# NTSB ANC94LA102: Cessna 206, N756NG, Bethel, AK, August 9, 1994 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Limited investigation · Final report - Date: August 9, 1994, 12:54 local (20:54 UTC) - Place: Bethel, AK - Coordinates: 64.899414, -148.159347 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=64.8994&lon=-148.1593&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: Minor injuries - Injuries: 1 minor - Status: Completed, report January 26, 1995 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - NTSB case key (mKey): 2538 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC94LA102 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/2538/pdf - Page: https://openairdocs.org/ntsb/ANC94LA102 ## Probable cause THE PILOT MISJUDGED THE STRENGTH OF THE TAILWIND AND DID NOT PERFORM A GO-AROUND IN A TIMELY FASHION SO AS TO AVOID LANDING THE AIRPLANE HALFWAY DOWN THE STRIP. FACTORS IN THE ACCIDENT WERE THE WET LANDING STRIP AND THE TAILWIND. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Overrun, landing - roll - terrain condition - wet (contributing factor) - weather condition - tailwind (contributing factor) - wind information - misjudged, pilot in command (cause) - go-around - not performed, pilot in command (cause) - On ground/water encounter with terrain/water, landing - roll ## Analysis THE PILOT STATED THAT HE MISJUDGED THE STRENGTH OF THE TAILWIND AND LANDED THE AIRPLANE HALFWAY DOWN THE 1800 FOOT WET SAND/GRAVEL STRIP. HE CONSIDERED BUT CANCELLED OUT A GO-AROUND BECAUSE HE BELIEVED THAT HE WAS COMMITTED TO LANDING THE PLANE. ## Factual narrative On August 9, 1994, at 1254 Alaska daylight time, a wheel equipped Cessna 206 airplane, N756NG, registered to Arctic Air Group and operated by Artic Circle Air Service, Inc., collided with terrain during landing at a remote area known as Stuyahok, Alaska. The commercial certificated pilot-in-command, the sole occupant, received minor injuries and the airplane sustained substantial damage. The flight was conducted under the non scheduled rules contained in 14 CFR Part 135 for the purpose of carrying a cargo of automotive fuel to the gold mining camp located near the landing site. The flight last departed Aniak, Alaska at 1222, and the intended destination was the landing strip. Visual meteorological conditions prevailed and a company flight plan was in effect. On the afternoon of August 10, 1994, the NTSB investigator-in-charge conducted a telephone interview with the pilot-in-command. The pilot said that he was performing a full flap landing on the upsloped southwest strip (runway heading 210) with a tailwind varying from 030 to 090 at 10 to 15 knots. He said that he misjudged the strength of the tailwind and touched down about halfway down the 1800 foot sand and gravel strip. He felt that a go-around would not be successful. The plane overran the end of the strip, crossed a small stream, collided with the far bank, and nosed over. ## Aircraft - Registration: [N756NG](https://openairdocs.org/aircraft/N756NG), registered now, S/N U20604219, built 1977 (OpenAirDocs) - Reported make and model: CESSNA 206 - Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (registry code 2073356) (OpenAirDocs) - Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: U20604219 - Airframe hours: 5435 - Engines: CONTINENTAL IO-520-F17B 300 horsepower reciprocating - Damage: Substantial damage - Flight: Part 135 - Operator: Artic Circle Air Service, Inc. - Registered owner: Artic Air Group - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, July 9, 1994, 44 hours before - Departed: ANI, ANIAK, AK - Flight plan: Company VFR - Airport: Stoyahuk, runway 21, 1,800 × 50 ft, gravel ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 28; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 1,420 total, 300 in this make and model, 1,340 as pilot in command, 340 in the last 90 days, 122 in the last 30 days, 4 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 60° at 15 knots - Visibility: 10 statute miles - Lowest ceiling: 1,500 ft overcast - Temperature: 55 °F ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19940809020989A](https://openairdocs.org/incident/19940809020989A), Aug 9, 1994: Cessna U206G, Bethel, AK, Substantial damage. Landed downwind on upsloped gravel strip. Unable stop. Overran strip. Crossed a creek. Struck FAR bank. Overturned. ## Other investigations on N756NG (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ANC89LA165](https://openairdocs.org/ntsb/ANC89LA165), Sep 15, 1989: Cessna U206 (N756NG), Nondalton, AK, substantial damage. Probable cause: FAILURE OF THE PILOT TO ATTAIN THE PROPER TOUCHDOWN POINT FOR THE LANDING, HIS EXCESSIVE AIRSPEED, AND HIS MISJUDGEMENT OF RUNWAY DISTANCE REMAINING. FACTORS RELATED TO THE ACCIDENT WERE: LOOSE/WET… From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.