# NTSB MIA77FA018: Grum Amer AA-1B, N9954L, Dorado, PR, December 12, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 12, 1976
- Place: Dorado, PR · DORADO,PR, PR
- Location: 18.4690° N, 66.2711° W: Placed by OpenAirDocs: center of Dorado, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4690&lon=-66.2711&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report February 3, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152530
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77FA018
- Page: https://openairdocs.org/ntsb/MIA77FA018

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3768  76/12/12 NR.DORADO,PR          GRUM AMER AA-1B     CR-  1  1  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N9954L              PX-  0  0  0  DUAL                      AGE 28, 1936 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            806 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JUAN,PR                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        REMARKS- ACFT CRASHED WHILE MAKING LOW PASSES OVER DUAL  STUDENT'S RESIDENCE
```

## Aircraft

- Registration: [N9954L](https://openairdocs.org/deregistered/N9954L-1977-07-25), registration cancelled 1977-07-25, S/N 254, built 1973 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-1B
- Registry model: [American AA-1B](https://openairdocs.org/model/american-aa-1b) (registry code 0630820) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19761212042379A](https://openairdocs.org/incident/19761212042379A), Dec 12, 1976: Grumav AA1B, Dorado, Puerto Rico, Destroyed. Acft crashed while making low passes over dual student's residence

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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