NTSB investigations: Burkhart Grob G-103A TWIN II ACRO
20 cases on aircraft the registry lists as Burkhart Grob G-103A TWIN II ACRO. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1985 | 1 |
|---|---|
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 2 |
| 1990 | 1 |
| 1994 | 1 |
| 1997 | 1 |
| 2004 | 1 |
| 2006 | 3 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2012 | 1 |
| 2025 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN25LA227Accident · No injuriesClass 4 · LimitedFinal reportBurkhart Grob G-103A Twin II Acro · Midlothian, TXThe student pilot’s improper landing flare, which resulted in a hard landing.NTSB WPR12CA134Accident · No injuriesData collectionFinal reportBurkhart Grob G-103A Twin II Acro · Dillingham, HIThe student pilot’s inadequate recovery from a bounced landing.NTSB WPR11CA060Accident · No injuriesData collectionFinal reportBurkhart Grob G-103A Twin II Acro · Warner Springs, CAThe certified flight instructor's inadequate compensation for the crosswind and delayed remedial action during landing, which resulted in a ground loop.NTSB WPR10CA422Accident · No injuriesData collectionFinal reportBurkhart Grob G-103A · Minden, NVThe pilot’s inadequate flare and bounced landing recovery technique that resulted in a hard landing.NTSB ERA09CA525Accident · No injuriesData collectionFinal reportBurkhart Grob G-103A TWI · Clermont, FLThe flight instructor's delayed remedial action resulting in an off-airfield landing and ground loop.NTSB DEN08CA056Accident · No injuriesData collectionFinal reportBurkhart Grob G-103A Twin II Acro · Alamogordo, NMThe 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 LAX07CA066Accident · Minor injuriesData collectionFinal reportBurkhart Grob G-103A · Minden, NVThe 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 LAX06LA292Accident · 1 fatalLimited investigationFinal reportBurkhart Grob G-103A Twin II Acro · Minden, NVThe 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 SEA06LA163Accident · Minor injuriesLimited investigationFinal reportBurkhart Grob G-103A · North Plains, ORThe 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 FTW04LA190Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103A Twin II Acro · Caddo Mills, TXThe other pilot's inability to maintain directional control during landing roll as a result of the failure of the landing gear.NTSB LAX97LA174Accident · No injuriesLimited investigationFinal reportBurkhart Grob 103A · Peoria, AZfailure 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 NYC95LA040Accident · No injuriesLimited investigationFinal reportBurkhart Grob 103A · Blairstown, NJThe pilot's failure to maintain the proper descent rate.NTSB NYC91LA032Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob G103A · Erwinna, PAThe student pilot's improper landing technique and the instructor's inadequate supervision.NTSB LAX88LA221Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103A · Fremont, CADuring 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 DEN88FA089Accident · 2 fatalField investigationFinal reportBurkhart Grob G103A · Boulder, CONTSB LAX87LA287Accident · Minor injuriesLimited investigationFinal reportBurkhart Grob G-103A · Maricopa, AZThe 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 ATL87LA199Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103A · Mt. Airy, NCThe 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 FTW87LA065Accident · No injuriesLimited investigationFinal reportBurkhart Grob 103A · Midlothian, TXThe 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 ATL86LA184Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103A · Little River, SCThe 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 NYC85LA151Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103-II Aero · Erwinna, PAThe 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…