# NTSB investigations: NONE: Aerodynamic stall/spin

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 WPR26LA273](https://openairdocs.org/ntsb/WPR26LA273.md): Schweizer SGS 2-33A · Boulder, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 7, 2026 · N2793H · Substantial damage
  > The pilot’s improper landing flare which resulted in a stall and a hard bounced landing.
- [NTSB ERA25LA336](https://openairdocs.org/ntsb/ERA25LA336.md): Let L-23 Super Blanik · Ridgeland, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 6, 2025 · N231LS · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack which resulted in a loss of control while maneuvering to return for landing after a runway overshoot.
- [NTSB WPR25LA144](https://openairdocs.org/ntsb/WPR25LA144.md): Schweizer SGS 1-26B · Ontario, OR · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 26, 2025 · N8657R · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during the final approach to land, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN24LA331](https://openairdocs.org/ntsb/CEN24LA331.md): Let L 33 Solo · Kingman, KS · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2024 · N133LB · Substantial damage
  > The pilot’s loss of control on short final.
- [NTSB WPR24LA273](https://openairdocs.org/ntsb/WPR24LA273.md): Glasflugel Standard Libelle · Fields, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2024 · N1599 · Substantial damage
  > The glider’s encounter with a gusting wind and downdraft conditions, which resulted in exceedance of the glider’s critical angle of attack, an aerodynamic stall, and a hard landing.
- [NTSB CEN24LA133](https://openairdocs.org/ntsb/CEN24LA133.md): Schweizer SGS 2-33A · Falcon, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 12, 2024 · N2905H · Substantial damage
  > The flight instructor’s failure to maintain control during takeoff which resulted in an aerodynamic stall and an impact with terrain.
- [NTSB CEN23LA254](https://openairdocs.org/ntsb/CEN23LA254.md): Let L-23 Super Blanik · Gregory, MI · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N10BR · Substantial damage
  > The flight instructor’s failure to maintain adequate airspeed and his exceedance of the glider’s critical angle of attack, leading to an aerodynamic stall during the off-field landing.
- [NTSB ERA23LA207](https://openairdocs.org/ntsb/ERA23LA207.md): Schweizer SGS 1-26E · Wake Forest, NC · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 15, 2023 · N33873 · Substantial damage
  > The student pilot’s failure to maintain airspeed during the landing approach, which resulted in an exceedance of the glider’s critical angle of attack, an aerodynamic stall, and a loss of control.
- [NTSB CEN22LA279](https://openairdocs.org/ntsb/CEN22LA279.md): Let L-23 Super Blanik · Yoder, KS · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 22, 2022 · N364BA · Substantial damage
  > The pilot's encounter with sinking air conditions that resulted in a loss of lift and a subsequent loss of control.
- [NTSB ERA21LA327](https://openairdocs.org/ntsb/ERA21LA327.md): Let L-23 Super Blanik · Sterling, MA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 31, 2021 · N373BA · Minor damage
  > The flight instructor’s lack of remedial action, which resulted in an aerodynamic stall in the landing flare and a hard landing.
- [NTSB ERA20LA145](https://openairdocs.org/ntsb/ERA20LA145.md): Schempp Hirth Standard Cirrus · Groveland, FL · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 7, 2020 · N271BL · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack following his premature termination of the tow for reasons that could not be determined, which resulted in an aerodynamic stall/spin during a turn back to the departure airport.
- [NTSB CEN19FA253](https://openairdocs.org/ntsb/CEN19FA253.md): Jonker Sailplanes JS1C · Cotulla, TX · Accident · 1 fatal · Class 3 · Field · Final report · Aug 7, 2019 · N213DT · Destroyed
  > The pilot’s failure to maintain sufficient airspeed of the glider, which resulted in exceedance of the glider's critical angle of attack and an aerodynamic stall/spin.
- [NTSB ERA18FA238](https://openairdocs.org/ntsb/ERA18FA238.md): Schweizer SGS 2 32 · Morrisville, VT · Accident · 3 fatal · Field investigation · Final report · Aug 29, 2018 · N17970 · Substantial damage
  > The pilot's exceedance of the glider's critical angle of attack while maneuvering, which resulted in an aerodynamic stall/spin and impact with terrain. Contributing to the accident was the pilot's decision to operate the glider outside of its published weight…
- [NTSB CEN16LA007](https://openairdocs.org/ntsb/CEN16LA007.md): Rich Harry A Woodstock I · Decatur, TX · Accident · 1 fatal · Limited investigation · Final report · Oct 11, 2015 · N21468 · Substantial damage
  > The pilot's failure to maintain adequate airspeed while turning from the downwind to the base leg of the pattern in gusting wind conditions, which resulted in the glider exceeding its critical angle-of-attack and entering an aerodynamic stall/spin at a low…
