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NTSB Report
June 9, 1986 · Carnes Osprey 2 · N627JC
Julian, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 9, 1986
Injury Outcomes
1 injury (1 fatality)
Location
Julian, CA
Aircraft
Carnes Osprey 2
Tail Number
N627JC
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX86FA249
WITNESS STATEMENTS & EXAMINATION OF THE WRECKAGE REVEALED THAT THE AIRCRAFT STRUCK THE GROUND AS A RESULT OF A STALL-SPIN TYPE ACCIDENT NEAR THE END OF THE CLOSED PORTION OF A BOX CANYON ABOUT 200 FEET BELOW THE TOP OF THE RIDGE. THE INVESTIGATION REVEALED THAT THE PILOT/BUILDER EXTENSIVELY MODIFIED THE AIRCRAFT AS BUILT FROM THE ORIGINAL PLANS/SPECIFICATIONS. ALL OF THE MODIFICATIONS ATTEMPTED BY THE PILOT WERE, ACCORDING TO THE AIRCRAFT DESIGNER, PROVEN TO INDUCE LONGITUDINAL STABILITY PROBLEMS DURING FLIGHT TESTING OF THE PROTOTYPE AIRCRAFT. THE PILOT COMMENTED TO HIS ASSOCIATES THAT HE WOULD EXPERIENCE CONTROL PROBLEMS IN TURBULENCE, REPORTEDLY SAYING THAT 'IN TURBULENCE THE NOSE WOULD COME UP ALMOST VERTICAL.' WINDS AT 30 KNOTS WITH GUSTS TO 40 KNOTS WERE REPORTED IN THE CANYON BY FOREST SERVICE PILOTS IN ADDITION TO MODERATE TURBULENCE.
Full Narrative
WITNESS STATEMENTS & EXAMINATION OF THE WRECKAGE REVEALED THAT THE AIRCRAFT STRUCK THE GROUND AS A RESULT OF A STALL-SPIN TYPE ACCIDENT NEAR THE END OF THE CLOSED PORTION OF A BOX CANYON ABOUT 200 FEET BELOW THE TOP OF THE RIDGE. THE INVESTIGATION REVEALED THAT THE PILOT/BUILDER EXTENSIVELY MODIFIED THE AIRCRAFT AS BUILT FROM THE ORIGINAL PLANS/SPECIFICATIONS. ALL OF THE MODIFICATIONS ATTEMPTED BY THE PILOT WERE, ACCORDING TO THE AIRCRAFT DESIGNER, PROVEN TO INDUCE LONGITUDINAL STABILITY PROBLEMS DURING FLIGHT TESTING OF THE PROTOTYPE AIRCRAFT. THE PILOT COMMENTED TO HIS ASSOCIATES THAT HE WOULD EXPERIENCE CONTROL PROBLEMS IN TURBULENCE, REPORTEDLY SAYING THAT 'IN TURBULENCE THE NOSE WOULD COME UP ALMOST VERTICAL.' WINDS AT 30 KNOTS WITH GUSTS TO 40 KNOTS WERE REPORTED IN THE CANYON BY FOREST SERVICE PILOTS IN ADDITION TO MODERATE TURBULENCE.
Flight
Event TypeAccident
Event Time17:25 PDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftCarnes Osprey 2
Tail NumberN627JC
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-H2AD · Reciprocating · 160
Seats2
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 63 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind110° @ 30 kt, gusting 40 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourceWIT