Type Record · As of May 3, 2026
GRUMMAN G-73
Fixed Wing Multi Engine · P&W R1340 SERIES
Registered
13
Year Range
1946–1951
NTSB Events
5
Airworthiness Directives
5
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered GRUMMAN G-73 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- NV 38.5% 5
- ID 15.4% 2
- WI 7.7% 1
- OR 7.7% 1
- DE 7.7% 1
- TX 7.7% 1
- CA 7.7% 1
- NY 7.7% 1
By Decade of Manufacture
- 1940s 69.2% 9
- 1950s 23.1% 3
- Unknown 7.7% 1
02 / NTSB Records
Events involving GRUMMAN G-73 aircraft
5 event(s) on file. Showing the most recent 5.
-
Feb 16, 2002
N130FBParadise Island
NTSB Docket → -
Oct 1, 1997
N168WSFORT LAUDERDALE, Florida
NTSB Docket → -
Nov 27, 1987
N98BSOLIVER SPRINGS, Tennessee Fatal
NTSB Docket → -
Apr 24, 1985
N632SSST. CROIX Minor
NTSB Docket → -
Jul 31, 1977
N2950MONTGOMERY, Alabama Serious
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to GRUMMAN G-73
5 directive(s) on file. Showing the most recent 5.
-
Jul 16, 1999
Airworthiness Directives; Gulfstream Aerospace Model G-159 Series Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Gulfstream Aerospace Model G-159 series airplanes. This proposal would require revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This proposal…
-
Feb 18, 1998
Airworthiness Directives; Gulfstream Model G-159 Series Airplanes
This amendment adopts a new airworthiness directive (AD), applicable to all Gulfstream Model G-159 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of v…
-
Sep 16, 1997
Airworthiness Directives; Gulfstream Model G-159 Series Airplanes
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Gulfstream Model G-159 series airplanes. This proposal would require revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual…
-
Jan 21, 1997
Airworthiness Directives; Airtell International, Inc., Centaurus Model C3-100 Ground Proximity Warning System (GPWS), as Installed in Various Airplanes
This amendment adopts a new airworthiness directive (AD), applicable to all Airtell International, Inc., Centaurus Model C3-100 GPWS equipment that is installed on any type of airplane, that requires replacement of this equipment with a similar type of equipment that meets specific performance requirements. This amend…
-
Apr 26, 1996
Airworthiness Directives; Hartzell Propeller Inc. HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC-B4T, and HC-B5M Series Propellers
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Hartzell Propeller Inc. (Hartzell) HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC- B4T, and HC-B5M series propellers. This proposal would require hub replacement over a 10-year time period with a concurrent blade and blade clamp inspec…
06 / Supplemental Type Certificates
Modifications approved for GRUMMAN G-73
53 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.
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
-
09/09/2022
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
-
09/09/2022
STC SA4503NM (PAGE 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
-
05/18/2022
STC SA04776NY (2 OF2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
-
07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
06/04/2020
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
-
04/26/2018
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
West Coast Air Creations
-
03/13/2018
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
Richard Zeiler
-
12/20/2017
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
12/20/2017
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
Airwolf Filter Corporation
-
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
-
01/24/2017
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
12/16/2016
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
05/20/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
03/09/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Petersen Aviation Inc
-
11/10/2015
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
10/28/2015
STC SA01757WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
10/01/2015
STC SA39CH
Installation of amphibian landing gear position advisory system.
Wipaire Inc
-
06/04/2015
STC SA00478CH
Installation of Cooper Superflite 102 Fabric.
Aviation Products Systems Inc.
-
03/26/2013
STC SA00432SE (PG 3)
Installation of EGT 701 series fuel flow instrument.
J P Instruments
-
03/26/2013
STC SA00861SE (PG 3)
Installation of J.P. Instruments (JPI) fuel flow indicating system
J P Instruments
-
10/31/2012
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
Airwolf Filter Corporation
+ 23 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for GRUMMAN G-73
5 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
-#https://drs.faa.gov/browse/excelExternalWindow/67A52B3F930A8BD28625754C0077857F.0001##
Passenger Seat Installation
Frakes Aviation replaces -
PMA holder → -
-#https://drs.faa.gov/browse/excelExternalWindow/79B630249A720A2F8625754C007785A3.0001##
Outward Opening Bow Hatch
Frakes Aviation replaces -
PMA holder → -
-#https://drs.faa.gov/browse/excelExternalWindow/88B10B51A8AD5592862575470050EEEC.0001##
Fuel Drain Catch Can
Frakes Aviation replaces -
PMA holder → -
-#https://drs.faa.gov/browse/excelExternalWindow/9E8B9C7466CF53F8862575470050EE79.0001##
Hose Wheel Assembly
Frakes Aviation replaces -
PMA holder → -
-#https://drs.faa.gov/browse/excelExternalWindow/ACB270520A3A8526862575470050EEB3.0001##
Increase in gross weight and installation of United Aircraft of Canada Limited FT6A-27 or PT6A-34 engines in accordance with FAA sealed Frakes Aviation, Inc. Master Dwg. List FA 5000.
Frakes Aviation replaces -
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for GRUMMAN G-73
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 13 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.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N12YZ | ID | 1946 | · | Look up ↗ |
| N130FB | NV | 1947 | ● | Look up ↗ |
| N168WS | NV | 1946 | ● | Look up ↗ |
| N1888T | WI | 1947 | · | Look up ↗ |
| N188AC | ID | 1951 | · | Look up ↗ |
| N2945 | OR | 1946 | · | Look up ↗ |
| N2950 | NV | 1947 | ● | Look up ↗ |
| N54GZ | DE | 1950 | · | Look up ↗ |
| N611SS | NV | 1946 | · | Look up ↗ |
| N632SS | TX | — | ● | Look up ↗ |
| N7356 | NV | 1950 | · | Look up ↗ |
| N775WA | CA | 1947 | · | Look up ↗ |
| N98BS | NY | 1947 | ● | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
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 →