# NTSB investigations: NONE: 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.

Page 1 of 2 · 55 cases

## Latest cases

- [NTSB ERA26LA138](https://openairdocs.org/ntsb/ERA26LA138.md): Glasflugel Kestrel · Little Switzerland, NC · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 5, 2026 · N9919 · Substantial damage
  > A loss of thermal lift during a glider flight, which resulted in a collision with trees during a landing approach to a diversionary airport.
- [NTSB WPR26LA010](https://openairdocs.org/ntsb/WPR26LA010.md): Glasflugel STD Libelle 201B · Moriarty, NM · Accident · No injuries · Class 4 · Limited · Final report · Oct 5, 2025 · N1095G · Substantial damage
  > The glider’s encounter with atmospheric conditions where lift was not sufficient to maintain flight.
- [NTSB CEN25LA271](https://openairdocs.org/ntsb/CEN25LA271.md): PZL Swidnik PW-5 · Kerrick, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2025 · N4426Z · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB WPR25LA177](https://openairdocs.org/ntsb/WPR25LA177.md): Rolladen Schneider LS-7WL · Tonasket, WA · Accident · No injuries · Class 4 · Limited · Final report · Jun 11, 2025 · N78AW · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB WPR25LA138](https://openairdocs.org/ntsb/WPR25LA138.md): Schweizer SGS 2-33A · Hood River, OR · Accident · No injuries · Class 4 · Limited · Final report · Apr 19, 2025 · N5786S · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB WPR24LA274](https://openairdocs.org/ntsb/WPR24LA274.md): Burkhart Grob Flugzeugbau G103 Twin Astir · Minden, NV · Accident · No injuries · Class 4 · Limited · Final report · Aug 9, 2024 · N125CC · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight and a subsequent collision with an obstacle during an off-field landing.
- [NTSB ERA24LA291](https://openairdocs.org/ntsb/ERA24LA291.md): Burkhart Grob Flugzeugbau G102 Astir CS · Benton, NH · Accident · No injuries · Class 4 · Limited · Final report · Jun 2, 2024 · N152SS · Substantial damage
  > An encounter with atmospheric conditions where the lift was not sufficient to maintain flight, resulting in collision with trees.
- [NTSB ERA24LA119](https://openairdocs.org/ntsb/ERA24LA119.md): Alexander Schleicher ASW 27-18 · Polk City, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 15, 2024 · N429SH · Substantial damage
  > The glider pilot’s misjudged altitude, which resulted in an off-airport landing and collision with a fence.
- [NTSB WPR22LA364](https://openairdocs.org/ntsb/WPR22LA364.md): Schleicher ASW-20 · Hood River, OR · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N220CW · Substantial damage
  > The pilot’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB ERA22LA407](https://openairdocs.org/ntsb/ERA22LA407.md): Schweizer SGS 2-33A · Mount Bethel, PA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 3, 2022 · N17867 · Substantial damage
  > The glider’s encounter with atmospheric conditions, where the lift was not sufficient to maintain flight resulting in an off-airport landing and collision with powerlines.
- [NTSB CEN22LA370](https://openairdocs.org/ntsb/CEN22LA370.md): Burkhart Grob Flugzeugbau G102 Club Astir Iiib · Highland, IL · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 6, 2022 · N424BG · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB ERA22LA365](https://openairdocs.org/ntsb/ERA22LA365.md): Schweizer SGS 1-26D · Windsor, VA · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2022 · N249AF · Substantial damage
  > The glider’s encounter with atmospheric conditions, where lift was not sufficient to maintain flight.
- [NTSB WPR22LA223](https://openairdocs.org/ntsb/WPR22LA223.md): DG Flugzeugbau DG 1000S · Lake Chelan, WA · Accident · No injuries · Class 4 · Limited · Final report · Jun 22, 2022 · N767SS · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight. Contributing to the accident was the pilot’s decision to overfly a suitable landing site which resulted in an off-field landing in a lake.
- [NTSB WPR22LA225](https://openairdocs.org/ntsb/WPR22LA225.md): Rolladen-Schneider LS-6 · Tahoe Vista, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 20, 2022 · N536LS · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight and subsequent water ditching.
- [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 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 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 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.
- [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 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 WPR18TA192](https://openairdocs.org/ntsb/WPR18TA192.md): Schempp Hirth Discus CS · Goldfield, NV · Accident · Serious injuries · Final report · Jul 11, 2018 · N104TH · Substantial damage
