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NTSB Report
July 24, 1992 · Cessna 172I · N27JF
Donnelly, ID
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 24, 1992
Injury Outcomes
3 injuries (1 fatality, 2 serious injuries)
Location
Donnelly, ID
Aircraft
Cessna 172I
Tail Number
N27JF
Operator
Idaho Transportation Serv
Injuries
Fatal
Aircraft Damage
Substantial
NTSB Number
SEA92FA161
THE PRIVATE PILOT INITIATED A TAKEOFF FROM A SOD RUNWAY AT 4860 FEET ABOVE SEA LEVEL WITH THE MIXTURE CONTROL IN THE RICH POSITION AND THE FLAPS EXTENDED TWENTY DEGREES. TREES ARE LOCATED AT THE DEPARTURE END OF THE RUNWAY, BUT THEY CAN BE AVOIDED BY A SLIGHT RIGHT TURN AFTER TAKEOFF, WHICH ALLOWS FLYING OVER A RIVER. THE AIRCRAFT OWNER'S MANUAL STATES THAT NORMAL AND OBSTACLE CLEARANCE TAKEOFFS ARE PERFORMED WITH WING FLAPS UP, BUT DOES PROVIDE FOR USE OF TEN DEGREES OF FLAPS FOR TAKEOFFS WITH NO OBSTACLES AHEAD. A WITNESS OBSERVED THE AIRCRAFT LIFTING OFF IN A STALL CONFIGURATION, CLIMBING NO HIGHER THAN THE TREES BEFORE THE LEFT WING DROPPED AND IT CRASHED IN A FIELD ADJACENT TO THE DEPARTURE END OF THE RUNWAY.
NTSB Probable Cause
THE PILOT'S FAILURE TO MAINTAIN AIRSPEED AFTER TAKEOFF WHILE USING IMPROPER OBSTACLE TAKEOFF PROCEDURES. FACTORS INCLUDE EXCESSIVE FLAP EXTENSION.
Full Narrative
THE PRIVATE PILOT INITIATED A TAKEOFF FROM A SOD RUNWAY AT 4860 FEET ABOVE SEA LEVEL WITH THE MIXTURE CONTROL IN THE RICH POSITION AND THE FLAPS EXTENDED TWENTY DEGREES. TREES ARE LOCATED AT THE DEPARTURE END OF THE RUNWAY, BUT THEY CAN BE AVOIDED BY A SLIGHT RIGHT TURN AFTER TAKEOFF, WHICH ALLOWS FLYING OVER A RIVER. THE AIRCRAFT OWNER'S MANUAL STATES THAT NORMAL AND OBSTACLE CLEARANCE TAKEOFFS ARE PERFORMED WITH WING FLAPS UP, BUT DOES PROVIDE FOR USE OF TEN DEGREES OF FLAPS FOR TAKEOFFS WITH NO OBSTACLES AHEAD. A WITNESS OBSERVED THE AIRCRAFT LIFTING OFF IN A STALL CONFIGURATION, CLIMBING NO HIGHER THAN THE TREES BEFORE THE LEFT WING DROPPED AND IT CRASHED IN A FIELD ADJACENT TO THE DEPARTURE END OF THE RUNWAY.
Flight
Event TypeAccident
Event Time17:30 PDT
Nearest AirportDONNELLY (0nm)
Runway18
Runway Length2500 ft
Runway Width125 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172I
Tail NumberN27JF
Aircraft CategoryAir
DamageSubstantial
OperatorIdaho Transportation Serv
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E2D · Reciprocating · 150
Seats4
People & Injuries
Injury Summary3 injuries (1 fatality, 2 serious injuries)
Fatal1
Serious2
Minor0
Uninjured0
Total3
Crew 1Age 24 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind220° @ 2 kt
CeilingNone
Temperature / Dew Point61 F / 43 C
Altimeter0
Observation Time00:49
Weather SourceWFAC