CHI01LA167
2001-06-15 · Ottawa, Illinois, United States · Serious · 1 aircraft · Status: Completed
Airport 8N2
Current FAA registration · N30EA
- Make / Model
- DEHAVILLAND DHC-6 TWIN OTTER
- Year of manufacture
- 1968 · 33 years old at event
- Engine
- P&W PT6A SER (750 hp)
- Seats / Engines
- 16 seats · 2 engines
- Last airworthiness date
- 19980610
- ADS-B equipped
- Yes — Mode-S A31D5E
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
the failure of the passenger to maintain clearance from the windmilling propeller after exiting the airplane.
Factual narrative
On June 15, 2001, at 2315 central daylight time, a passenger was seriously injured after walking into the propeller blade of a De Havilland, DHC-6 Twin Otter, N30EA,after the aircraft landed at the Skydive Chicago Airport, Ottawa, Illinois. Visual meteorological conditions prevailed at the time of the accident. The flight was operating under the provisions of 14 CFR Part 91 and was on a visual flight rules (VFR) flight plan. The pilot and the five other passengers were not injured. The flight departed the Hastings Airport, Hastings, Michigan, at 2200 and had arrived at its scheduled final destination. The pilot stated: "At 10:00 pm central time N30EA departed from Hastings Michigan (9D9) on a VFR direct flight to Ottawa IL. (8N2) after a pilot briefing to passengers remain in their seats until the ok is given to exit the aircraft. The main door was closed and checked prior to take off. Weather was clear and dry with the flight planned to 1 hr. and 10 min. The aircraft landed on runway 21 at Skydive Chicago (8N2) at approx. 11:10 pm during the back taxi I again reminded the passengers to stay seated with their seat belts on. The aircraft was taxied to the ramp in front of the main hanger per directions of the ground crew. The signal was given to stop and shut down, at which point the parking brakes were set. Some time during the shut down sequence 2 passengers did open the main rear left side exit door and exit the aircraft one passenger walked towards the left wing tip and the second (.......) ran straight towards the left propeller and was struck by the spinning propeller. The engines had just been shut down (fuel levers pulled) however still had high rpm. I heard a noise but saw nothing. As per the ground crew she just ran into the back side of the spinning prop and the ground crew could not stop her. It was stated by one of the other passengers that she really had to use the bathroom and just bolted when the aircraft stopped." The injured passenger stated on the National Transportation Safety Board Passenger Statement form Part A: "It was dark out. I released my seat belt and exited the plane to proceed to the hangar. There was no ground support crew, stairway or ladder to exit the plane. There was no lighting. The pilot gave no commands prior to passengers exiting" On Part D the passenger stated: "I have found out the pilot deviated from his normal procedure and parked the plane heading the opposite direction that he always parked in the past. As it turned out, once you exited the plane, the direction to the hangar put you in a path directly into the propeller. We were given no commands as how to exit or what direction to go once we did exit." The ground crew aircraft marshaller and two other passenger statements are attachments to the factual report. after landing at night and stopping on the ramp, a passenger was seriously injured after walking into the propeller blade after exiting the aircraft. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2001_CHI01LA167.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type. All research papers
- NASA NTRS 2019 · Contractor Report (CR) DHC-6 Twin Otter Tailplane Airfoil Section Testing in the Ohio State University 7x10 Wind Tunnel
Ice contaminated tailplane stall (ICTS) has been found to be responsible for 16 accidents with 139 fatalities over the last three decades, and is suspected to have played a role in other accidents and…
- NASA NTRS 2019 · Reprint (Version printed in journal) In-Flight Aerodynamic Measurements of an Iced Horizontal Tailplane
The effects of tailplane icing on aircraft dynamics and tailplane aerodynamics were investigated using, NASA's modified DHC-6 Twin Otter icing research aircraft.
- NASA NTRS 2019 · Reprint (Version printed in journal) Investigation of Dynamic Flight Maneuvers With an Iced Tailplane
A detailed analysis of two of the dynamic maneuvers, the pushover and elevator doublet, from the NASA/FAA Tailplane Icing Program are discussed.