# NTSB investigations: Schleicher ASW-20 A list on [Schleicher ASW-20](https://openairdocs.org/model/schleicher-asw-20.md). Matched to the registry by N-number and event date, newest first. - [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 CEN15LA376](https://openairdocs.org/ntsb/CEN15LA376.md): Schleicher ASW 20 · Hempstead, TX · Accident · 1 fatal · Limited investigation · Final report · Aug 23, 2015 · N878S · Substantial damage > The pilot’s failure to maintain clearance from power lines during an attempted 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 WPR11FA302](https://openairdocs.org/ntsb/WPR11FA302.md): Schleicher ASW-20 · Lone Pine, CA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2011 · N838KS · Substantial damage > The glider encountered a strong downward orographic wind flow and turbulence that forced it into terrain. Also causal was the pilot’s decision to operate the glider very close to the terrain. - [NTSB CEN10CA505](https://openairdocs.org/ntsb/CEN10CA505.md): Schleicher ASW-20 · Waynesville, OH · Accident · No injuries · Data collection · Final report · Aug 25, 2010 · N31TS · Substantial damage > The pilot's loss of aircraft control during the tow for takeoff. - [NTSB CEN10LA368](https://openairdocs.org/ntsb/CEN10LA368.md): Schleicher ASW-20 · Pocahontas, IL · Accident · 1 fatal · Limited investigation · Final report · Jul 4, 2010 · N82BK · Substantial damage > The pilot's failure to maintain a wings-level attitude prior to impacting high vegetation and terrain during the off-field landing. - [NTSB LAX05LA224](https://openairdocs.org/ntsb/LAX05LA224.md): Schleicher ASW-20 · Big Pine, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 3, 2005 · N31AP · Destroyed > the pilot's failure to maintain an adequate terrain clearance altitude and his decision to turn toward higher terrain. - [NTSB LAX04LA203](https://openairdocs.org/ntsb/LAX04LA203.md): Schleicher ASW-20 · Reno, NV · Accident · 1 fatal · Limited investigation · Final report · May 8, 2004 · N126PS · Destroyed > the pilot's failure to maintain an adequate airspeed margin while performing a return to runway maneuver, which led to a stall and spin. Factors in the accident were: 1) the deteriorated condition of the glider towrope, which resulted in towrope failure… - [NTSB CHI04CA090](https://openairdocs.org/ntsb/CHI04CA090.md): Schleicher ASW-20 · Yoder, KS · Accident · No injuries · Data collection · Final report · Mar 28, 2004 · N232EM · Substantial damage > The pilot's failure to secure the elevator Louis L'Hotellier connector with a safety pin or wire as directed in several airworthiness directives and his inadequate preflight inspection of the sailplane, both of which resulted in the in-flight loss of elevator… - [NTSB LAX03CA201](https://openairdocs.org/ntsb/LAX03CA201.md): Schleicher ASW-20 · Idyllwild, CA · Accident · Minor injuries · Data collection · Final report · Jun 15, 2003 · N34LB · Substantial damage > The combined effects of a loss of thermal lift and a gust induced loss of airspeed at a low above ground altitude, which resulted in a descent to impact with trees. The pilot's failure to maintain an adequate terrain clearance margin while cruising in… - [NTSB LAX03LA114](https://openairdocs.org/ntsb/LAX03LA114.md): Schleicher ASW-20 · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Mar 16, 2003 · N31AP · Substantial damage > the pilot's use of an inadequate climb attitude during takeoff resulting in the proper climb rate not being established. - [NTSB CHI01LA168](https://openairdocs.org/ntsb/CHI01LA168.md): Schleicher ASW-20 · HIghland, IL · Accident · No injuries · Limited investigation · Final report · Jun 16, 2001 · N76SP · Substantial damage > The pilot's failure to extend the spoilers during landing approach, which resulted in a touchdown at a higher than normal airspeed. An additional cause was the intentional ground loop/swerve maneuver performed by the pilot to avoid overrunning the end of the… - [NTSB CHI00LA188](https://openairdocs.org/ntsb/CHI00LA188.md): Schleicher ASW-20L · Gregory, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 2000 · N4804W · Substantial damage > the control stick movement being restricted by the pilot's seat-type parachute and the excessive descent rate and airspeed during landing. A factor to the accident was the pilot's lack of familiarity with the aircraft. - [NTSB FTW97LA288](https://openairdocs.org/ntsb/FTW97LA288.md): Schleicher ASW-20 · Briggs, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 1997 · N37VV · Substantial damage > The pilot's failure to maintain aircraft control. A factor was the high vegetation on the side of the runway. - [NTSB LAX96LA212](https://openairdocs.org/ntsb/LAX96LA212.md): Schleicher ASW-20 · Sparks, NV · Accident · Serious injuries · Limited investigation · Final report · May 28, 1996 · N204Q · Substantial damage > the pilot's inadequate compensation for wind conditions during the takeoff roll, and his failure to maintain control of the glider. The gusty wind condition was a related factor. - [NTSB LAX92LA400](https://openairdocs.org/ntsb/LAX92LA400.md): Schleicher