  > The glider’s encounter with atmospheric lift conditions that were not sufficient to maintain flight, which necessitated a forced landing on uneven terrain.
- [NTSB GAA18CA377](https://openairdocs.org/ntsb/GAA18CA377.md): Jonker Sailplanes JS1-C · Panguitch, UT · Accident · No injuries · Data collection · Final report · Jun 24, 2018 · N963CG · Substantial damage
  > The pilot’s inability to maintain altitude and his delayed decision to deploy the powered-glider’s engine, which necessitated an off-airport landing.
- [NTSB GAA18CA283](https://openairdocs.org/ntsb/GAA18CA283.md): Schweizer SGS123 · Tunbridge, VT · Accident · No injuries · Data collection · Final report · May 13, 2018 · N9915J · Substantial damage
  > The student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.
- [NTSB GAA18CA172](https://openairdocs.org/ntsb/GAA18CA172.md): Lithuanian Factory Of LAK 12 · Sunriver, OR · Accident · No injuries · Data collection · Final report · Mar 20, 2018 · N63010 · Substantial damage
  > The glider pilot's inadequate flight planning, which resulted in an off-airport landing.
- [NTSB GAA17CA477](https://openairdocs.org/ntsb/GAA17CA477.md): Let L 23 Super Blanik · Homestead, FL · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N304MG · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in the pilot landing short of the intended runway.
- [NTSB GAA17CA427](https://openairdocs.org/ntsb/GAA17CA427.md): Let L23 · Deatsville, AL · Accident · Minor injuries · Data collection · Final report · Jul 21, 2017 · N342BA · Substantial damage
  > The student pilot’s failure to maintain clearance from trees and power lines while landing.
- [NTSB GAA17CA255](https://openairdocs.org/ntsb/GAA17CA255.md): Schweizer SGS134 · Blairstown, NJ · Accident · No injuries · Data collection · Final report · Apr 28, 2017 · N2682H · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing in gusting wind conditions, which resulted in an off-airport landing and impact with soccer goal posts.
- [NTSB GAA17CA196](https://openairdocs.org/ntsb/GAA17CA196.md): Schweizer SGS126 · Bangor, PA · Accident · No injuries · Data collection · Final report · Mar 11, 2017 · N17933 · 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.
- [NTSB ERA16CA227](https://openairdocs.org/ntsb/ERA16CA227.md): Pezetel SZD 48-1JANTAR STD 2 · Maysville, WV · Accident · No injuries · Data collection · Final report · Jun 12, 2016 · N438QA · Substantial damage
  > The glider's encounter with insufficient atmospheric lift conditions where the lift was not sufficient to maintain soaring flight, which resulted in an off-airport landing.
- [NTSB GAA16CA261](https://openairdocs.org/ntsb/GAA16CA261.md): Rolladen-Schneider OHG LS3 · Blairstown, NJ · Accident · Serious injuries · Data collection · Final report · May 25, 2016 · N63761 · Substantial damage
  > The pilot's failure to maintain clearance from trees on final.
- [NTSB GAA16CA205](https://openairdocs.org/ntsb/GAA16CA205.md): Burkhart Grob Flugzeugbau G103 Twin Astir · Marana, AZ · Accident · Minor injuries · Data collection · Final report · Apr 24, 2016 · N40880 · Substantial damage
  > The glider's loss of lift as a result of unfavorable wind conditions for glider operations, consequently resulting in a collision with trees.
- [NTSB WPR15LA232](https://openairdocs.org/ntsb/WPR15LA232.md): Schleicher ASW 20B · Logan, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2015 · N20YZ · Substantial damage
  > The pilot’s failure to maintain glider control when it encountered a strong downdraft while maneuvering near a ridgeline.
- [NTSB GAA15CA028](https://openairdocs.org/ntsb/GAA15CA028.md): Let L23 - NO Series · Los Alamitos, CA · Accident · Minor injuries · Data collection · Final report · Mar 29, 2015 · N381BA · Substantial damage
  > The inadvertent deployment of the air brakes during initial climb, resulting in a loss of lift. Contributing to the accident was the pilot's failure to identify and remediate the cause.
- [NTSB ERA14CA453](https://openairdocs.org/ntsb/ERA14CA453.md): Schleicher ASK 21 · Wurtsboro, NY · Accident · Minor injuries · Data collection · Final report · Sep 20, 2014 · N421SL · Substantial damage
  > A loss of lift during the landing approach, which resulted in impact with terrain.
- [NTSB ERA14CA426](https://openairdocs.org/ntsb/ERA14CA426.md): Schleicher ASW 19B · Avoca, NY · Accident · Serious injuries · Data collection · Final report · Sep 7, 2014 · N31GF · Substantial damage
