Aircraft Accident/Incident Report

Snohomish, Washington 98290
Saturday, December 15, 1990 13:36 PST

NTSB Narrative Summary Released at Completion of Accident

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.

NTSB Probable Cause Narrative

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.

Event Information

Type of Event Accident
Event Date 12/15/1990
Event Day of the Week Saturday
Time of Event 1336
Event Time Zone Pacific Standard Time
Event City SNOHOMISH
Event State WASHINGTON
Event Country --
Zipcode of the event site 98290
Event Date Year 1990
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 NONE
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 0
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1245 Pacific Standard Time
Direction of event from weather observation facility (degrees) 260
Weather Observation Facility ID PAE
Elevation of weather observation facility 606
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 1000
Lowest Non-Ceiling Height 800
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 6
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 950
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor 1
Injury Total None 4
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1164
NTSB Notification Source --
NTSB Notification Date Dec 15 1990 12:00AM
NTSB Notification Time 1815
Fiche Number and/or location -used to find docket information 42489
Date of most recent change to record Dec 12 2000 5:37PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N833Q
NTSB Number SEA91LA034
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model D50C
Aircraft Series Identifier D50C
Aircraft Serial Number DH-290
Certified Max Gross Weight 6300
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 --
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name SNOHOMISH PARACHUTE CTR
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 9914 AIRPORT WAY
Operator City SNOHOMISH
Operator State WA
Operator Country
Operator Zip code 98290
Operator Code
Owner has at least one certificate None
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) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code S43
Departure City SNOHOMISH
Departure State WA
Departure Country
Departure Time 1315
Departure Time Zone PST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --