# NTSB investigations, TN: Preflight or dispatch 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 ERA25LA114](https://openairdocs.org/ntsb/ERA25LA114.md): Cessna 172P · Clarksville, TN · Accident · No injuries · Class 3 · Limited · Final report · Feb 3, 2025 · N62112 · Substantial damage
  > The flight instructor’s inadequate preflight inspection of the airplane, which allowed the partially secured engine cowl to separate in flight.
- [NTSB ERA19LA004](https://openairdocs.org/ntsb/ERA19LA004.md): Piper PA 24-180 · Smithville, TN · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 2018 · N8371P · Substantial damage
  > A total loss of engine power during initial climb due to carburetor ice that formed during an extended ground delay.
- [NTSB ERA18LA199](https://openairdocs.org/ntsb/ERA18LA199.md): Cessna 182 · Cleveland, TN · Accident · 1 fatal · Limited investigation · Final report · Jul 26, 2018 · N1311S · No damage
  > The undetected wear of the ignition switch and key, which allowed removal of the key from an intermediate position and subsequently led to an unintended engine start-up. Contributing to the undetected wear of the 42-year-old ignition switch was the lack of…
- [NTSB ERA16LA003](https://openairdocs.org/ntsb/ERA16LA003.md): Beech S35 · Knoxville, TN · Accident · Serious injuries · Class 2 · Limited · Final report · Oct 7, 2015 · N449CT · Substantial damage
  > The pilot's inadequate preflight weather planning and his improper decision to attempt a visual flight rules flight in night instrument metrological conditions, which resulted in spatial disorientation and subsequent collision with terrain.
- [NTSB ERA14FA461](https://openairdocs.org/ntsb/ERA14FA461.md): Eagle R&D Helicycle · Gallatin, TN · Accident · 1 fatal · Field investigation · Final report · Sep 28, 2014 · N7062U · Substantial damage
  > The pilot's decision to fly the improperly balanced helicopter at high speed and low altitude, which resulted in a loss of control and collision with terrain. Contributing to the accident were the pilot's depression and resulting degradation of executive…
- [NTSB ERA14CA458](https://openairdocs.org/ntsb/ERA14CA458.md): Beech C90 · Oneida, TN · Accident · No injuries · Data collection · Final report · Sep 25, 2014 · N211PC · Substantial damage
  > The pilot's failure to properly configure the rudder trim for takeoff and his failure to maintain directional control during a precautionary landing, which resulted in a runway excursion and collision with terrain.
- [NTSB ERA13FA017](https://openairdocs.org/ntsb/ERA13FA017.md): Arion Lightning · Chuckey, TN · Accident · Serious injuries · Field investigation · Final report · Oct 11, 2012 · N290AL · Substantial damage
  > The pilot’s inadequate preflight planning, which resulted in an attempted takeoff at a high gross weight, near the limit of its aft center of gravity, and with the airplane incorrectly configured with fully extended flaps. Contributing to the accident was the…
- [NTSB ERA12CA585](https://openairdocs.org/ntsb/ERA12CA585.md): Piper PA-28-140 · Maryville, TN · Accident · No injuries · Data collection · Final report · Sep 22, 2012 · N56796 · Substantial damage
  > The pilot’s failure to plan and execute a takeoff that assured obstacle clearance at the departure end of the runway, which resulted in a collision with trees.

## 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" = 'TN' 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" = '030' 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/030/sequence?state=TN

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