# NTSB investigations, AK: Aircraft loading event

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.

## Latest cases

- [NTSB ANC23FA074](https://openairdocs.org/ntsb/ANC23FA074.md): Piper PA-18-150 · St. Mary's, AK · Accident · 1 fatal · Class 2 · Field · Final report · Sep 13, 2023 · N109T · Substantial damage
  > The pilot’s decision to operate the airplane above its maximum certificated gross weight, and his installation of an unapproved external load that degraded takeoff performance and flight characteristics resulting in a loss of airplane control during takeoff…
- [NTSB ANC20LA077](https://openairdocs.org/ntsb/ANC20LA077.md): Cessna 180 · Kenai, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 5, 2020 · N9712G · Substantial damage
  > The pilot’s improper decision to place a passenger and baggage in the rear baggage compartment, which resulted in an aft center of gravity, an increase in directional instability, and affected the pilot’s ability to maintain directional control, resulting in…
- [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 GAA18CA534](https://openairdocs.org/ntsb/GAA18CA534.md): Robinson R44 · Girdwood, AK · Accident · No injuries · Data collection · Final report · Aug 30, 2018 · N99645 · Substantial damage
  > The fisherman's fishing rod striking the helicopter’s rotating main rotor disk during loading.
- [NTSB ANC18FA055](https://openairdocs.org/ntsb/ANC18FA055.md): De Havilland DHC-2 · Willow, AK · Accident · 1 fatal · Class 2 · Field · Final report · Jul 19, 2018 · N9878R · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack during departure climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's improper decision to load the airplane beyond its allowable gross weight and center…
- [NTSB ANC17LA033](https://openairdocs.org/ntsb/ANC17LA033.md): Piper PA 12 · Skwentna, AK · Accident · No injuries · Class 2 · Limited · Final report · Jun 17, 2017 · N4018H · Destroyed
  > The pilot's failure to properly secure the external load, which resulted in the load shifting during flight, interference with the water rudder cable, and a subsequent loss of control
- [NTSB ANC14FA068](https://openairdocs.org/ntsb/ANC14FA068.md): Ryan Navion A · Coldfoot, AK · Accident · Serious injuries · Field investigation · Final report · Aug 24, 2014 · N4827K · Substantial damage
  > The pilot’s improper inflight planning and improper decision to deliberately operate the airplane at low altitude in close proximity to obstructions and rising terrain. Contributing to the accident were the pilot’s improper preflight planning and the Federal…
- [NTSB ANC14LA058](https://openairdocs.org/ntsb/ANC14LA058.md): Dehavilland DHC 2 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jul 31, 2014 · N62197 · Substantial damage
  > The pilot’s inadequate preflight inspection that did not detect that the bulk fuel tank was full and led to an unanticipated heavy airplane weight and his failure to use the entire soft, wet, and muddy airstrip length for takeoff, which resulted in a takeoff…
- [NTSB ANC14CA012](https://openairdocs.org/ntsb/ANC14CA012.md): Douglas DC-6 · Nuiqsut, AK · Accident · No injuries · Data collection · Final report · Nov 25, 2013 · N100CE · Substantial damage
  > A load shift during takeoff, which resulted in substantial damage to the aft bulkhead and associated structures.
- [NTSB ANC12CA018](https://openairdocs.org/ntsb/ANC12CA018.md): Robinson Helicopter R44 II · Beluga, AK · Accident · No injuries · Data collection · Final report · Jan 21, 2012 · N4510T · Substantial damage
  > Ground personnel's movement of cargo in windy conditions, which allowed a previously secured cargo sack to blow into the main rotor blades.
- [NTSB ANC10CA090](https://openairdocs.org/ntsb/ANC10CA090.md): Cessna 150L · Kenai, AK · Accident · No injuries · Data collection · Final report · Sep 12, 2010 · N1612Q · Substantial damage
  > The pilot's decision to takeoff from a remote lake after overloading the airplane. Contributing to the accident was the pilot's lack of a seaplane rating.
- [NTSB ANC10FA048](https://openairdocs.org/ntsb/ANC10FA048.md): Cessna U206F · Anchorage, AK · Accident · 1 fatal · Field investigation · Final report · Jun 2, 2010 · N59352 · Substantial damage
  > The pilot’s decision to load the airplane well beyond its allowable weight and center of gravity limits, resulting in a loss of control during the initial climb. Contributing to the severity of the injuries was the pilot’s decision to allow two child…
- [NTSB ANC09LA038](https://openairdocs.org/ntsb/ANC09LA038.md): Cessna TU206 · Bethel, AK · Accident · Minor injuries · Limited investigation · Final report · May 6, 2009 · N629SP · Substantial damage
  > The pilot’s failure to remove visible frost from the wings during the preflight inspection, and his failure to maintain adequate airspeed to avoid a stall. Contributing to the accident were conditions conducive to structural icing/frost.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '010' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/010/sequence?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.
