Aircraft Accident/Incident Report

Sioux Falls, South Dakota 57103
Tuesady, December 29, 1992 3:50 CST

NTSB Narrative Summary Released at Completion of Accident

THE NIGHT POSITIONING FLIGHT WAS IN CRUISE FLIGHT AT 14,000 FEET WHEN THE MAIN CABIN DOOR SEPARATED FROM THE AIRPLANE. AN EXAMINATION OF THE DOOR REVEALED THAT THE DOOR LATCH MECHANISM WAS CAPABLE OF PROPER OPERATION WHEN SECURED PROPERLY. AN EXAMINATION OF THE ANNUNCIATOR DOOR WARNING LIGHT SYSTEM REVEALED THAT WHEN THE DIMMING RHEOSTAT WAS FULL DIM, THE 'DOOR OPEN' LIGHT WENT OUT. ONE OF THE TWO BULBS WAS BURNT OUT.

NTSB Probable Cause Narrative

THE PILOT-IN-COMMAND'S INADEQUATE PREFLIGHT.

Event Information

Type of Event Incident
Event Date 12/29/1992
Event Day of the Week Tuesday
Time of Event 350
Event Time Zone Central Standard Time
Event City SIOUX FALLS
Event State SOUTH DAKOTA
Event Country --
Zipcode of the event site 57103
Event Date Year 1992
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 350 Central Standard Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID FSD
Elevation of weather observation facility 1429
Distance of event from weather observation facility (units?) 40
Time Zone of the weather observation CST
Lighting Conditions Night/Dark
Lowest Ceiling Height 1000
Lowest Non-Ceiling Height 1000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 1
Air Temperature at event time (in degrees celsius) -17
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5048
NTSB Notification Source --
NTSB Notification Date Dec 29 1992 12:00AM
NTSB Notification Time 920
Fiche Number and/or location -used to find docket information 47642
Date of most recent change to record Dec 11 2000 3:29PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N31SV
NTSB Number CHI93IA060
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model B90
Aircraft Series Identifier B90
Aircraft Serial Number LJ362
Certified Max Gross Weight 9650
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 7
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Jun 9 1992 12:00AM
Airframe hours since last inspection 63
Airframe Hours 8098
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SIOUX VALLEY HOSPITAL ASSN.
Aircraft Owner Street Address P. O. BOX 5039
Aircraft Owner City SIOUX FALLS
Aircraft Owner State SD
Aircraft Owner Country
Aircraft Owner Zipcode 57117
Operator is an individual? --
Operator Name SIOUX VALLEY HOSPITAL ASSN.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P. O. BOX 5039
Operator City SIOUX FALLS
Operator State SD
Operator Country
Operator Zip code 57117
Operator Code SVBA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Positioning
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 335
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code 0V6
Destination City MISSION
Destination State SD
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --