# NTSB DEN80FTC20: Hughes 269C, N7412F, Edgerton, WY, August 3, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 3, 1980
- Place: Edgerton, WY · EDGERTON, WY
- Location: 43.4141° N, 106.2478° W: Placed by OpenAirDocs: center of Edgerton, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4141&lon=-106.2478&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 2, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129593
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FTC20
- Page: https://openairdocs.org/ntsb/DEN80FTC20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1978   80/8/3  NR.EDGERTON,WY        HUGHES 269C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 549
        TIME - 0730                    N7412F              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 201 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         EDGERTON,WY                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR PULLEYS,BELTS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - OTHER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
                                  UNUSUAL NOISE
        REMARKS- IDLER PULLEY BTN TRANS & ENG DRIVE SHAFT,P/N S447,FAILED.ROLLING HILLY AREA W 10DEG SLOPE.
```

## Aircraft

- Registration: [N7412F](https://openairdocs.org/deregistered/N7412F-1989-10-06), registration cancelled 1989-10-06, S/N 1050446 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (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 19800803032859A](https://openairdocs.org/incident/19800803032859A), Aug 3, 1980: Hughes 269C, Edgerton, WY, Substantial damage. Heard noise in aircraft. Made hard autorotation precautionary landing. Source of noise not determined.

## Other investigations on N7412F (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 MKC83LA187](https://openairdocs.org/ntsb/MKC83LA187), Aug 12, 1983: Hughes 269C (N7412F), Dodge City, KS, 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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