# NTSB FTW76FRD48: Robertson B8M, N31170, Dequincy, LA, May 15, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 15, 1976
- Place: Dequincy, LA · DEQUINCY, LA
- Location: 30.4490° N, 93.4457° W: Placed by OpenAirDocs: center of DeQuincy, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.4490&lon=-93.4457&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 28, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153867
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW76FRD48
- Page: https://openairdocs.org/ntsb/FTW76FRD48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1182  76/5/15    DEQUINCY,LA         ROBERTSON B8M       CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 55, 612
        TIME - 1900                    N31170              PX-  0  0  0  TEST                      TOTAL HOURS, 12 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DEQUINCY
        DEPARTURE POINT             INTENDED DESTINATION
          DEQUINCY,LA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - SCORED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG QUIT ON DOWNWIND LEG. LOST ROTOR RPM AVOIDING TALL TREES.
```

## Aircraft

- Registration: [N31170](https://openairdocs.org/deregistered/N31170-1979-10-16), registration cancelled 1979-10-16, S/N 2, built 1976 (OpenAirDocs)
- Reported make and model: ROBERTSON B8M
- Registry model: [Robertson B-8M GYROCOPTER](https://openairdocs.org/model/robertson-b-8m-gyrocopter) (registry code 13021B9) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Dequincy

## 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 19760515012749A](https://openairdocs.org/incident/19760515012749A), May 15, 1976: Amtr 13021B9, Dequincy, LA, Substantial damage. Eng quit on downwind leg. Lost rotor RPM avoiding tall trees.

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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