# NTSB FTW76FPM27: Amer Avco AA1-B, N8956L, Jenks, OK, June 28, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 28, 1976
- Place: Jenks, OK · JENKS, OK
- Location: 35.9982° N, 95.9734° W: Placed by OpenAirDocs: center of Jenks, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.9982&lon=-95.9734&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 29, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153934
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW76FPM27
- Page: https://openairdocs.org/ntsb/FTW76FPM27-153934

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1481  76/6/28    JENKS,OK            AMER AVCO AA1-B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 85 TOTAL
        TIME - 1833                    N8956L              PX-  0  0  0  PRACTICE                  HOURS, 65 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - RIVERSIDE
        DEPARTURE POINT             INTENDED DESTINATION
          JENKS,OK                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL: MUSH                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - HIGH DENSITY ALTITUDE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      94
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          170                                                       14
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- MISUSED MIXT CTL. DENSITY ALT ABT 3100FT.
```

## Aircraft

- Registration: [N8956L](https://openairdocs.org/deregistered/N8956L-1977-11-18), registration cancelled 1977-11-18, S/N AA1B-0406 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Riverside

## 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 19760628017039A](https://openairdocs.org/incident/19760628017039A), Jun 28, 1976: Grumav AA1B, Jenks, OK, Substantial damage. Misused mixt ctl. Density alt abt 3100FT.

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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