# NTSB investigations: Continental C90 series, AK

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 95 cases

## Latest cases

- [NTSB ANC26LA041](https://openairdocs.org/ntsb/ANC26LA041.md): Piper PA-11 · Susitna, AK · Accident · No injuries · Class 4 · Limited · Investigation open · May 16, 2026 · N4997M · Substantial damage
- [NTSB ANC25LA026](https://openairdocs.org/ntsb/ANC25LA026.md): Aeronca 7CCM · Kenai, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 20, 2025 · N2527B · Substantial damage
  > A total loss of engine power due to carburetor icing as a result of the pilot’s inadequate use of carburetor heat.
- [NTSB ANC22FA053](https://openairdocs.org/ntsb/ANC22FA053.md): Champion 7EC · Valdez, AK · Accident · 1 fatal · Class 3 · Field · Final report · Jul 12, 2022 · N4340C · Destroyed
  > The pilot’s decision to continue visual flight rules flight into instrument meteorological conditions which resulted in loss of control and collision with terrain.
- [NTSB ANC21LA034](https://openairdocs.org/ntsb/ANC21LA034.md): Cessna 140 · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Apr 25, 2021 · N1685V · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing and his excessive braking which resulted in a nose-over.
- [NTSB ANC19LA054](https://openairdocs.org/ntsb/ANC19LA054.md): Piper PA 18 · Beluga, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 23, 2019 · N7071B · Substantial damage
  > The pilot’s decision to perform a takeoff with an overweight float-equipped airplane, which resulted in diminished climb performance.
- [NTSB GAA18CA398](https://openairdocs.org/ntsb/GAA18CA398.md): Aeronca 7CCM · Palmer, AK · Accident · No injuries · Data collection · Final report · Jul 7, 2018 · N81768 · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing, an attempted go-around, and a subsequent nose-over.
- [NTSB ANC17FA012](https://openairdocs.org/ntsb/ANC17FA012.md): Piper PA 11 · Aniak, AK · Accident · 2 fatal · Field investigation · Final report · Dec 16, 2016 · N5028H · Substantial damage
  > The pilot's intentional flight of the airplane into terrain in an act of suicide.
- [NTSB ANC16CA066](https://openairdocs.org/ntsb/ANC16CA066.md): Piper PA 18 · McGrath, AK · Accident · No injuries · Data collection · Final report · Sep 18, 2016 · N5773D · Substantial damage
  > The pilot's excessive taxi speed, which resulted in a loss of control and subsequent nose over.
- [NTSB ANC16FA065](https://openairdocs.org/ntsb/ANC16FA065.md): Hefty Polar Cub · Anchorage, AK · Accident · 1 fatal · Field investigation · Final report · Sep 11, 2016 · N62905 · Destroyed
  > The pilot's severe impairment from carbon monoxide poisoning in flight, which resulted in a loss of control and a subsequent collision with trees and terrain.
- [NTSB ANC16CA058](https://openairdocs.org/ntsb/ANC16CA058.md): Piper J5A · Sterling, AK · Accident · No injuries · Data collection · Final report · Aug 25, 2016 · N35589 · Substantial damage
  > The pilot's improper fuel management, which led to fuel exhaustion and a subsequent forced landing on a road too narrow for the airplane.
- [NTSB ANC12CA044](https://openairdocs.org/ntsb/ANC12CA044.md): Silvaire Luscombe 8F · Tok, AK · Accident · No injuries · Data collection · Final report · May 30, 2012 · N9906C · Substantial damage
  > The pilot's inadvertent and excessive application of brake pressure during landing, which resulted in a nose over.
- [NTSB ANC10CA092](https://openairdocs.org/ntsb/ANC10CA092.md): Piper J5A · Chickaloon, AK · Accident · Minor injuries · Data collection · Final report · Sep 11, 2010 · N35589 · Substantial damage
  > The pilot's excessive use of brakes during a rejected takeoff, resulting in a nose over.
- [NTSB ANC10FA076](https://openairdocs.org/ntsb/ANC10FA076.md): Piper PA-11 · Willow, AK · Accident · 2 fatal · Field investigation · Final report · Aug 25, 2010 · N78831 · Substantial damage
  > The pilot’s failure to maintain adequate airspeed, which resulted in an aerodynamic stall/spin and impact with the ground.
- [NTSB ANC10CA070](https://openairdocs.org/ntsb/ANC10CA070.md): Champion 7EC · Soldotna, AK · Accident · No injuries · Data collection · Final report · Aug 18, 2010 · N4697E · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the initial climb.
