Bibliography:
Grumman Aircraft Data From 1930; Grumman Historical Office, June 1993
Secret Projects.co.uk Forum

G-#	Designation/Description
G-1	“A” Float
G-2	“B” Float
G-5	FF-1
G-6	SF-1
G-7	JF-1
G-7A	GG-1
G-8	F2F
G-9	JF-2 Duck
G-10	JF-3 Duck
G-11	F3F-1
G-13	XSF-2
G-14	XSBF-1
G-15	J2F-1 Duck
G-18	XF4F-2 Wildcat
G-19	XF3F-2, F3F-2, XF3F-3, XF3F-3
G-20	G-20 Amphibian
G-21	G-21 Goose
G-21A	G-21A Goose
G-21B	G-21B Goose
G-22	Gulfhawk II
G-23	G-23 Goblin Fighter
G-26	XJ3F-1 Goose
G-31	OA-9 Utility Transport
G-32	G-32 Gulfhawk III Transport
G-32A	“The Red Ship”
G-34	XF5F-1 Skyrocket
G-36	F4F-3 Wildcat
G-36A	Martlet Mk I
G-36B	Martlet Mk II
G-38	JRF-1 Goose
G-39	JRF-2/-3 Goose
G-40	TBF Avenger
G-42	XJL-1
G-44	G-44/J4F Widgeon
G-46	XP-50
G-50	F6F Hellcat
G-51	F7F Tigercat
G-52	F4F-7 Wildcat
G-53	F4F-4 Wildcat
G-55	XTB2F-1
G-58	F8F Bearcat
G-63	G-63 “Hepcat Kitten I”
G-63A	G-63A “Kitten I”
G-64	JR2F-1/UF-1/SA-16 Albatross
G-65	G-65 Tadpole
G-66	XTSF-1 Tigercat
G-70	XTB3F
G-72	G-72 Kitten II
G-73	G-73 Mallard
G-74	Widgeon
G-77	Research Aircraft for low-speed handling characteristics of highly swept wings.
G-79	F9F Panther
G-82	AF-2S/W Guardian
G-83	F10F Jaguar
G-89	S2F-1/S-2 Tracker
G-93	F9F Cougar
G-94A	F9F-7 Cougar
G-96	TF-1/C-1 Tracker
G-97	February 1953 proposal for a a single-seat carrier-based aircraft capable of supersonic speeds in level flight.
G-98	F11F-1/F-11A Tiger
G-98J	F11F-1F Super Tiger
G-99	F9F-8 Cougar
G-105	F9F-8T/TF-9J Cougar
G-111	HU-16B Albatross
G-117	WF-2/E-1 Tracker
G-118	XF12F-1
G-121	S2F-3/S-2D Tracker
G-123	W2F-1/E-2A Hawkeye and C-2A Greyhound
G-123U	E-2B Hawkeye
G-125	TF-1Q/EC-1A Trader
G-128	A2F-1/A-6A Intruder
G-128D	A2F-1H/EA-6A Intruder
G-128A	A-6B Intruder
G-128T	A-6C Intruder
G-128R	KA-6D Intruder
G-128S	A-6E Intruder
G-128J	EA-6B Prowler
G-128G-12	VA(L) single engine proposal based off A-6A.
G-134	AO-1A/OV-1A Mohawk
G-159	G-159 Gulfstream I
G-164	G-164 Ag Cat
G-164A	G-164A Super Ag Cat
G-164D	G-164D Turbo-Cat
G-1159	Gulfstream II
G-191	HU-16D Albatross (German Navy)
G-231	SA-16B Albatross (Canada)
G-234	HU-16E Albatross Utility Transport
G-251	SA-16B Albatross (ASW version)
G-262	HU-16D Albatross (Japan)
G-273	F-111B Aardvark
G-303C	F-14A Tomcat (USN)
G-303N	F-14A Tomcat (Iran)
G-303F	F-14B/C Tomcat
G-303D	F-14D Tomcat
G-426	TC-4C Academe
G-607A	Supersonic V/STOL Fighter for SCS.
G-712	X-29A FSW Experimental Plane