Grumman HU-16 Albatross

The Grumman HU-16 Albatross is a large twin radial engine amphibious seaplane that was used by the United States Air Force, the U.S. Navy and the U.S. Coast Guard, primarily as a search and rescue aircraft.

Originally designated as the SA-16 for the USAF and the JR2F-1 and UF-1 for the USN and USCG, it was redesignated as the HU-16 in 1962.



Prototype designation, two built.

HU-16A (originally SA-16A) 

USAF version

HU-16A (originally UF-1) 

Indonesian version

HU-16B (originally SA-16B) 

USAF version (modified with long wing)

SHU-16B (modified HU-16B for Anti-Submarine Warfare) 

Export version

HU-16C (originally UF-1) 

US Navy version

LU-16C (originally UF-1L) 

US Navy version

TU-16C (originally UF-1T) 

US Navy version

HU-16D (originally UF-1) 

US Navy version (modified with long wing)

HU-16D (originally UF-2)

  German version (built with long wing)

HU-16E (originally UF-2G) 

US Coast Guard version (modified with long wing)

HU-16E (originally SA-16A) 

USAF version (modified with long wing)

G-111 (originally SA-16A) 

derived from USAF, JASDF, and German originals


RCAF version.





10 passengers


62 ft 10 in (19.15 m)


96 ft 8 in (29.46 m)


25 ft 10 in (7.87 m)

Wing area

1,035 sq ft (96.2 m2)


NACA 23017

Empty weight

22,883 lb (10,380 kg)

Gross weight

30,353 lb (13,768 kg)

Max take-off weight

37,500 lb (17,010 kg)

Fuel capacity

675 US gal (562.1 imp gal; 2,555.2 l) internal fuel + 400 US gal (333.1 imp gal; 1,514.2 l) in wingtip floats + two 300 US gal (249.8 imp gal; 1,135.6 l) drop tanks


2 × Wright R-1820-76A Cyclone 9 9-cylinder air-cooled radial piston engines, 1,425 hp (1,063 kW) each for take-off

1,275 hp (951 kW) normal rating from sea level to 3,000 ft (914 m)


3-bladed Hamilton Standard constant-speed fully-feathering reversible-pitch propellers


Maximum speed

236 mph (380 km/h, 205 kn)

Cruise speed

124 mph (200 km/h, 108 kn)

Stall speed

74 mph (119 km/h, 64 kn)


2,850 mi (4,590 km, 2,480 nmi)

Service ceiling

21,500 ft (6,600 m)

Rate of climb

1,450 ft/min (7.4 m/s).





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