# NTSB investigations, 2020: 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 WPR21WA047](https://openairdocs.org/ntsb/WPR21WA047.md): Air Tractor AT502 · Semera, Ethiopia · Accident · Minor injuries · Class 5 · Foreign · Oct 2, 2020 · ET-AYJ · Destroyed
- [NTSB WPR20CA273](https://openairdocs.org/ntsb/WPR20CA273.md): Schweizer SGS233 · Warner Springs, CA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 14, 2020 · N7547 · Substantial damage
  > The pilot's inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.
- [NTSB CEN20CA307](https://openairdocs.org/ntsb/CEN20CA307.md): Vans Vans RV 6 · Imperial, NE · Accident · Serious injuries · Class 4 · Data collection · Final report · Jul 25, 2020 · N327WB · Substantial damage
  > The pilot's inadequate preflight performance planning and his decision not to utilize all available runway during high density altitude operations which led to an inflight loss of control and subsequent collision with terrain.
- [NTSB CEN20CA277](https://openairdocs.org/ntsb/CEN20CA277.md): Kitfox Kitfox Sport · Rand, CO · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 12, 2020 · N702KS · Substantial damage
  > The encounter with the downdrafts during the attempted takeoff, which resulted in decreased airplane's climb performance and subsequent impact with terrain.
- [NTSB GAA20WA117](https://openairdocs.org/ntsb/GAA20WA117.md): American Champion 8KCAB · Lommis, WZ · Accident · No injuries · Foreign investigation · Jun 24, 2020 · HB-KHN · Substantial damage
  > The government of Swaziland has notified the NTSB of an accident involving a AMERICAN Champion 8KCAB airplane that occurred on June 24, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Swaziland's investigation under…
- [NTSB ERA20LA219](https://openairdocs.org/ntsb/ERA20LA219.md): Cessna 152 · McAlpin, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 17, 2020 · N25449 · Substantial damage
  > The pilot’s failure to abort the takeoff after recognizing poor airplane acceleration, the reason for which could not be determined based on available evidence. Contributing to the accident was the pilot’s likely inadvertent initiation of the takeoff with the…
- [NTSB CEN20CA218](https://openairdocs.org/ntsb/CEN20CA218.md): Glasflugel Mosquito · Alvarado, TX · Accident · No injuries · Class 4 · Data collection · Final report · Jun 4, 2020 · N24HC · Substantial damage
  > The pilot's decision to divert to the private airport and his subsequent failure to maintain directional control while landing on a turf runway that contained tall grass.
- [NTSB CEN20LA203](https://openairdocs.org/ntsb/CEN20LA203.md): Magni Magni M 16 · Cape Girardeau, MO · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2020 · N316MG · Substantial damage
  > The student pilot’s decision to take off with inadequate runway remaining, and his subsequent failure to attain proper airspeed, which resulted in the gyroplane’s descent into terrain.
- [NTSB WPR20CA151](https://openairdocs.org/ntsb/WPR20CA151.md): Let L 33 Solo · Arlington, WA · Accident · No injuries · Class 4 · Data collection · Final report · May 11, 2020 · N355BA · Substantial damage
  > The loss of lift while on final approach which resulted in a hard off-airport landing.
- [NTSB ERA20CA178](https://openairdocs.org/ntsb/ERA20CA178.md): Schempp Hirth Ventus 2CT · Stuarts Draft, VA · Accident · Minor injuries · Class 4 · Data collection · Final report · May 11, 2020 · N514TW · Substantial damage
  > A loss of thermal lift during a motor glider flight, which resulted in an off-airport landing. Contributing to the accident was the pilot's delayed attempted engine start.
- [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…

## 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") = 2020
  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=2020

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