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NTSB Report
August 30, 1992 · Short Brothers SH-7 · N53NS
Sheldon Point, AK
Overview
Report Status
Probable Cause
Event Type
Incident
Date
August 30, 1992
Injury Outcomes
No injuries (3 uninjured)
Location
Sheldon Point, AK
Aircraft
Short Brothers SH-7
Tail Number
N53NS
Operator
Camai Air
Injuries
None
Aircraft Damage
Minor
NTSB Number
ANC92IA147
THE LEFT COCKPIT DOOR BEHIND PILOT THE POSITION OPENED INTO AIRSTREAM AT 50 FT AGL ON INITIAL CLIMBOUT. THE DOOR DEPARATED AND DAMAGED LEFT PROPELLER AND FUSELAGE SKIN. THE PILOT COMPLETED SINGLE ENGINE PROCEDURES AND PROCEDED IMC TO ALTERNATE AND COMPLETED IFR APPROACH AND LANDING WITHOUT FURTHER INCIDENT. THE DOOR WAS NOT FOUND. IT WAS UNDETERMINED IF THE DOOR LATCH MALFUNCTIONED FOR PERSONNEL FAILED TO CLOSE THE LATCH. COCKPIT LIGHTING DOES NOT ILLUMINATE AS A FUNCTION OF THE DOOR LATCH. THEE IS NO WARNING LIGHT TO WARN OF AN UNLATCHED DOOR. THE DOOR HINGES ARE MOUNTED ON THE AFT FRAME OF THE DOOR OPENING, THUS SWINGING REARWARD IN FRONT OF PROPELLER.
NTSB Probable Cause
THE UNLATCHING OF THE LEFT CREW ENTRANCE DOOR BY MEANS UNDETERMINED AND THE LACK OF ADHERENCE TO DOOR CHECK ITEMS BY THE PILOT IN COMMAND ON THE REQUISITE CHECKLISTS. A FACTOR RELATING TO THE INCIDENT WAS THE SEPARATION OF THE DOOR FROM THE FRAME WHEN OPENED INTO THE SLIPSTREAM.
Full Narrative
THE LEFT COCKPIT DOOR BEHIND PILOT THE POSITION OPENED INTO AIRSTREAM AT 50 FT AGL ON INITIAL CLIMBOUT. THE DOOR DEPARATED AND DAMAGED LEFT PROPELLER AND FUSELAGE SKIN. THE PILOT COMPLETED SINGLE ENGINE PROCEDURES AND PROCEDED IMC TO ALTERNATE AND COMPLETED IFR APPROACH AND LANDING WITHOUT FURTHER INCIDENT. THE DOOR WAS NOT FOUND. IT WAS UNDETERMINED IF THE DOOR LATCH MALFUNCTIONED FOR PERSONNEL FAILED TO CLOSE THE LATCH. COCKPIT LIGHTING DOES NOT ILLUMINATE AS A FUNCTION OF THE DOOR LATCH. THEE IS NO WARNING LIGHT TO WARN OF AN UNLATCHED DOOR. THE DOOR HINGES ARE MOUNTED ON THE AFT FRAME OF THE DOOR OPENING, THUS SWINGING REARWARD IN FRONT OF PROPELLER.
Flight
Event TypeIncident
Event Time20:26 AKDT
Nearest AirportSheldons Point (1nm SSW)
Runway2
Runway Length2200 ft
Runway Width50 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftShort Brothers SH-7
Tail NumberN53NS
Aircraft CategoryAir
DamageMinor
OperatorCamai Air
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsGarrett · TPE331-2-201A · Turboprop · 715
Seats11
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 32 · First Class
Conditions
ConditionsVMC
LightDusk
Wind140° @ 20 kt, gusting 30 kt
Visibility3 sm
CeilingOvercast 1100 ft
Temperature / Dew Point45 C / 39 C
Altimeter29.00 inHg
Weather SourcePILO