# NTSB FTW77FPJ04: Grum Amer AA1, N5732L, Oklahoma City, OK, December 4, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 4, 1976
- Place: Oklahoma City, OK · OKLAHOMA CITY, OK
- Location: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4676&lon=-97.5164&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report February 2, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156765
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FPJ04
- Page: https://openairdocs.org/ntsb/FTW77FPJ04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3750   76/12/4   OKLAHOMA CITY,OK    GRUM AMER AA1       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 51, 336
        TIME - 1530                    N5732L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EXPRESSWAY JUNCTN
        DEPARTURE POINT             INTENDED DESTINATION
          OKLAHOMA CITY,OK            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N5732L](https://openairdocs.org/deregistered/N5732L-1977-07-12), registration cancelled 1977-07-12, S/N AA1-0132 (OpenAirDocs)
- Reported make and model: GRUM AMER AA1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Expressway Junctn

## 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 19761204039989A](https://openairdocs.org/incident/19761204039989A), Dec 4, 1976: Grumav AA1, Oklahoma City, OK, Substantial damage

## Other investigations on N5732L (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 FTW72DPD02](https://openairdocs.org/ntsb/FTW72DPD02), Jul 7, 1971: Amer Avco AA1 (N5732L), Muenster, TX, 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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