Whizzawing 67           67	850	OT      PY      DeBolt-Hal					1940	aka (correctly) as Thunderbolt
Wildcat 13		45	263	A       F-c	Webb-Leighton			Zaic /38 pg 69	1938	
Winged Victory          60	440	A       F-c	Weathers-Elbert			MAN 9/37	1937
Winged Yankee           45	317	OT      PY      Taibi-Sal			MAN 12/42	1942	Sheelds pg 80
Winner Biplane          48	640	A       F-b			YALECRAFT			1938	
WIT-Eagle               48	---	OT      F       Shaw-Russ	W.I.T. 				1939	Sheelds pg 55
WIT-Hornet              36	148	OT      PY      Shaw-Russ	W.I.T.				1940	Sheelds pg 59. Atom powered
WitTriax		72	---	OT 	F 	Shaw-Russ	W.I.T.				1939	Sheelds pg 55
WOG			60	320	OT      F-nc	Winter-Bill	MEGOW				1942
WOG			60	320	OT      F-nc	Winter-Bill			AT 2/45		1942
XA1 (class A)           --	---	OT      F-nc			NEW CYCLONE AIRCRAFT		1939	Sheelds pg 69
XP-2                    93	1052	A       F-c	Shereshaw-Ben			FA 10/37	1937
XP-3                    120	1413	A       F-c	Shereshaw-Ben					1938	Sheelds pg 40
XP-3                    114	1413	A       F-c	Shereshaw-Ben			Zaic /37 pg 109	1937
Yankee Clipper          76	858	A       F       Tanis-Richhard					1937	
Yates Pylon Class A     48	---	OT      PY	Yates						1940	
Yates Pylon Class B     57	---	OT      PY	Yates						1941	
Yates Pylon Class C     70	---	OT      PY	Yates						1940	
Yehudi                  44	300	OT      F-nc	Stoloff-Jerry					1939	
Yogi                    42	---	OT      F-p	Stoloff-Jerry	EAGLE (1945)	MAN 10/42	1942	Bantom powered pusher
Zenith (Lackey)         76	826	A       F-nc	Lackey	AIRCRAFT		AT 1/39		1938	SAM Speaks #161
Zenith (Lackey)		76	826	A       F-nc	Lackey	BILLET			AT 1/39		1938
Zipper                  54	488	OT      PY      Goldberg-Carl	COMET				1939	Sheelds pg 51
Zipper (Scaled up) 	92	800	OT 	PY 	Russell-Jack					1940	Flown at 1941 Nats. Scale factor 1.70
Zipper, Stretched       66	---	OT      PY      Brandenberg-Ralph		SAM Speaks #152	1939	aka "Tiger Zipper"
Zipper A                32	165	OT      PY      Goldberg-Carl	COMET				1940	Sheelds pg 61