- [NTSB ANC09CA096](https://openairdocs.org/ntsb/ANC09CA096.md): Piper PA-18 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Sep 5, 2009 · N5773D · Substantial damage
  > The pilot’s decision to land on unsuitable terrain, which resulted in a loss of control and a collision with trees.
- [NTSB ANC09CA037](https://openairdocs.org/ntsb/ANC09CA037.md): Cessna 140 · Haines, AK · Accident · No injuries · Data collection · Final report · May 5, 2009 · N1685V · Substantial damage
  > The pilot's decision to practice takeoff and landings on unsuitable terrain, which resulted in a nose-over on takeoff.
- [NTSB ANC05LA149](https://openairdocs.org/ntsb/ANC05LA149.md): Champion 7EC · Wasilla, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 22, 2005 · N4384C · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering over wildlife, which resulted in an uncontrolled descent and subsequent collision with trees. A factor contributing to the accident was an inadvertent stall.
- [NTSB ANC05CA024](https://openairdocs.org/ntsb/ANC05CA024.md): Piper PA-19 · Big Lake, AK · Accident · No injuries · Data collection · Final report · Jan 22, 2005 · N5417H · Substantial damage
  > The pilot's selection of an unsuitable takeoff/landing/taxi area, which resulted in an on-ground encounter with a berm, a loss of control on the ground, and collapse of the main landing gear. Factors associated with the accident were flat light conditions,…
- [NTSB ANC05CA011](https://openairdocs.org/ntsb/ANC05CA011.md): Champion 7FC · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Oct 30, 2004 · N4851E · Substantial damage
  > The instructor pilot's inadequate supervision of the student, which resulted in a loss of control during the landing roll, and subsequent nose over.
- [NTSB ANC04CA105](https://openairdocs.org/ntsb/ANC04CA105.md): Piper PA-18 · Healy, AK · Accident · No injuries · Data collection · Final report · Sep 6, 2004 · N7472D · Substantial damage
  > The pilot's inadequate compensation for wind conditions, and failure to maintain directional control of the airplane during the takeoff roll, which resulted in a collision with vegetation and a nose over. A factor contributing to the accident was a tailwind.
- [NTSB ANC04CA082](https://openairdocs.org/ntsb/ANC04CA082.md): Piper J3C · Palmer, AK · Accident · Minor injuries · Data collection · Final report · Jul 22, 2004 · N3458N · Substantial damage
  > The pilot's inadequate evaluation of the wind conditions which resulted in an encounter with a downdraft during the takeoff/initial climb, and subsequent collision with trees and terrain. Factors contributing to the accident were the presence of a downdraft,…
- [NTSB ANC03FAMS1](https://openairdocs.org/ntsb/ANC03FAMS1.md): Alon A-2 (Aircoupe) · Ketchikan, AK · Accident · 2 fatal · Missing aircraft · Final report · Aug 17, 2003 · N6520Q · Destroyed
  > Undetermined..
- [NTSB ANC03LA058](https://openairdocs.org/ntsb/ANC03LA058.md): Cessna 140A · Anchorage, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 11, 2003 · N9667A · Substantial damage
  > The pilot's excessive application of the brakes during the landing roll of a short field landing, which resulted in the airplane nosing over.
- [NTSB ANC01LA038](https://openairdocs.org/ntsb/ANC01LA038.md): Forney F-1A · Whittier, AK · Accident · No injuries · Limited investigation · Final report · Feb 24, 2001 · N3032G · Substantial damage
  > The pilot's inadequate preflight planning/preparation, and his selection of unsuitable terrain for landing. A factor in the accident was snow-covered terrain.
- [NTSB ANC99LA136](https://openairdocs.org/ntsb/ANC99LA136.md): Piper PA-18 · Cordova, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 1999 · N9130D · Substantial damage
  > The pilot's failure to avoid obstructions during takeoff. A factor associated with this accident was the high brush along the river bank.
- [NTSB ANC99LA089](https://openairdocs.org/ntsb/ANC99LA089.md): Cessna 140 · Sitka, AK · Accident · No injuries · Limited investigation · Final report · Jul 4, 1999 · N3579V · Substantial damage
  > The pilot's inadequate compensation for crosswind conditions. Factors in the accident were a crosswind, and the pilot's lack of total experience in the type of airplane.
