U - Utility Aircraft

Model	Designation	Manufacturer	Engine(s)	Crew	Other
YU-1	Otter	DeHavilland Canada	1 Pratt & Whitney R-1340 Wasp	4	YC-137
U-1A	Otter	DeHavilland Canada	1 Pratt & Whitney R-1340 Wasp		AU-1
RU-1A	Otter	DeHavilland Canada	1 Pratt & Whitney R-1340 Wasp	4
TU-1A	Otter	DeHavilland Canada	1 Pratt & Whitney R-1340 Wasp	4
U-1B	Otter	DeHavilland Canada	1 Pratt & Whitney R-1340-AN-3 Wasp		UC-1
U-2A		Lockheed	1 Pratt & Whitney J57-P-13/37A	1
WU-2A		Lockheed	1 Pratt & Whitney J57-P-13/37A	1
U-2B		Lockheed	1 Pratt & Whitney J75-P-13/13B	1
U-2C		Lockheed	1 Pratt & Whitney J75-P-13B	1
U-2CT		Lockheed	1 Pratt & Whitney J75-P-13B	2
U-2D		Lockheed	1 Pratt & Whitney J75-P-13/13B	2
U-2E		Lockheed	1 Pratt & Whitney J75-P-37A	1
U-2F		Lockheed	1 Pratt & Whitney J75-P-13	1
U-2G		Lockheed	1 Pratt & Whitney J75-P-13	1
U-2H		Lockheed	1 Pratt & Whitney J75-P-13	1
U-2R	Dragon Lady	Lockheed	1 Pratt & Whitney J75-P-13B	1	TR-1A
TU-2R		Lockheed	1 Pratt & Whitney J75-P-13B	2	TR-1B
U-2S	Dragon Lady	Lockheed	1 General Electric F118-GE-101	1
TU-2S		Lockheed	1 General Electric F118-GE-101
U-3A		Cessna	2 Continental O-470	2	L-27A
U-3B		Cessna	2 Continental O-470	2
U-4A	Commander	Aero Design	2 Lycoming O-540-B1A	2	YL-26A
U-4B	Commander	Aero Design	2 Lycoming O-480	2	L-26B
U-5A	Twin Courier	Helio	2 Lycoming O-540
U-5B	Twin Courier	Helio	2 Lycoming O-540
U-6A	Beaver	DeHavilland Canada	1 Pratt & Whitney R-985-AN-1/3 Wasp Junior	1	C-127, L-20A
RU-6A	Beaver	DeHavilland Canada	1 Pratt & Whitney R-985 Wasp Junior
TU-6A	Beaver	DeHavilland Canada	1 Pratt & Whitney R-985 Wasp Junior
U-7		Piper	1 Lycoming O-290	2	YL-21
U-7A		Piper	1 Lycoming O-290	2	L-21B
U-8A	Seminole	Beech	2 Lycoming O-435-17	2	L-23A
U-8B	Seminole	Beech	2 Lycoming O-435-17	2	L-23B
XU-8C	Seminole	Beech	2 Lycoming O-435	2	XL-23C
U-8D	Seminole	Beech	2 Lycoming O-480-1	2	L-23D
RU-8D	Seminole	Beech	2 Lycoming O-480-1	2	RL-23D
U-8E	Seminole	Beech	2 Lycoming GO-480-G2D6	2	L-23E
U-8F	Seminole	Beech	2 Lycoming O-480-3	2	L-23F
VU-8F	Seminole	Beech	2 Lycoming O-480-3	2
U-8G	Seminole	Beech	2 Lycoming GO-480-CSC6	2
TU-8G	Seminole	Beech	2 Lycoming GO-480-CSC6	2	T-42A, cancelled
U-8H	Seminole	Beech	2	2
U-9B	Aero Commander	Aero Design	2 Lycoming O-435	2	YL-26
U-9C	Aero Commander	Aero Design	2 Lycoming O-480	2	L-26C
U-9D	Aero Commander	Aero Design	2 Lycoming O-540-B1A	2	L-26D
RU-9D	Aero Commander	Aero Design	2 Lycoming O-540-B1A	2	RL-26D
U-10A	Super Courier	Helio	1 Lycoming O-480	2	L-28A
U-10B	Super Courier	Helio	1 Lycoming O-480	2
U-10C	Super Courier	Helio	1 Lycoming O-540	2
U-10D	Super Courier	Helio	1 Lycoming O-480	2
U-11A	Aztec	Piper	2 Lycoming O-540		UO-1
