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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

December 6, 1992 · Cessna 152 · N69260

Marysville, WA

Overview

Report Status
Probable Cause
Event Type
Accident
Date
December 6, 1992
Injury Outcomes
1 injury (1 fatality)
Location
Marysville, WA
Aircraft
Cessna 152
Tail Number
N69260
Operator
Snohomish Flying Service
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
SEA93FA032

A WITNESS DESCRIBED THE AIRCRAFT AS DESCENDING WITH ITS WINGS FOLDED IN A NEAR VERTICAL DESCENT. THE LEFT SIDE OF THE HORIZONTAL STABILIZER WAS FOLDED DOWNWARD NEARLY 90 DEGREES AT APPROXIMATELY MID SPAR, AND THE RIGHT ELEVATOR AND RIGHT SIDE OF THE HORIZONTAL STABILIZER WAS ALSO FOLDED DOWNWARD IN TWO LOCATIONS. BOTH WINGS SHOWED EVIDENCE OF FAILING DOWNWARD OUTBOARD OF THE WING STRUT ATTACHMENT POINTS. DURING A DUAL INSTRUCTIONAL FLIGHT THE PREVIOUS DAY, THE STUDENT HAD ASKED HIS INSTRUCTOR TO DEMONSTRATE SPINS. THE INSTRUCTOR HAD DECLINED, ADVISING THE STUDENT THAT PARACHUTES WERE REQUIRED FOR SPIN TRAINING.

NTSB Probable Cause

THE DESIGN STRESS LIMITS OF THE AIRFRAME WERE EXCEEDED BY THE STUDENT PILOT.

Full Narrative

A WITNESS DESCRIBED THE AIRCRAFT AS DESCENDING WITH ITS WINGS FOLDED IN A NEAR VERTICAL DESCENT. THE LEFT SIDE OF THE HORIZONTAL STABILIZER WAS FOLDED DOWNWARD NEARLY 90 DEGREES AT APPROXIMATELY MID SPAR, AND THE RIGHT ELEVATOR AND RIGHT SIDE OF THE HORIZONTAL STABILIZER WAS ALSO FOLDED DOWNWARD IN TWO LOCATIONS. BOTH WINGS SHOWED EVIDENCE OF FAILING DOWNWARD OUTBOARD OF THE WING STRUT ATTACHMENT POINTS. DURING A DUAL INSTRUCTIONAL FLIGHT THE PREVIOUS DAY, THE STUDENT HAD ASKED HIS INSTRUCTOR TO DEMONSTRATE SPINS. THE INSTRUCTOR HAD DECLINED, ADVISING THE STUDENT THAT PARACHUTES WERE REQUIRED FOR SPIN TRAINING.

Flight

Event TypeAccident
Event Time08:35 PST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 152
Tail NumberN69260
Aircraft CategoryAir
DamageDestroyed
OperatorSnohomish Flying Service
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-235-L2CM · Reciprocating · 108
Seats2

People & Injuries

Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 42 · Second Class

Conditions

ConditionsVMC
LightDaylight
Wind140° @ 11 kt
Visibility75 sm
CeilingBroken clouds 8000 ft
Temperature / Dew Point37 C / 21 C
Altimeter29.00 inHg
Observation Time16:45
Weather SourceWFAC

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Appendix: Source Data