- [NTSB ANC99LA050](https://openairdocs.org/ntsb/ANC99LA050.md): Luscombe L-8F · Kodiak, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 26, 1999 · N45627 · Substantial damage
  > The pilot's inadequate terrain clearance during the initial climb, and the inadvertent stall/spin during the turn to avoid terrain. A factor in this accident was the pilot exceeding the allowable maximum gross weight of the airplane.
- [NTSB ANC97LA021](https://openairdocs.org/ntsb/ANC97LA021.md): Hefty Polar CUB · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jan 15, 1997 · N62905 · Substantial damage
  > failure of the pilot to maintain sufficient altitude/clearance from a snow berm during the landing. The snow berm and flat light conditions were related factors.
- [NTSB ANC94LA025](https://openairdocs.org/ntsb/ANC94LA025.md): Aeronca BL-7AC · Circle City, AK · Accident · Serious injuries · Limited investigation · Final report · Dec 9, 1993 · N84903 · Substantial damage
  > The pilot in commands intentional flight into known adverse weather conditions which lead to an inadvertent aerodynamic stall of the aircraft. Factors contributing to the accident were the ice fog and the icing conditions.
- [NTSB ANC93LA001](https://openairdocs.org/ntsb/ANC93LA001.md): Champion 7EC · Eureka, AK · Accident · No injuries · Limited investigation · Final report · Oct 2, 1992 · N4392C · Substantial damage
  > The pilot-in command's inadequate preflight inspection which resulted in a power loss due to ice in the fuel system.
- [NTSB ANC92FA162](https://openairdocs.org/ntsb/ANC92FA162.md): Champion 7EC · Seward, AK · Accident · 2 fatal · Field investigation · Final report · Sep 11, 1992 · N4362C · Destroyed
  > The pilot-in-command's failure to maintain an adequate altitude in mountainous terrain, in moderate-to-severe turbulent conditions, which resulted in a loss of control. In addition, the pilot was physically impaired due to alcohol. Factors contributing to the…
- [NTSB ANC92LA075](https://openairdocs.org/ntsb/ANC92LA075.md): Aeronca Champion 7CCM · Willow, AK · Accident · Minor injuries · Limited investigation · Final report · May 22, 1992 · N82568 · Destroyed
  > The complete failure of the connecting rod. Factors were the high vegetation and the pilot not maintaining a proper altitude to successfully complete a forced landing.
- [NTSB ANC91LA101](https://openairdocs.org/ntsb/ANC91LA101.md): Aeronca 7AC · Chataniak Vly, AK · Accident · No injuries · Limited investigation · Final report · Jul 17, 1991 · N84903 · Substantial damage
  > Partial loss of engine power for an undetermined reason.
- [NTSB ANC90LA038](https://openairdocs.org/ntsb/ANC90LA038.md): Piper PA-11 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Mar 9, 1990 · N42239 · Substantial damage
  > Pilot-in-command's failure to maintain airplane control.
- [NTSB ANC89LA180](https://openairdocs.org/ntsb/ANC89LA180.md): Piper PA-18 · Windy Fork, AK · Accident · No injuries · Limited investigation · Final report · Oct 1, 1989 · N4579A · Substantial damage
  > Improper planning/decision by the pilot.
- [NTSB ANC89FA143](https://openairdocs.org/ntsb/ANC89FA143.md): Piper PA-19 · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Aug 19, 1989 · N5417H · Substantial damage
  > Operation with a known deficiency in the aircraft and water contamination of the fuel due to inadequate preflight preparation by the pilot. Factors related to the accident were: lack of suitable terrain for a forced landing and tree(s).
- [NTSB ANC89LA136](https://openairdocs.org/ntsb/ANC89LA136.md): Cessna 140 · Sparrevohn, AK · Accident · No injuries · Limited investigation · Final report · Aug 10, 1989 · N1118D · Substantial damage
  > Pilot-in-command's failure to maintained directional control of the airplane during takeoff. The misjudged terrain was a contributing factor in the eventual outcome.
- [NTSB ANC89LA135](https://openairdocs.org/ntsb/ANC89LA135.md): Piper J3C-65 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Aug 5, 1989 · N8726R · Substantial damage
  > The pilot failed to maintain directional control and inadvertently allowed the aircraft to ground loop.
- [NTSB ANC89LA087](https://openairdocs.org/ntsb/ANC89LA087.md): Piper PA-18-100 · Knik River, AK · Accident · No injuries · Limited investigation · Final report · Jun 10, 1989 · N7291K · Substantial damage
  > The failure of the pilot-in-command to maintain control of the airplane on the ground by proper use of the flight controls during gusting winds.
