- Date
- October 18, 1971
- Place
- Sinclair, WY · SINCLAIR, WY
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4168BAero Comdr 520
- Status
- Completed · report February 7, 1972
- Report
- Brief approved by the director
- Case key
- 163536
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1970 71/10/18 SINCLAIR,WYO AERO COMDR 520 CR- 0 0 1 MISCELLANEOUS COMMERCIAL, AGE 25, 2016 TIME - 1330 N4168B PX- 0 0 0 FERRY TOTAL HOURS, 36 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION SALT LAKE CITY,UT SCOTTS BLUFF,NEBR TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE COLLISION WITH GROUND/WATER: CONTROLLED IN FLIGHT: OTHER PROBABLE CAUSE(S) PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. WEATHER - LOW CEILING WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT SKY CONDITION CEILING AT ACCIDENT SITE PARTIAL OBSCURATION 400 VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 2 MILES OR LESS SNOW OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 35 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 225 15 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN IFR IFR REMARKS- DE-ICING BOOTS INOP.LOST R ENG PWR.UN MAINTAIN FLT.DIDNT FEATH R ENG.HIT IN R TURN.GR,FLAPS DOWN.
Aircraft
- Registration
- N4168B
- Reported as
- Aero Comdr 520
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N4168BRegistration cancelled Nov 20, 2012 · Aero Commander 520Airframe modelAero Commander 520Engine modelLycoming GO-435C&D series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.