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NTSB Report
March 26, 1989 · Mooney M20F · N9379M
San Andreas, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
March 26, 1989
Injury Outcomes
4 injuries (4 fatalities)
Location
San Andreas, CA
Aircraft
Mooney M20F
Tail Number
N9379M
Operator
Drago Charles R
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX89FA133
WITNESSES RPRTD THERE WAS AN INTERRUPTION OF ENG POWER AS THE ACFT WAS MANEUVERING AT LOW ALT, THEN IT ENTERED A DSCNT WITH THE WINGS ROTATING & CRASHED. A SWATH THRU THE TREES IN THE IMPACT AREA INDICATED THE ACFT WAS IN A LEFT WING LOW/NOSE DOWN ATTITUDE WHEN IT CRASHED. THE PROP BLADES HAD EVIDENCE OF CHORDWISE SCRATCHES & DEEP LEADING EDGE GOUGES. ALSO, A TREE LIMB WAS FOUND THAT HAD BEEN SLICED; IT CONTAINED BLACK PAINT THAT MATCHED PAINT ON THE PROP.
NTSB Probable Cause
INTERRUPTION OF ENGINE POWER FOR AN UNDETERMINED REASON, AND FAILUE OF THE PILOT TO MAINTAIN AIRSPEED, WHICH RESULTED IN A STALL/SPIN. A FACTOR RELATED TO THE ACCIDENT WAS: LACK OF ALTITUDE TO RECOVER FROM THE STALL/SPIN.
Full Narrative
WITNESSES RPRTD THERE WAS AN INTERRUPTION OF ENG POWER AS THE ACFT WAS MANEUVERING AT LOW ALT, THEN IT ENTERED A DSCNT WITH THE WINGS ROTATING & CRASHED. A SWATH THRU THE TREES IN THE IMPACT AREA INDICATED THE ACFT WAS IN A LEFT WING LOW/NOSE DOWN ATTITUDE WHEN IT CRASHED. THE PROP BLADES HAD EVIDENCE OF CHORDWISE SCRATCHES & DEEP LEADING EDGE GOUGES. ALSO, A TREE LIMB WAS FOUND THAT HAD BEEN SLICED; IT CONTAINED BLACK PAINT THAT MATCHED PAINT ON THE PROP.
Flight
Event TypeAccident
Event Time12:20 PST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMooney M20F
Tail NumberN9379M
Aircraft CategoryAir
DamageDestroyed
OperatorDrago Charles R
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-A1A · Reciprocating · 200
Seats4
People & Injuries
Injury Summary4 injuries (4 fatalities)
Fatal4
Serious0
Minor0
Uninjured0
Total4
Crew 1Age 49 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind330° @ 10 kt
Visibility40 sm
CeilingNone
Temperature / Dew Point41 C
Altimeter29.00 inHg
Observation Time19:52
Weather SourceWFAC