# NTSB investigations: Grumman G-21A

A list on [Grumman G-21A](https://openairdocs.org/model/grumman-g-21a.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 76 investigations

- [NTSB WPR14FA231](https://openairdocs.org/ntsb/WPR14FA231.md): Grumman G 21A · Sula, MT · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2014 · N888GG · Destroyed
  > The pilot's decision to continue flight into deteriorating weather conditions in an airplane not maintained for instrument flight, which resulted in a loss of control due to spatial disorientation.
- [NTSB ANC08FA050](https://openairdocs.org/ntsb/ANC08FA050.md): Grumman G-21A · Unalaska, AK · Accident · Serious injuries · Field investigation · Final report · Apr 10, 2008 · N741 · Substantial damage
  > The pilot's failure to maintain clearance from a truck while landing, and the vehicle operator's decision to ignore runway warning signals. Contributing to the accident was an inoperative vehicle gate system and the failure of airport management to adequately…
- [NTSB MIA08LA048](https://openairdocs.org/ntsb/MIA08LA048.md): Grumman G-21A · Marathon, FL · Accident · Serious injuries · Limited investigation · Final report · Jan 29, 2008 · N21A · Substantial damage
  > The pilot’s failure to maintain control of the airplane during a water landing.
- [NTSB ANC07CA053](https://openairdocs.org/ntsb/ANC07CA053.md): Grumman G21A · Dutch Harbor, AK · Accident · No injuries · Data collection · Final report · Jun 24, 2007 · N7811 · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the takeoff roll, which resulted in a loss of directional control and a nose over.
- [NTSB IAD05LA038](https://openairdocs.org/ntsb/IAD05LA038.md): Grumman G-21A · Penn Yan, NY · Accident · Minor injuries · Limited investigation · Final report · Feb 15, 2005 · N327 · Destroyed
  > The flight instructor's inadequate planning/decision and his remedial action to conduct or recover from a simulated emergency procedure.
- [NTSB ANC04LA038](https://openairdocs.org/ntsb/ANC04LA038.md): Grumman G21 · Unalaska, AK · Accident · No injuries · Limited investigation · Final report · Apr 5, 2004 · N22932 · Substantial damage
  > The inadvertent ground loop/swerve by the second pilot during the landing roll, and the first (check) pilot's inadequate supervision of the second pilot, which resulted in a loss of control and substantial damage to the airplane. Factors associated with the…
- [NTSB ANC02LA052](https://openairdocs.org/ntsb/ANC02LA052.md): Grumman G-21 · Northway, AK · Accident · No injuries · Limited investigation · Final report · Jun 17, 2002 · N21A · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the landing roll, which resulted in an inadvertent ground loop/swerve. A factor associated with the accident was a crosswind.
- [NTSB MIA99FA114](https://openairdocs.org/ntsb/MIA99FA114.md): Grumman G-21A · Lauderdale Lake, FL · Accident · 1 fatal · Field investigation · Final report · Mar 25, 1999 · N5548A · Destroyed
  > The pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete the engine shutdown procedure once it was initiated…
- [NTSB ANC98LA038](https://openairdocs.org/ntsb/ANC98LA038.md): Grumman G-21 · Dutch Harbor, AK · Accident · No injuries · Limited investigation · Final report · Apr 15, 1998 · N22932 · Substantial damage
  > The pilot-in-command's failure to identify the swells prior to landing. A factor was the water swells.
- [NTSB SEA94LA192](https://openairdocs.org/ntsb/SEA94LA192.md): Grumman G-21A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1994 · N327 · Substantial damage
  > The pilot-in-command's failure to maintain directional control during landing.
- [NTSB ANC94GA041](https://openairdocs.org/ntsb/ANC94GA041.md): Grumman G21A · Mt. Fairweather, Canada · Accident · Minor injuries · Final report · Mar 21, 1994 · N741 · Substantial damage
  > The pilot's improper decision in attempting to outclimb the rising terrain with the existing airplane climb performance. Factors which contributed to the accident were: the pilot's inadequate preflight of the airplane, the over maximum gross weight of the…
- [NTSB ANC93IA026](https://openairdocs.org/ntsb/ANC93IA026.md): Grumman G-21A · Akutan, AK · Incident · No injuries · Incident investigation · Final report · Jan 7, 1993 · N22932 · Minor damage
  > The incident was caused by the pilots improper compensation for the winds. Factors were the microburst, the rough water, and the pilot's inadequate evaluation of the weather conditions.
- [NTSB MIA93WA028](https://openairdocs.org/ntsb/MIA93WA028.md): Grumman G-21A · West Caicos Isl, Turks & Caicos Islands · Accident · No injuries · Foreign investigation · Dec 15, 1992 · N3116T · Substantial damage
- [NTSB SEA91LA086](https://openairdocs.org/ntsb/SEA91LA086.md): Grumman G-21A · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1991 · N9750Z · Substantial damage
  > The pilot-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.
