# NTSB MIA740KT73: Grumman G-21A, N86640, Nassau, Burkina Faso, April 24, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 24, 1974
- Place: Nassau, Burkina Faso · NASSAU, Bahamas
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report June 27, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 170144
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA740KT73
- Page: https://openairdocs.org/ntsb/MIA740KT73

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0022  74/4/24    NASSAU,BAHAMAS      GRUMMAN G-21A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 54, 16125
        TIME - 1000                    N86640              PX-  0  0  6  AIR TAXI-PASSG            TOTAL HOURS, 8010 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - NASSAU INTL
        DEPARTURE POINT             INTENDED DESTINATION
          NASSAU,BAHAMAS              CISTERN CAY,BAHAMAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: FROM LANDING
        REMARKS- INVESTIGATION UNDER JURISDICTION OF THE GOVT OF BAHAMAS.
```

## Aircraft

- Registration: [N86640](https://openairdocs.org/deregistered/N86640-2013-09-17), registration cancelled 2013-09-17, S/N 1160, 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
- Airport: Nassau Intl

## 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 19740424013059A](https://openairdocs.org/incident/19740424013059A), Apr 24, 1974: Gruman G21A, Nassau, Substantial damage. Investigation under jurisdiction of the govt of Bahamas.

## Other investigations on N86640 (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 LAX90LA221](https://openairdocs.org/ntsb/LAX90LA221), Jun 16, 1990: Grumman G21A (N86640), Long Beach, CA, substantial damage. Probable cause: 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…

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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