Grumman HU-16
33 on the U.S. register across 6 versions the FAA records separately. Built from 1951 to 1959; half of them date from 1953 or earlier. Delaware has the most (6). 76% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the HU-16 from the FAA's model table
- Type
- Fixed-wing, multi-engine · Piston twins
- Power
- Piston (reciprocating), 2 engines
- Common engines
- Wright R-1820 Ser (21), Ama/Expr Unknown Eng (3), Wright R-1820-76D (2)
- Fuel
- 100LL avgas
- Seats
- 8 (up to 27 in some versions)
- Cruise speed
- about 168 mph
- Built of
- aluminium
- Maker on the register
- Grumman
- Registered
- earliest certificate January 13, 2004; newest August 18, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| LLC | 15 | 45% |
| Corporation | 9 | 27% |
| Individual | 6 | 18% |
| Co-owned | 2 | 6% |
| Partnership | 1 | 3% |
Versions as the FAA records them · click one to list only those aircraft
Registration status
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Restricted | 14 | 42% |
| Experimental | 14 | 42% |
| Standard | 2 | 6% |
| None on file | 2 | 6% |
| Special flight permit | 1 | 3% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Barron Aviation LLC | 3 |
| Trousdale Aviation LLC | 2 |
| Wpp Nautical LLC | 1 |
| Upper Limit LLC | 1 |
| Tri-State Warbird Museum | 1 |
| Tre Aviation CORP | 1 |
| Tactical Flight Ops LLC | 1 |
| Sky West Aviation INC Trustee | 1 |
| R P Air INC | 1 |
| N44Hq Flyingboats LLC | 1 |
| Morlock INC | 1 |
| Mayfield Aviation LLC | 1 |
Fleet pages: Barron Aviation LLC · Wpp Nautical LLC · Tri-State Warbird Museum · Tre Aviation CORP · Sky West Aviation INC Trustee
Accident history NTSB records · 4 cases since 1982, 2 fatal
The 4 most recent of 4 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Grumman HU-16 aircraft are registered in the U.S.?
33 as of November 12, 2026, counting 6 versions the FAA records separately.
Which state has the most Grumman HU-16s?
Delaware, with 6.
Who owns the Grumman HU-16?
76% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Grumman HU-16s on the register built?
Between 1951 and 1959; half of them in 1953 or earlier.
How many Grumman HU-16 accidents has the NTSB recorded?
4 accidents and incidents since 1982, 2 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Grumman HU-16 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Grumman HU-16 the component layer
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 5 type certificates. The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this model, most of them about instruments and avionics. Operators and repair shops have filed 1 failure report with the FAA since 1995, 1 of them in the last ten years: about 3.0 a year for every 100 aircraft on the register; the system most often named is engine. 14 approved modifications exist for it, the most by J P Instruments.
FAA orders 2 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Instruments and avionics | 2 | 100% |
Failure reports 1 since 1995 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 1 |
By system
Parts most often reported as the reports name them
Latest reports
Approved replacement parts 4 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: system ii (1), standard system (1), fabric (1), dope finish (1).
Approved modifications 14 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the HU-16 links to the rest of the register
- Grumman 443 aircraft on the register
- Grumman HU-16B 10 registered
- Grumman HU-16 9 registered
- Grumman HU 16E 7 registered
- Grumman HU-16C 4 registered
- Grumman HU 16A 2 registered
- Grumman HU-16D 1 registered
- Built of aluminium
- Wright R-1820 series 21 of these aircraft · 1475 hp
- Wright R-1820-76D 2 of these aircraft · 1425 hp
- Wright R-1820-80 1 of these aircraft · 1475 hp
- Wright C9HE series 1 of these aircraft · 1525 hp
- Wright R-1820-76B 1 of these aircraft · 1425 hp
- Delaware 6 of these aircraft
- California 5 of these aircraft
- Virginia 3 of these aircraft
- Missouri 3 of these aircraft
- Illinois 2 of these aircraft
- Barron Aviation LLC 3 of these aircraft
- Trousdale Aviation LLC 2 of these aircraft
- Wpp Nautical LLC 1 of these aircraft
- Upper Limit LLC 1 of these aircraft
- Tri-State Warbird Museum 1 of these aircraft
- NTSB accidents and incidents involving the HU-16 4 cases since 1982 · 2 fatal
- FAA orders naming the HU-16 2 airworthiness directives
- Failure reports filed on the HU-16 1 reports since 1995
- Approved modifications for the HU-16 14 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/grumman/hu-16.json.
