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NTSB Report
June 29, 1992 · Cessna 402B · N910WT
Tuscaloosa, AL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 29, 1992
Injury Outcomes
No injuries (2 uninjured)
Location
Tuscaloosa, AL
Aircraft
Cessna 402B
Tail Number
N910WT
Operator
Jefferson Airplane
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ATL92LA133
THE AIRPLANE WAS BEING FLOWN FOR THE FIRST TIME FOLLOWING REPAINTING. AFTER LEVELING OFF AT CRUISE ALTITUDE, THE PILOT HEARD WIND NOISE FROM THE CABIN & NOTED THAT THE BOTTOM OF THE EMERGENCY EXIT DOOR WAS AJAR. SHORTLY AFTERWARD IT DEPARTED THE FUSELAGE & STRUCK THE LEADING EDGE OF THE HORIZONTAL STABILIZER. AN UNEVENTFUL LANDING WAS COMPLETED. EXAMINATION OF THE AIRPLANE REVEALED THAT THE EXIT HAD BEEN MIS-RIGGED. DURING THE LAST ANNUAL INSPECTION, THE SEAL FOR THE UPPER CABIN DOOR WAS REPLACED BUT, THERE WAS NO INDICATION OF WORK ON THE EMERGENCY EXIT. THE RECORDS FOR THE RECENT REPAINTING OF THE AIRPLANE DID NOT REVEAL ANY WORK THAT REQUIRED THE REMOVAL OF THE EMERGENCY EXIT.
NTSB Probable Cause
THE IMPROPER INSTALLATION OF THE EMERGENCY EXIT, BY AN UNKNOWN PERSON, WHICH RESULTED IN ITS SEPARATION, IN FLIGHT.
Full Narrative
THE AIRPLANE WAS BEING FLOWN FOR THE FIRST TIME FOLLOWING REPAINTING. AFTER LEVELING OFF AT CRUISE ALTITUDE, THE PILOT HEARD WIND NOISE FROM THE CABIN & NOTED THAT THE BOTTOM OF THE EMERGENCY EXIT DOOR WAS AJAR. SHORTLY AFTERWARD IT DEPARTED THE FUSELAGE & STRUCK THE LEADING EDGE OF THE HORIZONTAL STABILIZER. AN UNEVENTFUL LANDING WAS COMPLETED. EXAMINATION OF THE AIRPLANE REVEALED THAT THE EXIT HAD BEEN MIS-RIGGED. DURING THE LAST ANNUAL INSPECTION, THE SEAL FOR THE UPPER CABIN DOOR WAS REPLACED BUT, THERE WAS NO INDICATION OF WORK ON THE EMERGENCY EXIT. THE RECORDS FOR THE RECENT REPAINTING OF THE AIRPLANE DID NOT REVEAL ANY WORK THAT REQUIRED THE REMOVAL OF THE EMERGENCY EXIT.
Flight
Event TypeAccident
Event Time16:10 CDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 402B
Tail NumberN910WT
Aircraft CategoryAir
DamageSubstantial
OperatorJefferson Airplane
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520-E · Reciprocating · 300
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 21 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 5 kt
Visibility7 sm
CeilingNone
Temperature / Dew Point64 F
Altimeter29.00 inHg
Observation Time20:50
Weather SourceWFAC