# NTSB FTW77FQG17: Hughes 269A, N9689F, Ozona, TX, March 28, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 28, 1977
- Place: Ozona, TX · OZONA, TX
- Location: 30.7074° N, 101.2061° W: Placed by OpenAirDocs: center of Ozona, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.7074&lon=-101.2061&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157671
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FQG17
- Page: https://openairdocs.org/ntsb/FTW77FQG17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0463  77/3/28    OZONA,TX            HUGHES 269A         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 34, 2048
        TIME - 1818                    N9689F              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 165 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OZONA,TX                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: POWER-ON DESCENT
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- WRENCH FOUND INSIDE TAIL BOOM IN AREA OF T/R DRIVE SHAFT FAILURE.
```

## Aircraft

- Registration: [N9689F](https://openairdocs.org/deregistered/N9689F-1988-10-07), registration cancelled 1988-10-07, S/N 820157 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9689F (1)

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.

- [NTSB CHI75FEK20](https://openairdocs.org/ntsb/CHI75FEK20), Jan 17, 1975: Hughes 269C (N9689F), Columbus, OH, 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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