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NTSB Report
August 27, 1988 · Mooney M20F · N9528M
Jackson Hole, WY
Overview
Report Status
Preliminary report
Event Type
Accident
Date
August 27, 1988
Injury Outcomes
2 injuries (2 fatalities)
Location
Jackson Hole, WY
Aircraft
Mooney M20F
Tail Number
N9528M
Operator
Yoreck Robert
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
DEN88FA193
THE PVT PLT OBTAINED HIS INSTRUMENT RATING 14 DAYS PRIOR TO THE ACCIDENT. 12 HRS OF ACTUAL INSTRUMENT FLT TIME WAS LOGGED IN MARCH OF 1987. THE REMAINING INSTRUMENT FLT TIME WAS SIMULATED. VISIBILITY IN THE JACKSON HOLE AREA WAS REDUCED BY SMOKE. THE PLT REPORTED HE WAS CLIMBING THRU 11,000 FT FOR 14,000 FT. THE ACFT WRECKAGE WAS FOUND AT 9,000 FT. THE ACFT HAD STRUCK TWO TALL TREES AND FELL VERTICALLY TO THE GND. THE ACFT WEIGHT WAS CALCULATED TO BE NEAR MAX GROSS AND THE CG WAS DETERMINED TO BE BEYOND THE AFT LIMIT. THE PLT'S TOTAL INSTRUMENT FLT TIME WAS 42 HOURS. THE ACFT OWNERS MANUAL CONTAINS A WARNING WHICH STATE 'UP TO 2,000 FT OF ALTITUDE MAY BE LOST IN A ONE-TURN SPIN AND RECOVERY...THE RATE OF ROTATION DURING THE FIRST PORTION OF THE SPIN IS QUITE RAPID AND THE OCCUPANTS OF THE AIRCRAFT WILL LIKELY BECOME DISORIENTED.'
Full Narrative
THE PVT PLT OBTAINED HIS INSTRUMENT RATING 14 DAYS PRIOR TO THE ACCIDENT. 12 HRS OF ACTUAL INSTRUMENT FLT TIME WAS LOGGED IN MARCH OF 1987. THE REMAINING INSTRUMENT FLT TIME WAS SIMULATED. VISIBILITY IN THE JACKSON HOLE AREA WAS REDUCED BY SMOKE. THE PLT REPORTED HE WAS CLIMBING THRU 11,000 FT FOR 14,000 FT. THE ACFT WRECKAGE WAS FOUND AT 9,000 FT. THE ACFT HAD STRUCK TWO TALL TREES AND FELL VERTICALLY TO THE GND. THE ACFT WEIGHT WAS CALCULATED TO BE NEAR MAX GROSS AND THE CG WAS DETERMINED TO BE BEYOND THE AFT LIMIT. THE PLT'S TOTAL INSTRUMENT FLT TIME WAS 42 HOURS. THE ACFT OWNERS MANUAL CONTAINS A WARNING WHICH STATE 'UP TO 2,000 FT OF ALTITUDE MAY BE LOST IN A ONE-TURN SPIN AND RECOVERY...THE RATE OF ROTATION DURING THE FIRST PORTION OF THE SPIN IS QUITE RAPID AND THE OCCUPANTS OF THE AIRCRAFT WILL LIKELY BECOME DISORIENTED.'
Flight
Event TypeAccident
Event Time14:35 MDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMooney M20F
Tail NumberN9528M
Aircraft CategoryAir
DamageDestroyed
OperatorYoreck Robert
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-A1A · Reciprocating · 200
Seats4
People & Injuries
Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 50 · Third Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility3 sm
CeilingNone
Temperature / Dew Point39 C
Altimeter30.00 inHg
Observation Time19:57
Weather SourceWFAC