Type Record · As of May 3, 2026
GRUMMAN HU-16C
Fixed Wing Multi Engine · WRIGHT R-1820 SER
Registered
4
Year Range
1954–1955
NTSB Events
0
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered GRUMMAN HU-16C aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- MN 25.0% 1
- UT 25.0% 1
- CA 25.0% 1
- NV 25.0% 1
By Decade of Manufacture
- 1950s 50.0% 2
- Unknown 50.0% 2
02 / NTSB Records
Events involving GRUMMAN HU-16C aircraft
No NTSB-recorded events match GRUMMAN HU-16C in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to GRUMMAN HU-16C
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for GRUMMAN HU-16C
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 2 matches in the FAA catalog.
- A33SO Historical Rev 11 · 11/20/2024
Amphibian Aerospace Industries Inc.
Models: HU-16C (UF-1; UF-1G), HU-16A, HU-16D (UF-2), HU-16E (UF-2G) + 4 more
- A23NM Current Rev 4 · 09/10/1998
Buehn Dennis G.
Models: SA-16A (UF-1), HU-16C (UF-1), TC-16C (UF-1T)
06 / Supplemental Type Certificates
Modifications approved for GRUMMAN HU-16C
11 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
10/23/2024
STC SA39CH
Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System
Wipaire Inc.
-
07/10/2017
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
04/12/2017
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
02/16/2017
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
01/25/2017
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
12/16/2016
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
11/10/2015
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
10/01/2015
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
04/12/2013
STC SA00861SE
Installation of J.P. Instruments (JPI) fuel flow indicating system
J P Instruments
-
04/12/2013
STC SA00432SE (PG 4)
Installation of EGT 701 series fuel flow instrument.
J P Instruments
-
06/29/2011
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for GRUMMAN HU-16C
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 4 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →