RHDEL2 reference term-96150 adlib-term-96150 158fbbb8-ab52-3fa6-935a-28b8395af168 biplane V.TX.AFU.AFU.AFU.ALO.AFU.AFU.AFU.BCW.AFU 1 code V.TX.AFU.AFU.AFU.ALO.AFU.AFU.AFU.BCW.AFU 1 biplanes reference term-97152 adlib-term-97152 c6444bc2-2e1c-3a71-bf07-01f8323d88c8 <fixed-wing aircraft by number of wings> biplanes term