- [NTSB WPR15FA144](https://openairdocs.org/ntsb/WPR15FA144.md): Schempp-Hirth Standard Cirrus · Prescott Valley, AZ · Accident · 1 fatal · Field investigation · Final report · Apr 11, 2015 · N352D · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the glider’s critical angle of attack during the initial climb after a ground-tow launch, which resulted in an aerodynamic stall/spin.
- [NTSB WPR14LA263](https://openairdocs.org/ntsb/WPR14LA263.md): Knell ASC Spirit · Lehi, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 22, 2014 · N127JK · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack while maneuvering in a steep turn at low altitude, which resulted in an aerodynamic stall.
- [NTSB ERA14LA199](https://openairdocs.org/ntsb/ERA14LA199.md): Aircraft Industries A.S. L33 Solo · Bunn, NC · Accident · Serious injuries · Limited investigation · Final report · Apr 13, 2014 · N318BA · Substantial damage
  > The pilot’s failure to maintain airspeed while approaching the airport, which resulted in a stall/mush.
- [NTSB CEN13LA369](https://openairdocs.org/ntsb/CEN13LA369.md): Schleicher ASW-15 · Navasota, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 22, 2013 · N77VT · Substantial damage
  > An inadvertent aerodynamic stall during the approach for landing.
- [NTSB ERA13FA215](https://openairdocs.org/ntsb/ERA13FA215.md): Schweizer SGS 2-32 · Shirley, NY · Accident · 1 fatal · Field investigation · Final report · Apr 27, 2013 · N9857E · Substantial damage
  > The pilot’s failure to maintain airspeed during final approach, which resulted in a stall. Contributing to the accident was the pilot’s likely impairment due to an over-the-counter sedating antihistamine.
- [NTSB CEN12LA490](https://openairdocs.org/ntsb/CEN12LA490.md): Smith Applebay Zuni II · Gregory, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 2012 · N1ZV · Substantial damage
  > The glider pilot’s failure to maintain sufficient altitude and airspeed while turning to the base leg of the traffic pattern, which resulted in a stall/spin and impact with trees and terrain.
- [NTSB ERA12CA321](https://openairdocs.org/ntsb/ERA12CA321.md): Eiriavion PIK 20D · Eagleville, TN · Accident · Serious injuries · Data collection · Final report · May 6, 2012 · N39RB · Substantial damage
  > The glider’s encounter with atmospheric lift conditions not sufficient to maintain flight, which resulted in an aerodynamic stall.
- [NTSB WPR12FA010](https://openairdocs.org/ntsb/WPR12FA010.md): DG Flugzeugbau DG 1000S · Cle Elum, WA · Accident · 1 fatal · Field investigation · Final report · Oct 13, 2011 · N7760A · Substantial damage
  > The pilot’s failure to maintain airspeed and control after takeoff, which resulted in an aerodynamic stall.
- [NTSB WPR11CA338](https://openairdocs.org/ntsb/WPR11CA338.md): Rolladen Schneider OHG LS-3-17 · Adelanto, CA · Accident · Serious injuries · Data collection · Final report · Jul 16, 2011 · N84AM · Substantial damage
  > The pilot's incorrect use of the flap control pitch control recovery which resulted in an aerodynamic stall.
- [NTSB WPR10LA377](https://openairdocs.org/ntsb/WPR10LA377.md): Glaser Dirks DG300 · Morgan, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 2010 · N30AS · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in a stall/spin and ground impact.
- [NTSB CEN10CA225](https://openairdocs.org/ntsb/CEN10CA225.md): Schweizer SGS1-34 · Waynesville, OH · Accident · Minor injuries · Data collection · Final report · Apr 21, 2010 · N1148S · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall.
- [NTSB CEN09LA353](https://openairdocs.org/ntsb/CEN09LA353.md): Burkhart Grob G103C Twin III Acro · Gregory, MI · Accident · 1 fatal · Limited investigation · Final report · Jun 14, 2009 · N103MS · Substantial damage
  > The pilot's failure to maintain sufficient airspeed during the turn to return for landing, which resulted an inadvertent stall/spin. Contributing to the accident was the failure of the ground winch tow cable shortly after takeoff.
- [NTSB ERA09CA320](https://openairdocs.org/ntsb/ERA09CA320.md): AB Sportine Aviacija LAK-17A · Middletown, NY · Accident · Serious injuries · Data collection · Final report · May 31, 2009 · N391BA · Substantial damage
  > The pilot's failure to maintain control of the airplane while landing in gusty winds, which resulted in a loss of adequate airspeed and a subsequent aerodynamic stall.
- [NTSB ERA09CA259](https://openairdocs.org/ntsb/ERA09CA259.md): Rolladen-Schneider LS8-18 · Fairfield, PA · Accident · Serious injuries · Data collection · Final report · Apr 23, 2009 · N818FM · Substantial damage
  > The pilot's failure to maintain adequate airspeed while turning on to final approach, which resulted in an aerodynamic stall.

## 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 ('00000')
    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" = '241'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/241/cases?engine=00000

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