# NTSB ATL81FIA06: Hughes 269C, N7447F, Washington, DC, May 4, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 4, 1981
- Place: Washington, DC · WASHINGTON, DC
- Location: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8951&lon=-77.0364&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 21, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125753
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL81FIA06
- Page: https://openairdocs.org/ntsb/ATL81FIA06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1426   81/5/4    WASHINGTON,DC       HUGHES 269C         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 1800
        TIME - 1655                    N7447F              PX-  0  0  1  CORP/EXEC                 TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WASHINGTON,DC               BALTIMORE,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- M/R SHAFT RING GR CARRIER,P/N 269A5179-3,FAILED.FATIGUE CRACKS OUTER RACE SUPPORT RADIUS.
```

## Aircraft

- Registration: [N7447F](https://openairdocs.org/deregistered/N7447F-2013-02-21), registration cancelled 2013-02-21, S/N 560505, built 1976 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19810504022119A](https://openairdocs.org/incident/19810504022119A), May 4, 1981: Hughes 269C, District Of Col, DC, Substantial damage. Power failure occurred during cruise. Helicopter pilot made emergency landing in park, causing 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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