# NTSB investigations: Allison T63 series

A list on [Allison T63 series](https://openairdocs.org/engine/allison-t63-series.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB CEN23LA147](https://openairdocs.org/ntsb/CEN23LA147.md): Bell OH-58A · Wade, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N82851 · Substantial damage
  > The total loss of engine power due to fuel contamination.
- [NTSB WPR23LA107](https://openairdocs.org/ntsb/WPR23LA107.md): Bell OH-58A · Yuma, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2023 · N36FA · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ERA22LA341](https://openairdocs.org/ntsb/ERA22LA341.md): Garlick OH-58A+ · Bloomsburg, PA · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2022 · N132HD · Substantial damage
  > The pilot's inadequate preflight planning and visual lookout, which resulted in impact with a powerline.
- [NTSB WPR22LA140](https://openairdocs.org/ntsb/WPR22LA140.md): Bell OH-58A · Merced, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 1, 2022 · N9287U · Substantial damage
  > The pilot’s failure to see and avoid wires while conducting an aerial application flight, which resulted in a wire strike and ground impact.
- [NTSB WPR22LA032](https://openairdocs.org/ntsb/WPR22LA032.md): Bell OH-58A · Holtville, CA · Accident · No injuries · Class 4 · Limited · Final report · Nov 9, 2021 · N902SF · Substantial damage
  > The pilot’s failure to maintain helicopter control after becoming spatially disoriented when the helicopter entered low-level haze/fog.
- [NTSB CEN21LA225](https://openairdocs.org/ntsb/CEN21LA225.md): Bell OH58A · Ulysses, KS · Accident · 1 fatal · Class 3 · Limited · Final report · May 18, 2021 · N176SJ · Destroyed
  > The pilot’s failure to maintain clearance from a power line during the aerial application flight, which resulted in collision with the power line and subsequent impact with terrain.
- [NTSB WPR20CA092](https://openairdocs.org/ntsb/WPR20CA092.md): Bell OH 58A · Colexico, CA · Accident · No injuries · Data collection · Final report · Feb 19, 2020 · N288NS · Substantial damage
  > The pilot's failure to arrest the descent rate while maneuvering at low altitude, which resulted in impact with terrain.
- [NTSB CEN18LA183](https://openairdocs.org/ntsb/CEN18LA183.md): Hughes 369A · Stoneburg, TX · Accident · Serious injuries · Limited investigation · Final report · May 19, 2018 · N369GK · Destroyed
  > The pilot's unsafe and aggressive operation of the helicopter at low altitude, which resulted in impact with trees.
- [NTSB WPR18LA140](https://openairdocs.org/ntsb/WPR18LA140.md): Bell OH 58C · Yuma, AZ · Accident · No injuries · Class 3 · Limited · Final report · May 12, 2018 · N82857 · Substantial damage
  > A partial loss of engine power during an aerial application flight due to thermal damage to the 1st stage gas producer turbine nozzle and an irregular fuel spray pattern due to carbon buildup of the fuel nozzle. Contributing to the accident was maintenance…
- [NTSB ERA17LA032](https://openairdocs.org/ntsb/ERA17LA032.md): Bell OH 58C · Cameron, NC · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 2016 · N139RD · Substantial damage
  > An in-flight failure of a main rotor blade due to fatigue cracks. Contributing to the failure of the main rotor blade was the absence of guidance to the operator to inspect an area of the main rotor blade known to be susceptible to fatigue cracks and the…
- [NTSB CEN16LA289](https://openairdocs.org/ntsb/CEN16LA289.md): Bell OH 58A · Lake Mills, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2016 · N288NS · Substantial damage
  > The pilot's inadequate visual lookout, which resulted in a wire strike.
- [NTSB GAA16CA372](https://openairdocs.org/ntsb/GAA16CA372.md): Bell OH 58 · Surprise, AZ · Accident · Minor injuries · Data collection · Final report · Jul 10, 2016 · N588MP · Substantial damage
  > While at a low altitude, the pilot's decision to do an abrupt descending right downwind turn which resulted in flying through his own vortices and an impact with terrain.
- [NTSB CEN14LA022](https://openairdocs.org/ntsb/CEN14LA022.md): Bell OH-58C · Omaha, TX · Accident · No injuries · Limited investigation · Final report · Oct 23, 2013 · N911CC · Substantial damage
  > The pilot’s failure to assess and compensate for the landing surface, which included high grass and loose dirt.
- [NTSB WPR12LA371](https://openairdocs.org/ntsb/WPR12LA371.md): Arrow Falcon Exporters OH58 · Escalon, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 2012 · N503DR · Substantial damage
  > The pilot’s failure to maintain clearance from trees during a low-altitude agricultural application, which resulted in a loss of control and impact with the ground.
- [NTSB WPR12LA096](https://openairdocs.org/ntsb/WPR12LA096.md): Arrow Falcon Exporters OH-58A · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Jan 21, 2012 · N902SF · Substantial damage
  > The failure of the main rotor mast due to fatigue cracks that originated from corrosion pits. Contributing to the accident was the operator’s failure to adhere to the manufacturer’s recommended overhaul interval for the main rotor mast.
