# NTSB investigations: Burkhart Grob G-103A TWIN II ACRO 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 CEN25LA227](https://openairdocs.org/ntsb/CEN25LA227.md): Burkhart Grob G-103A Twin II Acro · Midlothian, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 21, 2025 · N852BG · Substantial damage > The student pilot’s improper landing flare, which resulted in a hard landing. - [NTSB WPR12CA134](https://openairdocs.org/ntsb/WPR12CA134.md): Burkhart Grob G-103A Twin II Acro · Dillingham, HI · Accident · No injuries · Data collection · Final report · Feb 20, 2012 · N103SH · Substantial damage > The student pilot’s inadequate recovery from a bounced landing. - [NTSB WPR11CA060](https://openairdocs.org/ntsb/WPR11CA060.md): Burkhart Grob G-103A Twin II Acro · Warner Springs, CA · Accident · No injuries · Data collection · Final report · Nov 26, 2010 · N855BG · Substantial damage > The certified flight instructor's inadequate compensation for the crosswind and delayed remedial action during landing, which resulted in a ground loop. - [NTSB WPR10CA422](https://openairdocs.org/ntsb/WPR10CA422.md): Burkhart Grob G-103A · Minden, NV · Accident · No injuries · Data collection · Final report · Aug 22, 2010 · N794G · Substantial damage > The pilot’s inadequate flare and bounced landing recovery technique that resulted in a hard landing. - [NTSB ERA09CA525](https://openairdocs.org/ntsb/ERA09CA525.md): Burkhart Grob G-103A TWI · Clermont, FL · Accident · No injuries · Data collection · Final report · Sep 17, 2009 · N308BG · Substantial damage > The flight instructor's delayed remedial action resulting in an off-airfield landing and ground loop. - [NTSB DEN08CA056](https://openairdocs.org/ntsb/DEN08CA056.md): Burkhart Grob G-103A Twin II Acro · Alamogordo, NM · Accident · No injuries · Data collection · Final report · Feb 9, 2008 · N223WP · Substantial damage > The unsuitable terrain for landing. Contributing to the accident were the pilot's encounter with turbulence and the loss of visual contact with the tow plane. - [NTSB LAX07CA066](https://openairdocs.org/ntsb/LAX07CA066.md): Burkhart Grob G-103A · Minden, NV · Accident · Minor injuries · Data collection · Final report · Dec 27, 2006 · N794G · Substantial damage > The flight's encounter with a low ceiling while on approach that necessatiated an off-airport precautionary landing on unsuitable terrain. Obstructions were a factor. - [NTSB LAX06LA292](https://openairdocs.org/ntsb/LAX06LA292.md): Burkhart Grob G-103A Twin II Acro · Minden, NV · Accident · 1 fatal · Limited investigation · Final report · Sep 12, 2006 · N790G · Substantial damage > The inadequate pre-takeoff checks by the flightcrew that failed to detect that the spoilers were deployed during the takeoff and initial climb. Also causal was the inadequate supervision of the flight by the flight instructor. - [NTSB SEA06LA163](https://openairdocs.org/ntsb/SEA06LA163.md): Burkhart Grob G-103A · North Plains, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 2006 · N103MG · 2 aircraft · Substantial damage > The glider pilot's misjudgment of distance/speed during approach, which resulted in excessive speed at touchdown, and his failure to maintain directional control during the landing roll. A contributing factor was the glider pilot's lack of experience in the… - [NTSB FTW04LA190](https://openairdocs.org/ntsb/FTW04LA190.md): Burkhart Grob G-103A Twin II Acro · Caddo Mills, TX · Accident · No injuries · Limited investigation · Final report · Jul 17, 2004 · N858BG · Substantial damage > The other pilot's inability to maintain directional control during landing roll as a result of the failure of the landing gear. - [NTSB LAX97LA174](https://openairdocs.org/ntsb/LAX97LA174.md): Burkhart Grob 103A · Peoria, AZ · Accident · No injuries · Limited investigation · Final report · May 2, 1997 · N931BG · Substantial damage > failure of the