# NTSB investigations: Let BLANIK L-13

A list on [Let BLANIK L-13](https://openairdocs.org/model/let-blanik-l-13.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 3 · 129 investigations

- [NTSB WPR10CA015](https://openairdocs.org/ntsb/WPR10CA015.md): Let Blanik L-13 · Llano, CA · Accident · Serious injuries · Data collection · Final report · Oct 11, 2009 · N948LC · Substantial damage
  > The student pilot's improper use of the airbrakes while on approach for landing.
- [NTSB CEN09CA007](https://openairdocs.org/ntsb/CEN09CA007.md): Let Blanik · Gardner, KS · Accident · No injuries · Data collection · Final report · Oct 4, 2008 · N48026 · Substantial damage
  > The pilot's decision to attempt a takeoff when the climb performance of the tow plane and the glider were inadequate. Contributing to the accident were the high density altitude and the terrain-induced turbulence.
- [NTSB LAX08CA262](https://openairdocs.org/ntsb/LAX08CA262.md): Let Blanik L-13 · Bend, OR · Accident · Minor injuries · Data collection · Final report · Aug 9, 2008 · N62345 · Substantial damage
  > The pilot's misjudged distance/altitude which resulted in an undershoot while on final approach to land. Factors contributing to the accident were the lack of thermal lift (sinking air), and the lack of suitable terrain for the off-airport landing.
- [NTSB SEA08CA163](https://openairdocs.org/ntsb/SEA08CA163.md): Let Blanik L-13 · Arlington, WA · Accident · Minor injuries · Data collection · Final report · Jul 21, 2008 · N48029 · Substantial damage
  > The pilot's failure to maintain clearance from a tree while making an off-field landing in a glider. Contributing to the accident was the pilot's inadequate compensation for the gusting winds.
- [NTSB NYC08LA168](https://openairdocs.org/ntsb/NYC08LA168.md): Let Blanik L-13 · Dansville, NY · Accident · No injuries · Limited investigation · Final report · Apr 19, 2008 · N90870 · Substantial damage
  > The pilot's failure to attain the proper glide path and the flight instructor's delayed remedial action. Contributing to the accident was the encountered headwind.
- [NTSB LAX08CA003](https://openairdocs.org/ntsb/LAX08CA003.md): Let Blanik L-13 · Hemet, CA · Accident · No injuries · Data collection · Final report · Oct 6, 2007 · N510CS · Substantial damage
  > The pilot's failure to maintain a proper descent rate due to his failure to close the air brake and/or partially retract the flaps during an encounter with lost lift on final approach.
- [NTSB SEA07LA101](https://openairdocs.org/ntsb/SEA07LA101.md): Let Blanik L-13 · Llano, CA · Accident · No injuries · Limited investigation · Final report · Apr 13, 2007 · N101JJ · 2 aircraft · Substantial damage
  > The failure of the other pilot to maintain directional control during landing roll.
- [NTSB CHI06CA252](https://openairdocs.org/ntsb/CHI06CA252.md): Let Blanik L-13 · Hampshire, IL · Accident · No injuries · Data collection · Final report · Sep 2, 2006 · N12YA · Substantial damage
  > The pilot's inadequate approach for landing and his failure to attain a proper descent rate.
- [NTSB CHI05CA232](https://openairdocs.org/ntsb/CHI05CA232.md): Let Blanik L-13 · Blair, NE · Accident · No injuries · Data collection · Final report · Aug 6, 2005 · N9295Z · Substantial damage
  > The low airspeed by the pilot and the inadequate supervision by the certified flight instructor.
- [NTSB MIA05LA077](https://openairdocs.org/ntsb/MIA05LA077.md): Let Blanik L-13 · DeLand, FL · Accident · Serious injuries · Limited investigation · Final report · Mar 13, 2005 · N14420 · Substantial damage
  > The failure of the pilot to maintain sufficient airspeed during landing, resulting in an inadvertent stall, undershoot and collision with the ground.
- [NTSB DEN04CA085](https://openairdocs.org/ntsb/DEN04CA085.md): Let Blanik L-13 · Durango, CO · Accident · Serious injuries · Data collection · Final report · Jun 3, 2004 · N99860 · Substantial damage
  > the pilot's improper in-flight planning and decision and his failure to maintain adequate terrain clearance. Contributing to the accident was the lack of suitable terrain, and the low approach.
- [NTSB LAX04CA220](https://openairdocs.org/ntsb/LAX04CA220.md): Let Blanik L-13 · Sparks, NV · Accident · No injuries · Data collection · Final report · May 24, 2004 · N53AS · Substantial damage
  > the student pilot's misjudged altitude, distance, and speed, and failure to attain the proper touchdown point, resulting in an overshoot of the runway.
