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Accidents · NTSB ANC20LA020 · Final report

Cessna 208 accident near Hooper Bay, Alaska, February 5, 2020

On February 5, 2020, a 1999 Cessna 208, registered N454SF, was substantially damaged in an accident during takeoff near Hooper Bay, Alaska (Hooper Bay airport). It was flown under charter and air-taxi rules (Part 135). No one was hurt; 8 people were on board or involved. The weather was instrument conditions (cloud, fog or low visibility).

The NTSB's probable cause their words, unchanged

The pilot’s decision to depart from a contaminated runway, and his failure to make a timely decision to abort the takeoff when the airplane was not accelerating as expected. Contributing to the accident was the pilot’s decision to depart in limited visibility conditions, which likely affected his ability to determine the available runway distance remaining during the takeoff.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
February 5, 2020
Place
Hooper Bay, Alaska · Hooper Bay · map
Type
Accident
Injuries
No one was hurt; 8 people were on board or involved.
Weather
instrument conditions (cloud, fog or low visibility)
Aircraft
Cessna 208 B, built 1999 · all 208s on the register
Registration
N454SF · registry record · serial 208B-0797
Damage
Substantial damage
Flight
Flight · charter and air-taxi rules (Part 135)

The NTSB's narrative final · quoted from the NTSB record

While taking off from a snow-covered runway in instrument meteorological conditions, the pilot stated that the airplane was not gaining speed as expected, but that there was inadequate runway remaining on which to abort the takeoff. The airplane became airborne, and the stall warning horn activated; the airplane subsequently settled back onto the ground, the nose landing gear impacted terrain, and the airplane came to rest upright off the departure end of the runway, resulting in substantial damage.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Miscellaneous/other during takeoff defining event
  2. Runway excursion during takeoff

The NTSB's findings

  • Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › Pilot
  • Environmental issues › Conditions/weather/phenomena › Ceiling/visibility/precip › Low visibility › Effect on personnel
  • Environmental issues › Physical environment › Runway/land/takeoff/taxi surface › Snow/slush/ice covered surface › Effect on operation
  • Environmental issues › Conditions/weather/phenomena › Ceiling/visibility/precip › Snow › Effect on operation
  • Environmental issues › Conditions/weather/phenomena › Light condition › Flat light › Effect on personnel

Pilot

  • Certificate: commercial pilot
  • Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane
  • Flight time: 3,455 hours in all; 1,452 in this make and model; 240 in the last 90 days; 80 in the last 30 days; 3,060 as pilot in command
  • Last flight review: December 9, 2019
  • Medical certificate: Class 1 (without waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Airframe total time: 20,344 hours
  • Last inspection: approved inspection programme, January 24, 2020
  • Maximum gross weight: 8,750 lb
  • Seats: 11
  • Landing gear: fixed
  • Engine: Pratt & Whitney PT6A-114A (turboprop); 430 hours total
  • Operator: Grant Aviation

The flight

  • Departed from: HPB Hooper Bay AK
  • Destination: BET Bethel AK
  • Flight plan: IFR
  • Runway 13, 3,300 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 060° at 10 knots
  • Visibility: 1.2 statute miles
  • Sky: overcast at 1,500 ft; a few clouds at 1,500 ft
  • Temperature: 32°F (0°C), dew point 30°F (-1°C)
  • Altimeter: 29.07 inHg
  • Observation at 3:56 pm from PAHP

Injuries

FatalSeriousMinorNone
Flight crew1
LapC1
Passengers6

Documents from the investigation the NTSB's docket: the evidence folder behind the report

8 documents, released by the NTSB on January 19, 2022. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Other NTSB records under N454SF the same tail number, which may have belonged to a different aircraft at the time

2008-01-15ANC08LA031 · accident near Bethel, AK · substantial damage · minor injuries
2005-12-13ANC06CA011 · accident near Newtok, AK · substantial damage · no injuries
2002-02-24ANC02LA016 · accident near Tununak, AK · substantial damage · no injuries

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.