# NTSB investigations, TN: Loss of lift

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 ERA20CA151](https://openairdocs.org/ntsb/ERA20CA151.md): Pipistrel Sinus · Townsend, TN · Accident · No injuries · Data collection · Final report · Apr 10, 2020 · N711MK · Substantial damage
  > The motor glider's encounter with atmospheric lift conditions that were not sufficient to maintain flight, which necessitated a forced landing and resulted in impact with vegetation. Contributing to the accident was the pilot's delayed decision to restart the…
- [NTSB GAA16CA479](https://openairdocs.org/ntsb/GAA16CA479.md): Schleicher ASW 27 · Benton, TN · Accident · No injuries · Data collection · Final report · Sep 4, 2016 · N27BZ · Substantial damage
  > The glider pilot's descent below the glidepath and the subsequent hard, off-airport landing.
- [NTSB GAA16CA157](https://openairdocs.org/ntsb/GAA16CA157.md): Cessna 172 · Nashville, TN · Accident · No injuries · Data collection · Final report · Mar 20, 2016 · N118ET · Substantial damage
  > The pilot's excessive pitch up and incorrect action of selecting flaps to zero degrees, which resulted in a tail strike during a go-around in crosswind conditions.
- [NTSB ERA15CA007](https://openairdocs.org/ntsb/ERA15CA007.md): Aeronca 7AC · Maryville, TN · Accident · Minor injuries · Data collection · Final report · Oct 4, 2014 · N85707 · Substantial damage
  > The pilot/owner's failure to maintain a stabilized approach during the final leg of the traffic pattern. Contributing to the accident was both pilot's lack of aeronautical decision making.
- [NTSB ERA15CA005](https://openairdocs.org/ntsb/ERA15CA005.md): HPH 304CZ · Pikeville, TN · Accident · No injuries · Data collection · Final report · Oct 4, 2014 · N304AK · Substantial damage
  > A loss of aerodynamic lift, which resulted in an off-airport landing and subsequent impact with a pole.
- [NTSB ERA11CA288](https://openairdocs.org/ntsb/ERA11CA288.md): Schleicher ASW-27 · Athens, TN · Accident · Minor injuries · Data collection · Final report · May 7, 2011 · N27LX · Substantial damage
  > The pilot's inadequate visual lookout resulting in a collision with power lines while making an off-airport landing.
- [NTSB ERA11CA206](https://openairdocs.org/ntsb/ERA11CA206.md): Rolladen-Schneider LS-3 · Winchester, TN · Accident · Serious injuries · Data collection · Final report · Mar 24, 2011 · N1359 · Substantial damage
  > The glider pilot's delayed response to changing weather conditions, which resulted in an off-airport landing into trees.
- [NTSB ERA10CA176](https://openairdocs.org/ntsb/ERA10CA176.md): Rolladen-Schneider LS-4 · Jasper, TN · Accident · No injuries · Data collection · Final report · Mar 15, 2010 · N465CB · Substantial damage
  > The inadequate in-flight planning by the glider pilot to intentionally cross a ridge at low altitude, resulting in the in-flight collision with trees.
- [NTSB ERA09CA479](https://openairdocs.org/ntsb/ERA09CA479.md): Jonker JS-1B · Tullahoma, TN · Accident · No injuries · Data collection · Final report · Aug 23, 2009 · N504BT · Substantial damage
  > The pilot's failure to maintain a proper glidepath while on approach, resulting in landing short of the runway.

## 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" = '500' 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/500/sequence?state=TN

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