- [NTSB DEN03LA001](https://openairdocs.org/ntsb/DEN03LA001.md): Let Blanik L-13 · Morgan, UT · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 2002 · N99805 · Destroyed
  > the pilot's inadequate inflight planning and decision which resulted in an unsuitable off-field landing site. A contributing factor was downdraft weather conditions.
- [NTSB SEA02LA140](https://openairdocs.org/ntsb/SEA02LA140.md): Blanik L-13 · Belgrade, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2002 · N70741 · Substantial damage
  > The glider pilot's improper in-flight planning decision and his failure to attain the proper touchdown point. Contributing to the accident were the inadvertent activation of the speed brakes, the pilot's failure to maintain altitude, the high vegetation and…
- [NTSB DEN02LA095](https://openairdocs.org/ntsb/DEN02LA095.md): Let Blanik L-13 · Lehi, UT · Accident · No injuries · Limited investigation · Final report · Jul 23, 2002 · N48038 · Destroyed
  > the pilot's inadequate in-flight planning resulting in the glider impacting terrain short of the runway, and the pilot's subsequent abrupt handling of the glider when it became airborne again, which resulted in a hard second landing. A contributing factor was…
- [NTSB NYC02LA092](https://openairdocs.org/ntsb/NYC02LA092.md): Blanik L-13 · Saratoga Spring, NY · Accident · No injuries · Limited investigation · Final report · May 5, 2002 · N711KR · Substantial damage
  > The glider encountering an unanticipated downdraft, which resulted in insufficient altitude to reach a suitable landing area.
- [NTSB SEA01LA153](https://openairdocs.org/ntsb/SEA01LA153.md): Let Blanik L-13 · Enumclaw, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 2001 · N82AS · Substantial damage
  > The premature release of the towline and the pilot's improper selection of a landing area following the release. Factors include improper preflight planning.
- [NTSB DEN01LA143](https://openairdocs.org/ntsb/DEN01LA143.md): Blanik L-13 · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N310GM · Substantial damage
  > the pilot's inadvertent lowering of the flaps and her failure to extend the spoilers.
- [NTSB CHI01LA277](https://openairdocs.org/ntsb/CHI01LA277.md): Blanik L-13 · Marlette, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2001 · N9297Z · Minor damage
  > Ground crew personnel improperly connected the tow winch cable prior to takeoff which resulted in one side of the winch cable coming disconnected. Factors associated with the accident were the ditch and the tree branch which the airplane contacted.
- [NTSB NYC00LA251](https://openairdocs.org/ntsb/NYC00LA251.md): Let Blanik L-13 · Wurtsboro, NY · Accident · No injuries · Limited investigation · Final report · Sep 4, 2000 · N48037 · Substantial damage
  > The pilot's improper weather evaluation and decision to initiate a flight with an approaching rain shower. A factor in this accident was heavy rain, which reduced visibility.
- [NTSB MIA00LA165](https://openairdocs.org/ntsb/MIA00LA165.md): Let L-13 · Pensacola, FL · Accident · No injuries · Limited investigation · Final report · May 22, 2000 · N90867 · Substantial damage
  > The student's failure to maintain the proper landing pattern altitude resulting in an undershoot during landing and collision with a fence. A factor in the accident was the pilot's failure to realize the spoilers were still deployed during the undershoot.
- [NTSB FTW99LA243](https://openairdocs.org/ntsb/FTW99LA243.md): Let Blanik L-13 · Jonesboro, AR · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 1999 · N3255Y · Substantial damage
  > The pilot's misjudgment of distance/altitude during the final approach to landing, resulting in an undershoot, and collision with a power line pole.
- [NTSB MIA99LA227](https://openairdocs.org/ntsb/MIA99LA227.md): Let Blanik L-13 · Perry, SC · Accident · No injuries · Limited investigation · Final report · Aug 17, 1999 · N7529 · Substantial damage
  > an in-flight collision with the ground due to inadequate liftoff airspeed, and the pilot's improper use of flaps, which resulted in too low of an altitude to sustain flight.
- [NTSB MIA99LA193](https://openairdocs.org/ntsb/MIA99LA193.md): Let Blanik L-13 · Monroe, GA · Accident · No injuries · Limited investigation · Final report · Jul 10, 1999 · N90842 · Substantial damage
  > the pilot-in command's improper handling and inflight decisions resulting in an undershoot of the intended landing runway. The pilot-in-command then failed to maintain airspeed, which resulted in a stall and the right wingtip impacting the ground.
