- Date
- June 29, 1973
- Place
- W.Yellowstne, MT · W.YELLOWSTNE, MT
- Injuries
- 1 serious, 2 minor, 36 uninjured
- Damage
- No damage
- Phase of flight
- Enroute
- Aircraft
- N4508WBoeing 737
- Status
- Completed · report August 23, 1973
- Report
- Brief approved by the director
- Case key
- 169496
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 1-0016 73/6/29 NR.W.YELLOWSTNE,MONT BOEING 737 CR- 0 1 4 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 1607 N4508W PX- 0 0 34 38, 7810 TOTAL HOURS, 710 DAMAGE-NONE OT- 0 0 0 IN TYPE, INSTRUMENT RATED. OPERATOR - WESTERN AIR LINES,INC. DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP GREAT FALLS,MONT SALT LAKE CITY,UT W.YELLOWSTNE,MONT TYPE OF ACCIDENT PHASE OF OPERATION TURBULENCE IN FLIGHT: NORMAL CRUISE PROBABLE CAUSE(S) WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS PERSONNEL - FLIGHT PERSONNEL MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON WEATHER BRIEFING - COMPANY DISPATCH WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT SKY CONDITION CEILING AT ACCIDENT SITE BROKEN 8000 VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 1/4 MILE OR LESS THUNDERSTORM, RAIN SHOWERS OBSTRUCTIONS TO VISION AT ACCIDENT SITE TYPE OF WEATHER CONDITIONS NONE IFR TYPE OF FLIGHT PLAN IFR REMARKS- FLT ATTNDT DISREGARDED SEAT BELT SIGN & P/A WARNING.
Aircraft
- Registration
- N4508W
- Reported as
- Boeing 737
- Category
- Airplane
- Engine
- turbo fan
- Damage
- No damage