ASW-20 · Middletown, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 26, 1992 · N789E · Destroyed > The pilot's failure to connect the elevator control during assembly and failure to perform an adequate aircraft preflight check. Contributing to the accident was the pilots distraction by performing other tasks during the assembly procedure. - [NTSB LAX91LA231](https://openairdocs.org/ntsb/LAX91LA231.md): Schleicher ASW-20 · Julian, CA · Accident · No injuries · Limited investigation · Final report · Apr 7, 1991 · N31AP · Substantial damage > The pilot's failure to maintain control of his experimental glider during takeoff. A contributing factor was the pilot's encounter with gusty winds. - [NTSB NYC88LA125](https://openairdocs.org/ntsb/NYC88LA125.md): Schleicher ASW-20 · Fairfield, PA · Accident · 1 fatal · Limited investigation · Final report · Apr 9, 1988 · N34JH · 2 aircraft · Destroyed > Failure of the pilot-in-command of N34JH to see and avoid N311DP. - [NTSB NYC87LA163](https://openairdocs.org/ntsb/NYC87LA163.md): Schweizer ASW-20 · Middletown, NY · Accident · No injuries · Limited investigation · Final report · Jun 7, 1987 · N98TX · Destroyed > The glider pilot failed to hook up the elevator control cable before launch and during takeoff there was no pitch control. The aircraft pitched up uncontrollably overstressing the rope. The rope broke and the glider impacted hard on a road bouncing 150 feet… - [NTSB FTW86FRG30](https://openairdocs.org/ntsb/FTW86FRG30.md): Schleicher ASW-20 · Uvalde, TX · Accident · Serious injuries · Final report · Aug 4, 1986 · N20TS · Destroyed > Acft was competing in the natl soaring championships and had just crossed the finish line at 50' AGL and 85 kns a/s when it entered a maneuver to reverse direction and climb to pattern alt for landing. During the turn the acft stalled and struck a power line… - [NTSB LAX86LA144](https://openairdocs.org/ntsb/LAX86LA144.md): Centrair Schleicher ASW-20 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Mar 18, 1986 · N49946 · Substantial damage > The plt elected to abort the takeoff because the acft was veering off the rwy. After release from the tow plane the acft wing tip struck a bush causing the afct to ground loop. The plt reported that the winds at the time of the accident were from 200 deg at 5… - [NTSB BFO85LA078](https://openairdocs.org/ntsb/BFO85LA078.md): Schleicher ASW-20 · New Castle, VA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 1985 · N39DG · Substantial damage > According to the plt, after experiencing a loss of lift, he flew over the open field, observed electrical wires, and continued to fly parallel with the wires. As he turned westward to land in the field, the plt lost sight of the power lines in the sunset.… - [NTSB SEA84LA159](https://openairdocs.org/ntsb/SEA84LA159.md): Schleicher ASW-20 · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1984 · N20UZ · 2 aircraft · Minor damage > The two gliders collided while thermaling in vicinity of each other while engaged in a contest. According to the plts they lost sight of each other while spiraling in the lift. Both acft landed safely. The collision was nose to tail. - [NTSB CHI83LA226](https://openairdocs.org/ntsb/CHI83LA226.md): Schleicher ASW-20 · Lansing, MI · Accident · No injuries · Limited investigation · Final report · May 24, 1983 · N20ZZ · Substantial damage > The plt was participating in the national 15 meter championship meet. During a triangular course, he ran out of thermal activity & selected a field for a landing. From the air, he thought he had selected an alfalfa field with a 5 to 6 inch growth. However, he… - [NTSB LAX83LVG02](https://openairdocs.org/ntsb/LAX83LVG02.md): Schleicher ASW-20 · Calistoga, CA · Accident · No injuries · Final report · Nov 6, 1982 · N3682 · Substantial damage > The pilot stated that he forgot to connect the elevator control when he assembled the glider for the flight. He also stated that he did not become aware of this situation until he tried to use the control during takeoff. The aircraft crashed in a nose down… - [NTSB LAX82FA136](https://openairdocs.org/ntsb/LAX82FA136.md): Schleicher ASW-20 · Tulare, CA · Accident · 1 fatal · Field investigation · Final report · Apr 15, 1982 · N6KS · 2 aircraft · Substantial damage > The glider pilot entered a thermal with three other sailplanes and began to climb. Two of the sailplanes were about 1000 ft below him and the other plane was about 500 ft above. As the pilot was climbing to about 4000 ft MSL, he lost sight to the sailplane… - [NTSB FTW81FQA32](https://openairdocs.org/ntsb/FTW81FQA32.md): Schleicher ASW-20 · Las Vegas, NM · Accident · 1 fatal · Closed · Jun 1, 1981 · N9031W · Substantial damage - [NTSB CHI80FEK15](https://openairdocs.org/ntsb/CHI80FEK15.md): Schleicher ASW-20 · Mt.Sterling, OH · Accident · 1 fatal · Closed · Jun 19, 1980 · N707PG · Destroyed ## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey WHERE a.aircraft_model_code IN ('3801506') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/model/schleicher-asw-20/ntsb --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.