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NTSB Report
June 12, 1989 · Cessna 172 · N1365E
Chemult, OR
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 12, 1989
Injury Outcomes
2 injuries (1 serious injury, 1 minor injury)
Location
Chemult, OR
Aircraft
Cessna 172
Tail Number
N1365E
Operator
Paul Cap
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
SEA89LA110
THE PLT & PASSENGER WERE CONDUCTING AN EAGLE SURVEY FLT. THEY MADE A PASS OVER AN EAGLE'S NEST, NORTH OF LEMOLO LAKE TO COUNT NEWLY HATCHED EAGLETS, BUT WERE UNSUCCESSFUL. THE PLT DESCENDED TO ABOUT 400 FT AGL & WAS ON THE 2ND PASS, WHEN THE ACFT ENCOUNTERED DOWNDRAFTS. HE SAID HE APPLIED FULL POWER, BUT WAS UNABLE TO STOP A RAPID DESCENT IN TIME TO AVOID IMPACT WITH TREES. THE TERRAIN IN THAT AREA SLOPED UPWARD TO THE NORTH TO A BUTTE. ABOUT 52 MI WEST AT ROSEBURG, OR, THE 1548 PDT WIND WAS FROM 340 DEG AT 8 KTS. DENSITY ALT AT THE ACDNT SITE WAS COMPUTED TO BE 5570 FT.
NTSB Probable Cause
IMPROPER INFLIGHT PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN A SUDDEN ALTITUDE DEVIATION, AND HIS DELAY IN INITIATING REMEDIAL ACTION TO MAINTAIN CLEARANCE FROM THE TREES. CONTRIBUTING FACTORS WERE THE DOWNDRAFTS, HIGH DENSITY ALTITUDE, THE PILOT DIVERTING ATTENTION, AND THE TREES.
Full Narrative
THE PLT & PASSENGER WERE CONDUCTING AN EAGLE SURVEY FLT. THEY MADE A PASS OVER AN EAGLE'S NEST, NORTH OF LEMOLO LAKE TO COUNT NEWLY HATCHED EAGLETS, BUT WERE UNSUCCESSFUL. THE PLT DESCENDED TO ABOUT 400 FT AGL & WAS ON THE 2ND PASS, WHEN THE ACFT ENCOUNTERED DOWNDRAFTS. HE SAID HE APPLIED FULL POWER, BUT WAS UNABLE TO STOP A RAPID DESCENT IN TIME TO AVOID IMPACT WITH TREES. THE TERRAIN IN THAT AREA SLOPED UPWARD TO THE NORTH TO A BUTTE. ABOUT 52 MI WEST AT ROSEBURG, OR, THE 1548 PDT WIND WAS FROM 340 DEG AT 8 KTS. DENSITY ALT AT THE ACDNT SITE WAS COMPUTED TO BE 5570 FT.
Flight
Event TypeAccident
Event Time16:00 PDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172
Tail NumberN1365E
Aircraft CategoryAir
DamageDestroyed
OperatorPaul Cap
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-H2AD · Reciprocating · 160
Seats4
People & Injuries
Injury Summary2 injuries (1 serious injury, 1 minor injury)
Fatal0
Serious1
Minor1
Uninjured0
Total2
Crew 1Age 63 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind340° @ 8 kt
Visibility30 sm
CeilingBroken clouds 15000 ft
Temperature / Dew Point70 F / 54
Altimeter30.00 inHg
Observation Time22:48
Weather SourceWFAC