Accident Beechcraft D50C Twin Bonanza N833Q, Saturday 15 December 1990
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Date:Saturday 15 December 1990
Time:13:36
Type:Silhouette image of generic BE50 model; specific model in this crash may look slightly different    
Beechcraft D50C Twin Bonanza
Owner/operator:Snohomish Parachute Ctr
Registration: N833Q
MSN: DH-290
Year of manufacture:1960
Engine model:Lycoming GO-480-G2D6
Fatalities:Fatalities: 1 / Occupants: 6
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Snohomish, WA -   United States of America
Phase: En route
Nature:Parachuting
Departure airport:Snohomish, WA (S43)
Destination airport:Snohomish, WA (S43)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DURING A SKYDIVING OPERATION, THE AIRCRAFT WAS SLOWED TO SLOW CRUISE FLIGHT FOR A PARACHUTE JUMP. AS SKYDIVERS WERE MOVING TO THE EXIT DOOR FOR A GROUP JUMP, THE D-RING OF ONE SKYDIVER'S RESERVE PARACHUTE BECAME ENTANGLED ON A PROTRUDING CABIN DOOR SUPPORT BRACKET. THE RESERVE CHUTE DEPLOYED & WAS CAUGHT IN THE SLIP STREAM. THE SKYDIVER WAS THEN PULLED FROM THE OPEN DOOR. HE IMPACTED THE RIGHT HORIZONTAL STABILIZER, FELL 4000 FT TO THE GROUND & WAS FATALLY INJURED. MOST OF THE RIGHT STABILIZER WAS TORN FROM THE AIRCRAFT. AFTER ITS SEPARATION, THE AIRCRAFT ENTERED A DIVE & THE REMAINING SKYDIVERS JUMPED FROM THE PLANE. ONE OF THE OTHER SKYDIVERS WAS IN THE DOORWAY WHEN THE ACCIDENT SEQUENCE BEGAN. HE HELD ONTO THE AIRCRAFT FOR A MOMENT AS IT SHUDDERED & STARTED TO DIVE, THEN 'LET GO.' DURING THE OCCURRENCE, HE RECEIVED A MINOR INJURY. THE PILOT REGAINED CONTROL OF THE AIRCRAFT & MADE AN EMERGENCY LANDING AT AN AIRPORT WITH A LONG RUNWAY. CAUSE: THE OBSTRUCTION (PROTRUDING DOOR SUPPORT BRACKET) IN THE DOORWAY OF THE AIRCRAFT; FAILURE OF THE COMPANY/OPERATOR PERSONNEL, THE PILOT, AND THE SKYDIVERS TO ASSURE THAT THE DOORWAY WAS CLEAR OF OBSTRUCTIONS; AND SUBSEQUENT SNAGGING OF THE D-RING, WHICH RESULTED IN INADVERTENT DEPLOYMENT OF THE PASSENGER'S (SKYDIVER'S) RESERVE PARACHUTE.

Accident investigation:
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Investigating agency: NTSB
Report number: SEA91LA034
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X24824

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency, ]

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