# NTSB DEN69D0140: Cessna 172, N1638F, Gillette, WY, October 7, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 7, 1968
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 2, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 107406
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN69D0140
- Page: https://openairdocs.org/ntsb/DEN69D0140

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3847   68/10/7   GILLETTE,WYO        CESSNA 172          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0800                    N1638F              PX-  0  0  1  AIR TAXI-PASSG            AGE 27, 1108 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            30 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CAMPBELL COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           MISCELLANEOUS                                            LANDING: ROLL
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           POWERPLANT - LUBRICATING SYSTEM: VALVES
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- OIL DRAIN VALVE UNSEATED AFTER ENG START.RCMD AID INSP NCW. TYPE ACCIDENT ON LDG NOT REPORTED.
```

## Aircraft

- Registration: [N1638F](https://openairdocs.org/aircraft/N1638F), registered now, S/N 17255033 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172H](https://openairdocs.org/model/cessna-172h) (registry code 2072424) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Campbell County

## Other investigations on N1638F (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 MKC74DCG34](https://openairdocs.org/ntsb/MKC74DCG34), May 4, 1974: Cessna 172 (N1638F), Horton, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.