CHI06FA210

NTSB accident investigation · de Havilland DHC-6-100 · Sullivan, MO · July 29, 2006

Accident · FatalClass 1 · FieldFinal report
Date
July 29, 2006, 13:45 local (18:45 UTC)
Place
Sullivan, MO
Injuries
6 fatal, 2 serious
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N203Ede Havilland DHC-6-100
Weather
Visual (VMC) · Day
Status
Completed · report January 29, 2009
Report
Board-adopted at Board Meeting
Investigation class
Class 1
Parties
Pratt & Whitney Canada, Woodward Governor Company, Viking Air Limited, Honeywell, Federal Aviation Administration
Safety recommendations
Yes
FAA report
20060729016389A
Case key
64226

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

the pilot's failure to maintain airspeed following a loss of power in the right engine due to the fracturing of compressor turbine blades for undetermined reasons. Contributing to some parachutists' injuries was the lack of a more effective restraint system on the airplane.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - mech failure/malfTakeoff
Reason for occurrence undeterminedCause
Turbine assembly,turbine blade - fracturedFactor
All available runway - not usedPilot in commandFactor
Maintenance,overhaul - exceededCompany/operator management
Altitude - lowFactor
Forced landingEmergency landing after takeoff
Loss of control - in flightEmergency landing after takeoff
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in commandCause
Emergency procedure - not followedPilot in command
In flight collision with objectDescent - uncontrolled
Object - tree(s)Factor
Object - wire,transmissionFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The Safety Board's full report is available at http://www.ntsb.gov/publictn/publictn.htm. The Aircraft Accident Summary Report number is NTSB/AAR 08/03/SUM.

On July 29, 2006, about 1345 central daylight time, a de Havilland DHC 6 100, N203E, registered to Adventure Aviation, LLC, and operated by Skydive Quantum Leap as a local parachute operations flight, crashed into trees and terrain after takeoff from Sullivan Regional Airport, near Sullivan, Missouri. The pilot and five parachutists were killed, and two parachutists were seriously injured. The flight was operated under 14 Code of Federal Regulations Part 91 with no flight plan filed. Visual meteorological conditions prevailed.

Factual narrative

The Safety Board's full report is available at http://www.ntsb.gov/publictn/publictn.htm. The Aircraft Accident Summary Report number is NTSB/AAR 08/03/SUM.

On July 29, 2006, about 1345 central daylight time, a de Havilland DHC 6 100, N203E, registered to Adventure Aviation, LLC, and operated by Skydive Quantum Leap as a local parachute operations flight, crashed into trees and terrain after takeoff from Sullivan Regional Airport, near Sullivan, Missouri. The pilot and five parachutists were killed, and two parachutists were seriously injured. The flight was operated under 14 Code of Federal Regulations Part 91 with no flight plan filed. Visual meteorological conditions prevailed.

Aircraft

Registration
N203E
Reported as
de Havilland DHC-6-100
Category
Airplane
Serial number
53
Airframe hours
37,434.4
Engine
Pratt & Whitney Canada PT6A-20, 550 horsepower, turbo prop
Damage
Substantial damage
Flight
Skydiving · Part 91
Registered owner
Adventure Aviation LLC
Airworthiness certificate
Standard, Normal
Last inspection
Continuous airworthiness · May 1, 2006 · 54.6 hours before
Departed
UUV · Sullivan, MO
Destination
UUV
Airport
UUV · Sullivan Regional, runway 24, 4,500 × 75 ft, concrete

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
42
Injuries
Fatal
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Seat
Left
Toxicology
Performed
Flight hours
6,000 total

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 9 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
95 °F, dew point 68 °F
Altimeter
30.04 inHg
Observed at
VIH, 29 nm away

Docket · 50

The files NTSB released with the investigation on September 30, 2008, on NTSB’s docket system: statements, records, photos and specialists’ reports. 50.3 MB in all.