Aircraft newest certificates first · 33
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N99TP | Grumman HU-16 |
Amphibian Aerospace Industries Defense INC Leesburg, Virginia |
Experimental | 2026-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N70133 | Grumman HU-16C |
Deeside Trading LLC Sparks, Nevada |
Restricted | 2026-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N10019 | Grumman HU-16B |
Wpp Nautical LLC Helena, Montana |
Experimental | 2026-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N868KG | Grumman HU 16E |
Amphibian Aerospace Industries INC Leesburg, Virginia |
Restricted | 2026-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N43GL | Grumman HU 16A |
Trousdale Aviation LLC West Hollywood, California |
None on file | 2025-11-12 | ValidFAA registration status code V: Valid registration. All codes |
| N888AC | Grumman HU-16 |
Withheld at owner's request | Restricted | 2024-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N1954Z | Grumman HU-16C |
Mayfield Aviation LLC Salem, Utah |
Experimental | 2024-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N85303 | Grumman HU-16B |
Duckbutt LLC Castle Rock, Colorado |
Experimental | 2024-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7026C | Grumman HU-16 |
Tri-State Warbird Museum Batavia, Ohio |
Experimental | 2024-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N116AG | Grumman HU-16C |
R P Air INC Mendota Heights, Minnesota |
Restricted | 2024-01-08 | ValidFAA registration status code V: Valid registration. All codes |
| N44HQ | Grumman HU-16B |
N44Hq Flyingboats LLC Anchorage, Alaska |
Experimental | 2023-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N211MC | Grumman HU-16B |
Individual owner Illinois |
Restricted | 2023-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N216HU | Grumman HU-16 |
Individual owner Arizona |
Experimental | 2023-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N115FB | Grumman HU 16E |
Freeman Jet LLC Cape Coral, Florida |
Special flight permit | 2023-03-21 | ValidFAA registration status code V: Valid registration. All codes |
| N226GR | Grumman HU 16E |
Individual owner Virginia |
Experimental | 2022-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N98TP | Grumman HU-16B |
Trousdale Aviation LLC Wilmington, Delaware |
Experimental | 2021-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N7025N | Grumman HU-16 |
Bussted LLC Wilmington, Delaware |
Experimental | 2021-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7025J | Grumman HU-16 |
Sky West Aviation INC Trustee Albuquerque, New Mexico |
Experimental | 2021-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N43155 | Grumman HU-16 |
Tactical Flight Ops LLC Camarillo, California |
Restricted | 2021-02-09 | ValidFAA registration status code V: Valid registration. All codes |
| N226CG | Grumman HU-16B |
Morlock INC Lewes, Delaware |
Restricted | 2020-04-09 | Renewal notice sentFAA registration status code 25: First notice for registration renewal. All codes |
| N866HA | Grumman HU-16B |
Individual owner Texas |
Experimental | 2019-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N3HU | Grumman HU 16A |
Individual owner Illinois |
Restricted | 2017-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N416C | Grumman HU-16C |
Hunt Lynn C Windsor, California |
Experimental | 2017-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N113FB | Grumman HU 16E |
Barron Aviation LLC Perry, Missouri |
Standard | 2017-02-13 | ValidFAA registration status code V: Valid registration. All codes |
| N125FB | Grumman HU 16E |
Barron Aviation LLC Perry, Missouri |
Standard | 2017-01-19 | ValidFAA registration status code V: Valid registration. All codes |
| N122FB | Grumman HU 16E |
Barron Aviation LLC Perry, Missouri |
Experimental | 2017-01-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8497J | Grumman HU-16B |
E-Commerce Education Foundation Tulsa, Oklahoma |
Restricted | 2009-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N4796U | Grumman HU-16 |
Tre Aviation CORP Wilmington, Delaware |
None on file | 2008-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7927 | Grumman HU-16 |
Adventures Albatross INC Dover, Delaware |
Restricted | 2008-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N7024S | Grumman HU-16B |
Co-owned owner California |
Restricted | 2006-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N29853 | Grumman HU 16E |
Flight Management Resources LLC Wilmington, Delaware |
Restricted | 2006-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N20861 | Grumman HU-16D |
Upper Limit LLC Big Lake, Alaska |
Restricted | 2004-01-13 | ValidFAA registration status code V: Valid registration. All codes |
| N10GN | Grumman HU-16B |
Individual owner California |
Restricted | PendingFAA registration status code R: Registration pending. All codes |