HU-16A	Albatross	Grumman	2 Wright R-1820-76A Cyclone	4	SA-16A
HU-16B	Albatross	Grumman	2 Wright R-1820-76A/76B Cyclone	4	SA-16B
HU-16C	Albatross	Grumman	2 Wright R-1820-76A Cyclone	5	UF-1G
LU-16C	Albatross	Grumman	2 Wright R-1820-76A Cyclone	5	UF-1L
TU-16C	Albatross	Grumman	2 Wright R-1820-76A Cyclone	5	UF-1T
HU-16D	Albatross	Grumman	2 Wright R-1820-76A Cyclone	5	UF-2S
HU-16E	Albatross	Grumman	2 Wright R-1820-76A Cyclone	5	UF-2G
EU-16E	Albatross	Grumman	2 Wright R-1820-76A Cyclone		cancelled
U-17A	Skywagon	Cessna	1 Continental O-470	1
U-17B	Skywagon	Cessna	1 Continental O-520	1
U-17C	Skywagon	Cessna	1 Continental O-470	1
U-18A	Navion	North American	1 Continental O-470-7	2	L-17A
U-18B	Navion	Ryan	1 Continental O-470-7	2	L-17B
U-18C	Navion	Ryan	1 Continental O-470-7	2	L-17C
U-19A	Sentinel	Stinson	1 Lycoming O-435-1	2	L-5
U-19B	Sentinel	Stinson	1 Lycoming O-435-1	2	L-5G
U-20B		Cessna	1 Jacobs R-755	1	LC-126B
U-20C		Cessna	1 Jacobs R-755	1	LC-126C
U-21A	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700	2
EU-21A	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700
RU-21A	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700	2
RU-21B	Ute	Beech	2 Pratt & Whitney Canada PT6A-29
RU-21C	Ute	Beech	2 Pratt & Whitney Canada PT6A-29
U-21D	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700
RU-21D	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700
RU-21E	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700	4
U-21F	Ute	Beech	2 Pratt & Whitney Canada PT6A-28	2
U-21G	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700
RU-21G	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700
U-21H	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700	2
RU-21H	Ute	Beech	2 Pratt & Whitney Canada T74-CP-700	2
U-21J	Ute	Beech	2 Pratt & Whitney Canada PT6A-41	2
RU-21J	Ute	Beech	2 Pratt & Whitney Canada PT6A-41	2
YAU-22A		Beech	1 Continental O-520	2
YQU-22A		Beech	1 Continental O-520	2
QU-22B		Beech	1 Continental O-520	1
AU-23A	Peacemaker	Fairchild Hiller/Pilatus	1 Garrett AiResearch T76
AU-24A		Helio	1 Pratt & Whitney Canada PT6A-27
U-25	Huron	Beech			C-13
HU-25A	Guardian	Dassault-Breguet	2 Garrett F104	7
HU-25B	Guardian	Dassault-Breguet	2 Garrett F104
HU-25C	Guardian	Dassault-Breguet	2 Garrett F104
HU-25C+	Guardian	Dassault-Breguet	2 Garrett F104
HU-25D	Guardian	Dassault-Breguet	2 Garrett F104
U-26	Turbo Stationcar	Cessna	1 Continental O-520
U-27A		Cessna	1 Pratt & Whitney Canada PT6A-114	1
U-28A		Pilatus	1 Pratt & Whitney PT6A-67B	1-2
RU-38A	Twin Condor	Schweizer	2 Continental O-550	2
RU-38B	Twin Condor	Schweizer	2 Rolls-Royce Allison 250-B17F	3