- [NTSB ANC89LA047](https://openairdocs.org/ntsb/ANC89LA047.md): Piper PA-11 · Igiugig, AK · Accident · No injuries · Limited investigation · Final report · Feb 23, 1989 · N78627 · Substantial damage
  > The pilot's failure to maintain control of the airplane and his failure to understand the performance parameters of his airplane.
- [NTSB ANC87FA112](https://openairdocs.org/ntsb/ANC87FA112.md): Piper PA-18 · Anchorage, AK · Accident · Serious injuries · Field investigation · Final report · Jul 31, 1987 · N5416H · Substantial damage
  > Two certificated flight instructors intended to practice landings in a tail wheel airplane. Shortly after the first take off, the PIC stated that there was an abrupt loss of power. The airplane was unable to return to the airport and crashed on a residential…
- [NTSB ANC87LA096](https://openairdocs.org/ntsb/ANC87LA096.md): Aeronca 7AC · Mcneil Cove, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 1987 · N4322E · Substantial damage
  > The pilot and his passenger were flying at approximately 150 feet above the water near the shoreline when the pilot made a steep left climbing turn. The airplane stalled and crashed into the water. The pilot was not rated to fly seaplanes. No mechanical…
- [NTSB ANC87FA031](https://openairdocs.org/ntsb/ANC87FA031.md): Champion 7EC · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Feb 4, 1987 · N7539B · Substantial damage
  > The pilot-in-command accomplished unauthorized repairs to his airplane after an incident four days earlier. He repaired the right main landing gear by using a common door hinge to attach it to the fuselage. Upon landing, the door hinge failed and control of…
- [NTSB ANC87FA033](https://openairdocs.org/ntsb/ANC87FA033.md): Champion 7EC · Kenai, AK · Accident · No injuries · Field investigation · Final report · Jan 31, 1987 · N7539B · Substantial damage
  > The pilot allowed the wing tip to descend into brush and willows while turning to avoid obscured sky conditions. The turn was downwind and the airplane stalled and struck the snow while skidding sideways.
- [NTSB ANC87LA019](https://openairdocs.org/ntsb/ANC87LA019.md): Piper PA-18 · Shageluk, AK · Accident · No injuries · Limited investigation · Final report · Dec 7, 1986 · N9940D · Substantial damage
  > The pilot stated he encountered freezing rain and due to the build-up on the aircraft, he stalled and crashed in an open area next to the airport.
- [NTSB ANC86LA047](https://openairdocs.org/ntsb/ANC86LA047.md): Piper J3C-65 · Yentna River, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 24, 1986 · N170CH · Substantial damage
  > The pilot stated that the aircraft began to settle; airspeed was 60 mph. The aircraft would not recover altitude with full power. The aircraft stalled and struck tree tops.
- [NTSB ANC85LA045](https://openairdocs.org/ntsb/ANC85LA045.md): Piper PA-11 · Soldotna, AK · Accident · Minor injuries · Limited investigation · Final report · Feb 8, 1985 · N4523M · Substantial damage
  > The plt stated a gust of wind forced the left wing up as the acft touched down. Fuul pwr was added to go around. The acft continued to veer to the right until it stalled and impacted the ground in a nose low attitude aprx 100 yards south of the rwy. Winds…
- [NTSB ANC84FA132](https://openairdocs.org/ntsb/ANC84FA132.md): Aeronca 7CCM · Kotzebue, AK · Accident · 2 fatal · Field investigation · Final report · Aug 2, 1984 · N83138 · Destroyed
  > The plt & one pax departed on a pleasure flt from kiana, AK on 8/1/84. Four days later, the plt's mother traveled to Kotzebue, AK, to look for her son. She was unable to locate him & notified the FAA. A search was initiated, & on 8/6/84,the acft was located…
- [NTSB ANC84FA044](https://openairdocs.org/ntsb/ANC84FA044.md): Champion 7EC · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Mar 12, 1984 · N4374C · Substantial damage
  > The acft swerved and collided with a snowbank during landing. The wind was calm and the rwy dry. After the collision the right landing gear collapsed.
- [NTSB ANC83LA105](https://openairdocs.org/ntsb/ANC83LA105.md): Piper J-3 · Skwentna, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 1983 · N87822 · Substantial damage
  > The pilot stated that he approached the river on final at 60 mph in a 5 degree bank to follow the curve of the water. When he dropped below trees at about 50 ft AGL the left wing stalled. He added full power and lowered the nose but the left wing hit the…

Next page: https://openairdocs.org/ntsb.md?engine=17009&state=AK&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17009'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17009&state=AK

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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.