# NTSB investigations, 2021: 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 CEN22LA078](https://openairdocs.org/ntsb/CEN22LA078.md): Bell Helicopter Textron Canada 407 · Bridgeport, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 14, 2021 · N862YB · Substantial damage
  > The pilot’s failure to maintain adequate main rotor RPM during an autorotation which resulted in a hard landing. Contributing to the accident was the pilot’s improper placement of the throttle during the initial practice power-on recovery autorotation.
- [NTSB WPR22LA007](https://openairdocs.org/ntsb/WPR22LA007.md): Schweizer SGS 2-32 · San Juan Baptista, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 9, 2021 · N87R · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which necessitated a forced landing.
- [NTSB CEN21LA471](https://openairdocs.org/ntsb/CEN21LA471.md): Just Highlander · West Cobb, AR · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 29, 2021 · N419SD · Substantial damage
  > The airplane’s encounter with gusting wind conditions and low-level wind shear on final approach, which resulted in a loss of control, an aerodynamic stall, and a subsequent hard landing.
- [NTSB WPR21LA290](https://openairdocs.org/ntsb/WPR21LA290.md): Burkhart Grob G 103 Twin II · Levan, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 25, 2021 · N4446Y · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight which resulted in an off-airport landing and a collision with a fence.
- [NTSB ERA21LA280](https://openairdocs.org/ntsb/ERA21LA280.md): Piper PA28 · Bishopville, SC · Accident · No injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N1592J · Substantial damage
  > The flight instructor’s inadequate supervision of the student during a go-around, which resulted in a loss of lift and a subsequent collision with the VASI lights.
- [NTSB WPR21LA235](https://openairdocs.org/ntsb/WPR21LA235.md): HPH Glasflugel · Winthrop, WA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N974CQ · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB ERA21LA276](https://openairdocs.org/ntsb/ERA21LA276.md): Schweizer SGS 1-26E · Willimantic, CT · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 17, 2021 · N2517H · Substantial damage
  > The failure of the student to achieve the proper touchdown point resulting in landing undershoot.
- [NTSB ERA21LA395](https://openairdocs.org/ntsb/ERA21LA395.md): Schempp Hirth Ventus C · Wagener, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 22, 2021 · N571RD · Substantial damage
  > Impact with trees during a forced landing in atmospheric lift conditions that were insufficient to maintain flight. Contributing was the pilot’s delayed decision to return to the airport.

## 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 year(c."eventDate") = 2021
  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?year=2021

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