- [NTSB ANC90LA102](https://openairdocs.org/ntsb/ANC90LA102.md): Grumman G21 · King Salmon, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1990 · N7811 · Substantial damage
  > The pilot failed to adequately compensate for the prevailing wind conditions and his failure to maintain directional control. A contributing factor was the strong crosswind component.
- [NTSB LAX90LA221](https://openairdocs.org/ntsb/LAX90LA221.md): Grumman G21A · Long Beach, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1990 · N86640 · Substantial damage
  > The pilot's failure to retract the landing gear resulting in an inadvertent wheels-down landing in water. In addition, a loss of elevator control was encountered due to a stress corrosion failure of an elevator control cable turnbuckle as a result of…
- [NTSB FTW87LA162](https://openairdocs.org/ntsb/FTW87LA162.md): Grumman G-21A · Big Spring, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1987 · N322 · Substantial damage
  > During flt, the plt noted that the left fuel tank was almost empty and the right tank had gained fuel. He immediately switched from the both position to the right tank and started to work the wobble pump. The fuel continued to drop in the left tank and the…
- [NTSB ANC82DA020](https://openairdocs.org/ntsb/ANC82DA020.md): Grumman G-21A · N Cape Yakataga, AK · Accident · No injuries · Final report · Feb 20, 1982 · N2845D · Substantial damage
  > Aircraft departed merrill field at 1110 with 220 gallons of fuel. Two hours later both engines quit while flying at an altitude of 6500 feet approximately 10 miles offshore. The crew was unable to restart the engines and the aircraft was ditched into 12 to 15…
- [NTSB ANC81FA017](https://openairdocs.org/ntsb/ANC81FA017.md): Grumman G-21A · Dutch Harbor, AK · Accident · 2 fatal · Closed · Jan 23, 1981 · N95468 · Destroyed
- [NTSB ANC80DA088](https://openairdocs.org/ntsb/ANC80DA088.md): Grumman G-21A · Karluk, AK · Accident · No injuries · Closed · Aug 21, 1980 · N3282 · Substantial damage
- [NTSB ANC80DA069](https://openairdocs.org/ntsb/ANC80DA069.md): Grumman G-21A · Juneau, AK · Accident · Serious injuries · Closed · Jul 20, 1980 · N9750Z · Substantial damage
- [NTSB ANC80DA037](https://openairdocs.org/ntsb/ANC80DA037.md): Grumman G-21 · Karluk, AK · Accident · No injuries · Closed · Mar 26, 1980 · N87U · Substantial damage
- [NTSB LAX79FA084](https://openairdocs.org/ntsb/LAX79FA084.md): Grumman G-21A · Avalon, CA · Accident · 1 fatal · Closed · Sep 17, 1979 · N22932 · Substantial damage
- [NTSB LAX79FA040](https://openairdocs.org/ntsb/LAX79FA040.md): Grumman G-21A · Catalina Is, CA · Accident · 1 fatal · Closed · Apr 14, 1979 · N11CS · Destroyed
- [NTSB ANC79DAG24](https://openairdocs.org/ntsb/ANC79DAG24.md): Grumman G-21A · Akutan Bay, AK · Accident · No injuries · Closed · Nov 11, 1978 · N95467 · Substantial damage
- [NTSB MIA79FA011](https://openairdocs.org/ntsb/MIA79FA011.md): Grumman G21A · St Croix, VI · Accident · No injuries · Closed · Nov 5, 1978 · N74676 · Substantial damage
- [NTSB ANC78FA067](https://openairdocs.org/ntsb/ANC78FA067.md): Grumman G-21A · Laboucher Bay · Accident · 12 fatal · Closed · Aug 25, 1978 · N1045 · Destroyed
- [NTSB MIA78FA093](https://openairdocs.org/ntsb/MIA78FA093.md): Grumman G21A · St.Thomas, VI · Accident · No injuries · Closed · Jun 4, 1978 · N323 · Substantial damage
- [NTSB ANC78DA038](https://openairdocs.org/ntsb/ANC78DA038.md): Grumman G-21A · Port Moller, AK · Accident · Minor injuries · Closed · May 12, 1978 · N1042 · Destroyed
- [NTSB MIA78FKT20](https://openairdocs.org/ntsb/MIA78FKT20.md): Grumman G-21 · Miami Lakes, FL · Accident · Serious injuries · Closed · Dec 13, 1977 · N23DF · Destroyed