Operations/Airworthiness Factual Report with ErrataItem 1 · .PDF · 618 KBErrata 1 to Operations/Airworthiness Factual ReportItem 2 · .PDF · 42 KBErrata 2 to Operations/Airworthiness Factual ReportItem 3 · .PDF · 41 KBSurvival Factors Specialist's Factual Report with ErrataItem 4 · .PDF · 761 KBSurvival Factors Specialist's Factual Report - Attachment 1Item 5 · .PDF · 33 KBSurvival Factors Specialist's Factual Report - Attachment 3Item 6 · .PDF · 2.7 MBSurvival Factors Specialist's Factual Report - Errata 1Item 7 · .PDF · 36 KBTransportation Safety Board of Canada Engineering Report on Compressor Turbine BladesItem 8 · .PDF · 12.0 MBTransportation Safety Board of Canada SubmissionItem 9 · .PDF · 215 KBPropeller Manufacturer's ReportItem 10 · .PDF · 390 KBAircraft Manufacturer's ReportItem 11 · .PDF · 563 KBWitness StatementsItem 12 · .PDF · 307 KBMechanic's StatementItem 13 · .PDF · 53 KBRecord of InterviewItem 14 · .PDF · 74 KBRecord of InterviewItem 15 · .PDF · 75 KBRecord of InterviewItem 16 · .PDF · 75 KBRecord of InterviewItem 17 · .PDF · 74 KBLetter From Pilot's BrotherItem 18 · .PDF · 404 KBPlotted Wreckage DiagramItem 19 · .PDF · 39 KBNTSB Report #NTSB-AAR-79-10Item 20 · .PDF · 530 KBFuel AnalysisItem 21 · .PDF · 53 KBAirplane Flight Manual ExcerptsItem 22 · .PDF · 209 KBAirplane Logbook ExcerptsItem 23 · .PDF · 5.8 MBLetter Regarding RestraintsItem 24 · .PDF · 51 KBToxicological ReportItem 25 · .PDF · 67 KBStatement of Party Representatives to NTSB InvestigationItem 26 · .PDF · 486 KBRelease of Aircraft Wreckage, NTSB Form 6120.15Item 27 · .PDF · 101 KBPhoto 1. Picture of Intersection Taxi for TakeoffItem 28 · .PDF · 833 KBPhoto 2. TakeoffItem 29 · .PDF · 936 KBPhoto 3. TakeoffItem 30 · .PDF · 1.2 MBPhoto 4. Visible Flames Emitted From Right EngineItem 31 · .PDF · 930 KBPhoto 5. Climb OutItem 32 · .PDF · 1.2 MBPhoto 6. Accident SiteItem 33 · .PDF · 1.5 MBPhoto 7. Right WingItem 34 · .PDF · 1.3 MBPhoto 8. Left WingItem 35 · .PDF · 1.3 MBPhoto 9. Top of FuselageItem 36 · .PDF · 1.2 MBPhoto 10. Bottom of FuselageItem 37 · .PDF · 1.4 MBPhoto 11. Right EngineItem 38 · .PDF · 1.5 MBPhoto 12. Right Propeller and Reduction Gear BoxItem 39 · .PDF · 1.3 MBPhoto 13. Left Engine and PropellerItem 40 · .PDF · 1.3 MBPhoto 14. Instrument PanelItem 41 · .PDF · 1.2 MBPhoto 15. Light Bulb From Stall Warning LightItem 42 · .PDF · 974 KBPhoto 16. Compressor Turbine From Right EngineItem 43 · .PDF · 63 KBPhoto 17. Right PropellerItem 44 · .PDF · 622 KBPhoto 18. Seat Belts for SkydiversItem 45 · .PDF · 1.4 MBPhoto 19. Accident Site (FAA Photo)Item 46 · .PDF · 175 KBPhoto 20. Operator Supplied View of Cabin InteriorItem 47 · .PDF · 645 KBPhoto 21. View of Engine ControlsItem 48 · .PDF · 1.9 MBPhoto 22. View of Engine ControlsItem 49 · .PDF · 1.5 MBVideo/Image StudyItem 50 · .PDF · 111 KB

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N203E · 1

Matched to the same aircraft by N-number and date.