- [NTSB ERA10LA499](https://openairdocs.org/ntsb/ERA10LA499.md): Bell OH-58A · Taylorsville, MS · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 2010 · N132HD · Substantial damage
  > A total loss of engine power while maneuvering at low altitude for undetermined reasons.
- [NTSB WPR10LA126](https://openairdocs.org/ntsb/WPR10LA126.md): Arrow Falcon Exporters OH-58A · Escalon, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 2, 2010 · N9286U · Substantial damage
  > A loss of engine power during cruise flight due to the fatigue failure of the pneumatic fuel-to-governor control line. Also causal was the inadequate installation of the pneumatic line by maintenance personnel, and the pilot’s decision to continue flight with…
- [NTSB ERA09CA090](https://openairdocs.org/ntsb/ERA09CA090.md): Bell OH-58C · Osceola County, FL · Accident · No injuries · Data collection · Final report · Dec 15, 2008 · N659HA · Substantial damage
  > The pilot's misjudgment of altitude during low-altitude spraying operations, which resulted in an in-flight collision with water.
- [NTSB LAX08CA054](https://openairdocs.org/ntsb/LAX08CA054.md): Bell OH-58A · Brawley, CA · Accident · No injuries · Data collection · Final report · Jan 30, 2008 · N902SF · Substantial damage
  > The pilot's failure to maintain clearance from obstacles. A factor in the accident was the dark night conditions.
- [NTSB SEA08LA020](https://openairdocs.org/ntsb/SEA08LA020.md): Arrow Falcon Exporters OH-58+ · Cougar, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 6, 2007 · N831SD · Substantial damage
  > The pilot's failure to maintain clearance from a nearby tree while performing a hover-climb. Factors include his failure to maintain clearance from his long-line cable, and his likely diverted attention to the entanglement of the cable on the helicopter's…
- [NTSB DFW06LA027](https://openairdocs.org/ntsb/DFW06LA027.md): Arrow Falcon Exporters Arrow F OH-58A · West Memphis, AR · Accident · 1 fatal · Limited investigation · Final report · Nov 5, 2005 · N331TA · Destroyed
  > The loss of engine power due to a disconnected pneumatic (Pc) line. A contributing factor was the ravine.
- [NTSB LAX05FA264](https://openairdocs.org/ntsb/LAX05FA264.md): San Joaquin Helicopters OH-58A+ · Lancaster, CA · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2005 · N177SJ · Substantial damage
  > The pinion to turbine shaft coupling failed in fatigue due to a misaligned turbine shaft, which resulted in a loss of engine power.
- [NTSB DFW05LA190](https://openairdocs.org/ntsb/DFW05LA190.md): Bell 47G-4A · Black Oak, AR · Accident · No injuries · Limited investigation · Final report · Jul 15, 2005 · N4087L · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB NYC04LA122](https://openairdocs.org/ntsb/NYC04LA122.md): Garlick Helicipters OH-58A · Columbia, ME · Accident · No injuries · Limited investigation · Final report · May 13, 2004 · N59MH · Substantial damage
  > A partial loss of engine power for undetermined reasons, which resulted in a forced landing during cruise flight.
- [NTSB LAX02LA032](https://openairdocs.org/ntsb/LAX02LA032.md): McDonnell Douglas 369HS · Pacific Ocean (Pacific Ocean) · Accident · Minor injuries · Limited investigation · Final report · Nov 23, 2001 · N4265D · Destroyed
  > A dynamic roll over due to the pilot's inadequate preflight inspection and failure to ensure that all tiedowns were removed. A factor in the accident may have been the lack of clear communications between the pilot and the shipboard helper assigned as the…
- [NTSB MIA00LA227](https://openairdocs.org/ntsb/MIA00LA227.md): Bell 206A-1 · Bennettsville, SC · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2000 · N136C · Substantial damage
  > The pilot's failure to use proper remedial action to counteract a loss of tail rotor effectiveness resulting in collision with terrain during the subsequent uncontrolled descent.
- [NTSB LAX00LA076](https://openairdocs.org/ntsb/LAX00LA076.md): Bell OH-58C · Brawley, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 2000 · N436SD · Substantial damage
  > The fuel system contamination that resulted in a loss of engine power during aerial application and a subsequent collision with the ground.
- [NTSB LAX99LA319](https://openairdocs.org/ntsb/LAX99LA319.md): Bell OH58A · Salinas, CA · Accident · No injuries · Limited investigation · Final report · Sep 18, 1999 · N5800K · Substantial damage
  > The pilot's failure to maintain an adequate clearance from all ground obstacles during a low altitude aerial application flight.
- [NTSB LAX98LA134](https://openairdocs.org/ntsb/LAX98LA134.md): Bell OH-58A · Huron, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 9, 1998 · N176SJ · Substantial damage
  > A loss of engine power due to deteriorated O-ring seals in the fuel boost pump, which allowed air to enter the fuel lines. Factors in the accident were the inadequate manufacturer's inspection criteria for the fuel boost pump O-ring seals and the resulting…

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('03031')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/allison-t63-series/ntsb

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