student pilot to maintain proper runway alignment and wing tip clearance from high vegetation beside the runway during landing, and the flight instructor's inadequate supervision of the flight. High vegetation on the runway shoulder was a… - [NTSB NYC95LA040](https://openairdocs.org/ntsb/NYC95LA040.md): Burkhart Grob 103A · Blairstown, NJ · Accident · No injuries · Limited investigation · Final report · Dec 4, 1994 · N858BG · Substantial damage > The pilot's failure to maintain the proper descent rate. - [NTSB NYC91LA032](https://openairdocs.org/ntsb/NYC91LA032.md): Burkhart Grob G103A · Erwinna, PA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 1990 · N923BG · Substantial damage > The student pilot's improper landing technique and the instructor's inadequate supervision. - [NTSB LAX88LA221](https://openairdocs.org/ntsb/LAX88LA221.md): Burkhart Grob G-103A · Fremont, CA · Accident · No injuries · Limited investigation · Final report · Jun 12, 1988 · N103BK · Substantial damage > During a local flt, the glider encountered a windshear and lost altitude. The pilot was unable to regain the lost altitude and a forced landing was made where during the landing roll the glider collided with rough terrain. - [NTSB DEN88FA089](https://openairdocs.org/ntsb/DEN88FA089.md): Burkhart Grob G103A · Boulder, CO · Accident · 2 fatal · Field investigation · Final report · Apr 2, 1988 · N788G · Destroyed - [NTSB LAX87LA287](https://openairdocs.org/ntsb/LAX87LA287.md): Burkhart Grob G-103A · Maricopa, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1987 · N103BG · Destroyed > The plt rprtd that after gliding in a sink for svrl minutes, he began flying about 500' above a north-south mtn ridge in search of lift. While on a northerly heading, the left wing rose & the plt interpreted this as lift. He turned to the left (west) which… - [NTSB ATL87LA199](https://openairdocs.org/ntsb/ATL87LA199.md): Burkhart Grob G-103A · Mt. Airy, NC · Accident · No injuries · Limited investigation · Final report · Jul 5, 1987 · N930BG · Substantial damage > The instructor stated this was the second flight of the day with the student. They had released from an air tow at 1,500 feet AGL. The instructor was demonstrating glide slope control for best final glide. When the sailplane was about 1,000 feet AGL and one… - [NTSB FTW87LA065](https://openairdocs.org/ntsb/FTW87LA065.md): Burkhart Grob 103A · Midlothian, TX · Accident · No injuries · Limited investigation · Final report · Feb 1, 1987 · N228BG · Substantial damage > The acft was substantially damaged when the left wing struck a 4 inch diameter post on landing. The plt stated that he decided that due to a crosswind, he would land diagonally across the north/south rwy that was mowed in the middle of a large open field… - [NTSB ATL86LA184](https://openairdocs.org/ntsb/ATL86LA184.md): Burkhart Grob G-103A · Little River, SC · Accident · No injuries · Limited investigation · Final report · Jun 26, 1986 · N302BG · Destroyed > The plt reported that the glider was violently rolled into a 90 left bank by strong crosswinds at about 250 ft AGL, while it was being towed aloft. The plt's cockpit canopy came open, and the plt attempted to close and secure it. The canopy came open again… - [NTSB NYC85LA151](https://openairdocs.org/ntsb/NYC85LA151.md): Burkhart Grob G-103-II Aero · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Jun 15, 1985 · N217BG · Substantial damage > The glider contacted tall hay in a fld and ground looped during an off arpt forced landing. The plt stated the glider was released downwind from the arpt at an alt of aprx 3000 ft AGL. A sink rate of 1000 fpm developed preventing the plt from returning to… ## 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.aircraft_model_code IN ('1660206')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=1660206 --- 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.