NTSB Identification: LAX67A0013
14 CFR Part 135 Nonscheduled operation of SCENIC AIRLINE
Aircraft: PIPER PA-23, registration: N4680P----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3922 66/7/30 NR.GRAND CANYON ARIZ PIPER PA-23 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR.,
TIME - 0800 N4680P PX- 0 0 5 AIR TAXI-PASSG AGE 46, 12184 TOTAL
DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, 60 IN TYPE,
INSTRUMENT RATED.
TYPE OF ACCIDENT PHASE OF OPERATION
ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE
WHEELS-UP LANDING: LEVEL OFF/TOUCHDOWN
PROBABLE CAUSE(S)
POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
MISCELLANEOUS ACTS,CONDITIONS - PRESSURE,NONE
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
FACTOR(S)
WEATHER - HIGH DENSITY ALTITUDE
COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
SKY CONDITION CEILING AT ACCIDENT SITE
CLEAR UNLIMITED
VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE
5 OR OVER(UNLIMITED) NONE
OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F
NONE 60
TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN
VFR NONE
REMARKS- RT PROP SURGED 200 RPM.PLT KNEW THIS PRIOR T/O. L.ENG.NO.5 PISTON PIN PLUG FAILED.UNABLE HOLD ALT.
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