# NTSB investigations: Allison T63 series: Low altitude operation/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 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 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 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 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.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03031')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '220'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/220/cases?engine=03031

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