# NTSB FTW77FPM18: Hughes 269A, N8716F, Council Hill, OK, August 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 21, 1977
- Place: Council Hill, OK · COUNCIL HILL, OK
- Location: 35.5558° N, 95.6525° W: Placed by OpenAirDocs: center of Council Hill, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5558&lon=-95.6525&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 22, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146085
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FPM18
- Page: https://openairdocs.org/ntsb/FTW77FPM18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1877  77/8/21    COUNCIL HILL,OK     HUGHES 269A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1630                    N8716F              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 34, 2276 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            630 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHECOTAH,OK                 HASKELL,OK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: RETURN TO STRIP
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO LUB FOUND IN FORWARD BEARING OF IDLER PULLEY. LOW RPM RESULTED IN HARD LANDING.
```

## Aircraft

- Registration: [N8716F](https://openairdocs.org/deregistered/N8716F-1989-02-17), registration cancelled 1989-02-17, S/N 1110029 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (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 19770821024989A](https://openairdocs.org/incident/19770821024989A), Aug 21, 1977: Hughes 269A, Council Hill, OK, Substantial damage. No lub found in forward bearing of idler pulley. Low RPM resulted in hard landing.

## Other investigations on N8716F (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 NYC72FFJ10](https://openairdocs.org/ntsb/NYC72FFJ10), Aug 5, 1971: Hughes 269A (N8716F), Gainesville, NY, 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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