# NTSB DEN80FQA05: Grum Amer AA-1C, N9529U, Albuquerque, NM, October 13, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 13, 1979
- Place: Albuquerque, NM · ALBUQUERQUE, NM
- Location: 35.0845° N, 106.6511° W: Placed by OpenAirDocs: center of Albuquerque, NM, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0845&lon=-106.6511&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 20, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133595
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FQA05
- Page: https://openairdocs.org/ntsb/DEN80FQA05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3003  79/10/13 NR.ALBUQUERQUE,NM     GRUM AMER AA-1C     CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0907                    N9529U              PX-  0  0  0  DUAL                      AGE 34, 2000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CORANADO
        DEPARTURE POINT             INTENDED DESTINATION
         ALBUQUERQUE,NM               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- 4 SPARK PLUGS FOUND LEAD FOULED AND 1 PLUG FOUND OIL FOULED.AC 72HRS FROM LAST 100HR INSPECTION.
```

## Aircraft

- Registration: [N9529U](https://openairdocs.org/deregistered/N9529U-2013-05-24), registration cancelled 2013-05-24, S/N AA1C0025, built 1977 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-1C
- Registry model: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Coranado

## 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 19791013032529A](https://openairdocs.org/incident/19791013032529A), Oct 13, 1979: Gulstm AA1C, Albuquerque, NM, Substantial damage. Engine failed on takeoff. Found badly fouled spark plugs.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.