- [NTSB LAX77FUA17](https://openairdocs.org/ntsb/LAX77FUA17.md): Grumman G-21A · Catalina, CA · Accident · No injuries · Closed · Jun 10, 1977 · N11CS · Substantial damage
- [NTSB LAX76IL081](https://openairdocs.org/ntsb/LAX76IL081.md): Grumman G-21A · Long Beach, CA · Incident · No injuries · Closed · May 28, 1976 · N93G · Minor damage
- [NTSB LAX76AL068](https://openairdocs.org/ntsb/LAX76AL068.md): Grumman G-21A · Avalon, CA · Accident · No injuries · Closed · Apr 10, 1976 · N18CS · Destroyed
- [NTSB MIA76AM066](https://openairdocs.org/ntsb/MIA76AM066.md): Grumman G-21A · St Croix, VI · Accident · 5 fatal · Closed · Feb 21, 1976 · N4772C · Destroyed
- [NTSB LAX76IL006](https://openairdocs.org/ntsb/LAX76IL006.md): Grumman G-21 · Long Beach, CA · Accident · No injuries · Closed · Jul 30, 1975 · N324 · Substantial damage
- [NTSB ANC75AA045](https://openairdocs.org/ntsb/ANC75AA045.md): Grumman G-21 · Missing Aircraft · Accident · 5 fatal · Closed · Dec 11, 1974 · N1583V · Destroyed
- [NTSB MKC75FCQ20](https://openairdocs.org/ntsb/MKC75FCQ20.md): Grumman G-21 · Wichita, KS · Accident · Minor injuries · Closed · Oct 9, 1974 · N75333 · Substantial damage
- [NTSB MIA74AM091](https://openairdocs.org/ntsb/MIA74AM091.md): Grumman G-21A · St Thomas, VI · Accident · Minor injuries · Closed · May 7, 1974 · N1048V · Substantial damage
- [NTSB MIA740KT73](https://openairdocs.org/ntsb/MIA740KT73.md): Grumman G-21A · Nassau, Burkina Faso · Accident · No injuries · Closed · Apr 24, 1974 · N86640 · Substantial damage
- [NTSB MIA74AM031](https://openairdocs.org/ntsb/MIA74AM031.md): Grumman G-21A · Christiansted, PR · Accident · No injuries · Closed · Oct 13, 1973 · N4772C · Substantial damage
- [NTSB ANC74AA012](https://openairdocs.org/ntsb/ANC74AA012.md): Grumman G-21A · Kodiak, AK · Accident · No injuries · Closed · Jul 28, 1973 · N2845D · Substantial damage
- [NTSB MIA73AM075](https://openairdocs.org/ntsb/MIA73AM075.md): Grumman G-21A · Fredericksted (Atlantic Ocean) · Accident · No injuries · Closed · Jan 12, 1973 · N8777A · Substantial damage
- [NTSB LAX72AL071](https://openairdocs.org/ntsb/LAX72AL071.md): Grumman G-21 · Long Beach, CA · Accident · Minor injuries · Closed · Dec 12, 1971 · N11CS · Substantial damage
- [NTSB MIA72IM024](https://openairdocs.org/ntsb/MIA72IM024.md): Grumman G-21A · St.Croix, VI · Incident · No injuries · Closed · Sep 4, 1971 · N4762C · No damage
- [NTSB NYC72AN016](https://openairdocs.org/ntsb/NYC72AN016.md): Grumman G-21A · Greenville, ME · Accident · 1 fatal · Closed · Jul 30, 1971 · N101LH · Destroyed
- [NTSB LAX72AL009](https://openairdocs.org/ntsb/LAX72AL009.md): Grumman G-21A · Avalon, CA · Accident · No injuries · Closed · Jul 30, 1971 · N11CS · 2 aircraft · Substantial damage
- [NTSB LAX72AL009](https://openairdocs.org/ntsb/LAX72AL009.md): Grumman G-21A · Avalon, CA · Accident · No injuries · Closed · Jul 30, 1971 · N13CS · 2 aircraft · Substantial damage
- [NTSB MIA71AM114](https://openairdocs.org/ntsb/MIA71AM114.md): Grumman G-21A · Culebra Island, PR · Accident · 2 fatal · Closed · Jun 18, 1971 · N703A · Destroyed
- [NTSB MIA71OM109](https://openairdocs.org/ntsb/MIA71OM109.md): Grumman G-21A · Fish Cay, Burkina Faso · Accident · No injuries · Closed · Jun 6, 1971 · N1621A · Substantial damage
- [NTSB MIA71AM100](https://openairdocs.org/ntsb/MIA71AM100.md): Grumman G-21A · Charlotte Amal, VI · Accident · Minor injuries · Closed · May 23, 1971 · N8777A · Substantial damage

Next page: https://openairdocs.org/model/grumman-g-21a/ntsb.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('3951204')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/grumman-g-21a/ntsb

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