# NTSB DEN81FTC25: Beech H18S, N919X, Gillette, WY, September 27, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 27, 1981
- Place: Gillette, WY · GILLETTE, WY
- Location: 44.2726° N, 105.4989° W: Placed by OpenAirDocs: center of Gillette, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.2726&lon=-105.4989&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 6 uninjured
- Status: Completed, report December 31, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 122881
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTC25
- Page: https://openairdocs.org/ntsb/DEN81FTC25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2946  81/9/27    GILLETTE,WY         BEECH H18S          CR-  0  0  2  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 2045                    N919X               PX-  0  0  6  PLEASURE/PERSONAL TRANSP  32, 6000 TOTAL HOURS, 50
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GILLETTE CAMPBELL
        DEPARTURE POINT             INTENDED DESTINATION
          GILLETTE,WY                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: OTHER
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 5 EXH VALVE 0.250 CLEARANCE,ALL OTHERS NORMAL AT APRX 0.010. NR 5 EXH VALVE SPRING BROKEN.
```

## Aircraft

- Registration: [N919X](https://openairdocs.org/deregistered/N919X-2013-05-22), registration cancelled 2013-05-22, S/N BA-657, built 1963 (OpenAirDocs)
- Reported make and model: BEECH H18S
- Registry model: [Beech H-18](https://openairdocs.org/model/beech-h-18) (registry code 1151012) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Gillette Campbell

## 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 19810927063479A](https://openairdocs.org/incident/19810927063479A), Sep 27, 1981: Beech 18S, Gillette, WY, Substantial damage. After takeoff right engine lost power and pilot made emergency landing after he determined aircraft would not climb

## Other investigations on N919X (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 UNK65X0979](https://openairdocs.org/ntsb/UNK65X0979), Dec 11, 1964: Beechcraft H18 (N919X), Worcester, MA, 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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