# NTSB MIA73AM075: Grumman G-21A, N8777A, Fredericksted, VI (Atlantic Ocean), January 12, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 12, 1973
- Place: Fredericksted, VI (Atlantic Ocean) · FREDERICKSTED,VI, AO
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report April 6, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169666
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73AM075
- Page: https://openairdocs.org/ntsb/MIA73AM075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0350  73/1/12  NR.FREDERICKSTED,VI   GRUMMAN G-21A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 10096
        TIME - 1316                    N8777A              PX-  0  0  4  COMMUTER AIR CARRIER      TOTAL HOURS, 1158 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST.CROIX,VI                 FAJARDO,PR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           MISCELLANEOUS ACTS,CONDITIONS - FAILURE OF TWO OR MORE ENGINES
           TERRAIN - ROUGH WATER
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
           MISCELLANEOUS ACTS,CONDITIONS - ERRATIC
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- L FUEL SUMP VALVE NOT OPENED AND SAFETIED.PREVENTED USE OF L TANK FUEL.R GAUGE INOP.DIDNT CK FUEL.
```

## Aircraft

- Registration: [N8777A](https://openairdocs.org/deregistered/N8777A-2017-02-04), registration cancelled 2017-02-04, S/N 1152, built 1942 (OpenAirDocs)
- Reported make and model: GRUMMAN G-21A
- Registry model: [Grumman G-21A](https://openairdocs.org/model/grumman-g-21a) (registry code 3951204) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730112000869A](https://openairdocs.org/incident/19730112000869A), Jan 12, 1973: Gruman G21A, Fredericksted, U.S. Virgin Islands, Substantial damage. L fuel sump valve not opened and safetied. Prevented use of l tank fuel.r gauge inop. Didnt ck fuel.

## Other investigations on N8777A (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB MIA71AM100](https://openairdocs.org/ntsb/MIA71AM100), May 23, 1971: Grumman G-21A (N8777A), Charlotte Amal, VI, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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