- [NTSB CHI99LA220](https://openairdocs.org/ntsb/CHI99LA220.md): Let Blanik L-13 · Sylvania, WI · Accident · No injuries · Limited investigation · Final report · Jul 9, 1999 · N3209F · Substantial damage
  > the misjudged planned approach and the evasive maneuver attempted by the pilot-in-command. A factor was the presence of trees.
- [NTSB LAX99LA228](https://openairdocs.org/ntsb/LAX99LA228.md): Let Blanik L-13 · Barstow, CA · Accident · No injuries · Limited investigation · Final report · Jun 19, 1999 · N136AS · Substantial damage
  > The loss of thermal lift that resulted in a forced landing and the pilot's improper glide path that resulted in a collision with a light pole.
- [NTSB SEA99LA087](https://openairdocs.org/ntsb/SEA99LA087.md): Let L-13 · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Jun 17, 1999 · N70741 · Substantial damage
  > The pilot in command's failure to maintain clearance from a parked airplane during his attempt to avoid a person on the runway.
- [NTSB MIA99LA051](https://openairdocs.org/ntsb/MIA99LA051.md): Let L-13 · Okeechobee, FL · Accident · No injuries · Limited investigation · Final report · Dec 19, 1998 · N98KK · 2 aircraft · Substantial damage
  > The inadequate visual lookout of the pilot of the Cessna airplane and of the pilot of the glider resulting in the midair collision.
- [NTSB IAD98LA114](https://openairdocs.org/ntsb/IAD98LA114.md): Let Blanik L-13 · Hammonton, NJ · Accident · No injuries · Limited investigation · Final report · Jul 11, 1998 · N49CC · Substantial damage
  > Improper maintenance, which resulted in an over-pressurized landing gear.
- [NTSB FTW98LA264](https://openairdocs.org/ntsb/FTW98LA264.md): Let Blanik L-13 · Hempstead, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1998 · N73534 · Substantial damage
  > The pilot's failure to maintain the proper rate of descent. Factor were the pilot's inadvertent lowering of the flaps instead of extending the spoilers, and his lack of experience in gliders.
- [NTSB LAX98LA084](https://openairdocs.org/ntsb/LAX98LA084.md): Let Blanik L-13 · Prescott Valley, AZ · Accident · No injuries · Limited investigation · Final report · Jan 25, 1998 · N3463 · Substantial damage
  > The failure of the ground crew to correctly attach the tow bridle, which resulted in the pilot's loss of directional control.
- [NTSB MIA98LA023](https://openairdocs.org/ntsb/MIA98LA023.md): Let L-13 · Elkin, NC · Accident · No injuries · Limited investigation · Final report · Nov 1, 1997 · N65140 · Substantial damage
  > The instructor's pilot's misjudgment of altitude and distance, and his inadequate compensation for the wind conditions. Unfavorable winds and a fence were contributing factors.
- [NTSB SEA97LA194](https://openairdocs.org/ntsb/SEA97LA194.md): Let Blanik L-13 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1997 · N52AS · Substantial damage
  > The pilot's excessive speed taxispeed and failure to maintain wing clearance from a taxiway sign.
- [NTSB FTW97LA256](https://openairdocs.org/ntsb/FTW97LA256.md): Let Blanik L-13 · Pagosa Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1997 · N65378 · Substantial damage
  > The pilot's improper inflight planning in that he allowed the glider to descend to too low an altitude and stray too far from the airport, exceeding the aircraft's glide capabilities. A factor was his failure to utilize maximum braking action.
- [NTSB LAX97LA165](https://openairdocs.org/ntsb/LAX97LA165.md): Let Blanik L-13 · Hemet, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 19, 1997 · N90620 · Substantial damage
  > the pilot's failure to adjust his traffic pattern to compensate for local atmospheric conditions.
- [NTSB MIA97LA046](https://openairdocs.org/ntsb/MIA97LA046.md): Let Blanik L-13 · Mulberry, FL · Accident · No injuries · Limited investigation · Final report · Dec 22, 1996 · N48052 · Substantial damage
  > The pilot's failure to check that the spoiler handle was locked in the retracted position prior to takeoff.
- [NTSB ATL97LA013](https://openairdocs.org/ntsb/ATL97LA013.md): Let L-13 · Benton, TN · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 1996 · N15CB · Substantial damage
  > failure of the flight crew to maintain altitude/clearance above runway obstacles, and inadequate supervision by the flight instructor. Factors relating to the accident were sunglare on the canopy, and the proximity of obstacles (trees) to the runway.
