# NTSB DEN78FA045: Boeing 737, N4518W, Cheyenne, WY, May 30, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 30, 1978
- Place: Cheyenne, WY · CHEYENNE, WY
- Location: 41.1400° N, 104.8202° W: Placed by OpenAirDocs: center of Cheyenne, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1400&lon=-104.8202&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 97 uninjured
- Status: Completed, report June 20, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142549
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FA045
- Page: https://openairdocs.org/ntsb/DEN78FA045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0005  78/5/30  NR.CHEYENNE,WY        BOEING 737          CR-  0  1  5  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1555                    N4518W              PX-  0  0 92                            48, 15000 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            8200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - WESTERN AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,CO                   CASPER,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PERSONNEL - FLIGHT PERSONNEL: FLIGHT ATTENDANT
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        FACTOR(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           WEATHER - DOWNDRAFT,UPDRAFTS
           WEATHER - THUNDERSTORM ACTIVITY
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         UNKNOWN/NOT REPORTED
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- FCST MOD TO SEVERE TURBC.F/A'S MAKING DRINKS FOR COCKPIT CREW.
```

## Aircraft

- Registration: [N4518W](https://openairdocs.org/deregistered/N4518W-1995-11-22), registration cancelled 1995-11-22, S/N 19615 (OpenAirDocs)
- Reported make and model: BOEING 737
- Registry model: [Boeing 737-247](https://openairdocs.org/model/boeing-737-247) (registry code 138448D) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Minor damage

## Other investigations on N4518W (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 LAX70IL042](https://openairdocs.org/ntsb/LAX70IL042), Jan 15, 1970: Boeing 737 (N4518W), Long Beach, CA, incident, no 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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