  > The pilot's decision to attempt a return to his departure airport which resulted in the glider's encounter with atmospheric conditions where the lift was not sufficient to maintain flight and an off-airport landing.
- [NTSB ERA14CA220](https://openairdocs.org/ntsb/ERA14CA220.md): Schleicher ASW 20 · Monroe, GA · Accident · Serious injuries · Data collection · Final report · May 4, 2014 · N777LR · Substantial damage
  > The pilot's improper selection of an off-airport landing site and his subsequent failure to maintain clearance from trees during an off airport landing.
- [NTSB WPR14CA138](https://openairdocs.org/ntsb/WPR14CA138.md): DG Flugzeugbau DG 1000S · Wrightwood, CA · Accident · Minor injuries · Data collection · Final report · Mar 15, 2014 · N624RM · Substantial damage
  > The pilot's inadequate in-flight planning/decision to maneuver the glider where the lift was not sufficient to maintain flight, resulting in an off airport landing.
- [NTSB CEN13CA573](https://openairdocs.org/ntsb/CEN13CA573.md): Schweizer SGS 2 33A · Hampshire, IL · Accident · No injuries · Data collection · Final report · Sep 2, 2013 · N2668H · Substantial damage
  > The student pilot's inadequate compensation for landing area conditions during an off-airport landing which resulted in a collision with an obstruction.
- [NTSB WPR13CA333](https://openairdocs.org/ntsb/WPR13CA333.md): Schweizer SGS 2-33A · Hood River, OR · Accident · Serious injuries · Data collection · Final report · Jul 20, 2013 · N2052T · Substantial damage
  > The glider encountered atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in an off airport landing on rough terrain.
- [NTSB CEN13CA079](https://openairdocs.org/ntsb/CEN13CA079.md): Schweizer SGS 2-32 · Boulder, CO · Accident · Minor injuries · Data collection · Final report · Nov 29, 2012 · N9929J · Substantial damage
  > The glider pilot's inability to locate an area of thermal lift.
- [NTSB WPR12CA278](https://openairdocs.org/ntsb/WPR12CA278.md): Schweizer SGS 1-36 · Bishop, CA · Accident · No injuries · Data collection · Final report · Jun 27, 2012 · N3617U · Substantial damage
  > The glider’s encounter with insufficient atmospheric lift to maintain soaring flight, which resulted in an off-airport landing.
- [NTSB WPR12CA072](https://openairdocs.org/ntsb/WPR12CA072.md): Schweizer SGS 1-26B · Murrieta, CA · Accident · No injuries · Data collection · Final report · Dec 28, 2011 · N8641R · Substantial damage
  > The glider's encounter with insufficient atmospheric lift to maintain soaring flight.
- [NTSB WPR11CA411](https://openairdocs.org/ntsb/WPR11CA411.md): Schweizer SGS 2-32 · Warner Springs, CA · Accident · Serious injuries · Data collection · Final report · Aug 28, 2011 · N5840V · Substantial damage
  > The pilot’s inadequate altitude to clear a ridgeline while maneuvering over a mountainous area.
- [NTSB WPR11CA342](https://openairdocs.org/ntsb/WPR11CA342.md): Schleicher ASW-27 · Preston, ID · Accident · No injuries · Data collection · Final report · Jul 21, 2011 · N78AB · Substantial damage
  > The glider's impact with crops during the off-airport landing.
- [NTSB WPR11CA486](https://openairdocs.org/ntsb/WPR11CA486.md): Schleicher ASW-27 · Brigham City, UT · Accident · No injuries · Data collection · Final report · Jul 19, 2011 · N797V · Substantial damage
  > The glider pilot did not take timely action to locate a safe outlanding area after entering an area where atmospheric lift was not sufficient to maintain soaring flight.
- [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 CEN10CA507](https://openairdocs.org/ntsb/CEN10CA507.md): Let L-23 Super Blanik · Socorro, NM · Accident · No injuries · Data collection · Final report · Aug 28, 2010 · N361BA · Substantial damage
  > A loss of lift that resulted in an off-airport landing.
- [NTSB WPR10LA356](https://openairdocs.org/ntsb/WPR10LA356.md): Parker RS-15 Sailplane · Marysvale, UT · Accident · 1 fatal · Limited investigation · Final report · Jul 17, 2010 · N15LQ · Substantial damage
  > The glider's encounter with insufficient atmospheric lift to maintain soaring flight.
- [NTSB CEN10CA388](https://openairdocs.org/ntsb/CEN10CA388.md): Schweizer SGS 1-26B · Waynesville, OH · Accident · No injuries · Data collection · Final report · Jul 10, 2010 · N2429W · Substantial damage
  > The student pilot's delayed decision that resulted in insufficent altitude to return to the departure airport.

Next page: https://openairdocs.org/ntsb-events/500/cases.md?engine=00000&page=2

## 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" = '500'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/500/cases?engine=00000

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