- [NTSB SEA96FA186](https://openairdocs.org/ntsb/SEA96FA186.md): Let L-13 · Shelton, WA · Accident · 1 fatal · Field investigation · Final report · Aug 11, 1996 · N90865 · Substantial damage
  > failure of the operator to provide its pilots with information essential for an accurate determination of the glider's weight and balance, the resultant operation of the glider with a center-or-gravity that exceeded the aft limit, and the pilot's inadvertent…
- [NTSB LAX96LA158](https://openairdocs.org/ntsb/LAX96LA158.md): Let Blanik L-13 · Jean, NV · Accident · No injuries · Limited investigation · Final report · Apr 6, 1996 · N65379 · Substantial damage
  > the pilot's poorly planned approach. The flight's encounter with a downdraft is a factor in this accident.
- [NTSB FTW95LA405](https://openairdocs.org/ntsb/FTW95LA405.md): Let Blanik L-13 · Como, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 1995 · N38924 · Substantial damage
  > The pilot allowing the glider to develop an excessive descent rate. A factor was the premature and automatic disengagement of the winch-tow system.
- [NTSB CHI95LA308](https://openairdocs.org/ntsb/CHI95LA308.md): Let L-23 Super Blanik · White Bear Lake, MN · Accident · No injuries · Limited investigation · Final report · Sep 5, 1995 · N99970 · Substantial damage
  > the pilot's delayed retraction of the spoilers. Factors were the excessive sink rate and the power lines.
- [NTSB NYC95LA199](https://openairdocs.org/ntsb/NYC95LA199.md): Let Blanik L-13 · Mayville, NY · Accident · No injuries · Limited investigation · Final report · Aug 19, 1995 · N69AS · Substantial damage
  > the pilot's improper flight control input during the landing roll in high grass, which resulted in a ground loop and subsequent wingtip damage.
- [NTSB ATL95LA080](https://openairdocs.org/ntsb/ATL95LA080.md): Let Blanik L-13 · Brownsboro, AL · Accident · No injuries · Limited investigation · Final report · Apr 8, 1995 · N48039 · Substantial damage
  > The student pilot's inadvertent use of spoilers during takeoff. Factors related to the accident were: the glider instructor's failure to identify the extended spoilers, and the proximity of trees in the emergency landing area.
- [NTSB BFO94LA074](https://openairdocs.org/ntsb/BFO94LA074.md): Let Blanik L-13 · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1994 · N2167 · Substantial damage
  > The pilot's failure to maintain adequate airspeed.
- [NTSB SEA93LA216](https://openairdocs.org/ntsb/SEA93LA216.md): Let Blanik L-13 · Clinton, MT · Accident · No injuries · Limited investigation · Final report · Sep 26, 1993 · N52AS · Substantial damage
  > Total failure of the tow equipment.
- [NTSB DEN93LA085](https://openairdocs.org/ntsb/DEN93LA085.md): Let L-13 · Durango, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1993 · N48069 · Destroyed
  > The failure of the tow plane pilot to warn the glider pilot that he was releasing the tow line. A factor was: an inadvertent stall by the pilot in command.
- [NTSB SEA93LA141](https://openairdocs.org/ntsb/SEA93LA141.md): Let Blanik L-13 · Enumclaw, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1993 · N82AS · Substantial damage
  > The pilot's failure to attain the proper touchdown point. Factors to the accident were: lack of familiarity with geographic area and the grass.
- [NTSB ATL93LA097](https://openairdocs.org/ntsb/ATL93LA097.md): Let L-13 · Elberta, AL · Accident · No injuries · Limited investigation · Final report · May 29, 1993 · N640RM · Substantial damage
  > The pilot's inadequate preflight planning
- [NTSB NYC93LA032](https://openairdocs.org/ntsb/NYC93LA032.md): Let LF-13 · Readington, NJ · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 1992 · N13WG · Substantial damage
  > The pilot's poorly planned approach for landing which resulted in an off airport landing in unsuitable terrain.
- [NTSB MIA92LA122](https://openairdocs.org/ntsb/MIA92LA122.md): Let L-13 · Boynton Beach, FL · Accident · Minor injuries · Limited investigation · Final report · May 4, 1992 · N99946 · Substantial damage
  > Premature extension of the spoilers by the pilot during approach to land. Contributing to the accident was his lack of total experience in the type of aircraft and in-flight encounter with a downdraft.

Next page: https://openairdocs.org/model/let-blanik-l-13/ntsb.md?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_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 ('1360306')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/let-blanik-l-13/ntsb

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