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NTSB investigations: Burkhart Grob G 103 TWIN II

27 cases on aircraft the registry lists as Burkhart Grob G 103 TWIN II. 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.

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19832026

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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 ('1660203')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('1660203'))
  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 ('1660203'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 WPR21LA290Accident · Minor injuriesClass 4 · LimitedFinal reportBurkhart Grob G 103 Twin II · Levan, UTThe 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.Jul 25, 2021 · N4446Y · Substantial damage NTSB GAA19CA506Accident · No injuriesData collectionFinal reportGrob G103 · San Antonio, TXThe failure of the glider tow rope, which lodged in the glider's rudder and resulted in a hard landing. Contributing to the accident was the pilot's failure to properly secure the glider's aft canopy.Aug 22, 2019 · N901BG · Substantial damage NTSB WPR14CA063Accident · No injuriesData collectionFinal reportBurkhart Grob G 103 Twin II · Bryon, CAThe pilot's failure to maintain adequate wing clearance from a runway sign while taxiing.Dec 8, 2013 · N3981C · Substantial damage NTSB WPR13CA418Accident · No injuriesData collectionFinal reportGrob G 103 Twin II · Morgan, UTAn incorrect descent rate while on final approach as a result of the flight instructor's delayed remedial action, which lead to an off-field landing and impact with terrain.Sep 21, 2013 · N54554 · Substantial damage NTSB ERA12LA455Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Hilltown, PAThe improper decision of the flight instructor receiving instruction to attempt a course reversal rather than land straight ahead following a simulated low-level rope break, and the inadequate remedial action of the flight instructor-in-command for allowing…Jul 13, 2012 · N5448G · Substantial damage NTSB CEN09CA368Accident · No injuriesData collectionFinal reportGrob G103 · Wellington, COThe pilot’s failure to maintain control of the glider during takeoff.Jun 19, 2009 · N5462N · Substantial damage NTSB NYC08CA025Accident · Serious injuriesData collectionFinal reportBurkhart Grob G 103 Twin II · Windham, NYAn inadvertent encounter with a wind gust while maneuvering.Nov 4, 2007 · N46009 · Substantial damage NTSB LAX07CA154Accident · Minor injuriesData collectionFinal reportBurkhart Grob G103 Twin II · Minden, NVThe pilot's failure to maintain an adequate airspeed, which led to an inadvertent stall.May 10, 2007 · N49443 · Substantial damage NTSB LAX06CA081Accident · No injuriesData collectionFinal reportBurkhart Grob G 103 Twin II · Llano, CAThe flight's encounter with downdrafts. A contributing factor was the unsuitable vegetation-covered mountainous terrain.Dec 3, 2005 · N4601M · Substantial damage NTSB LAX01LA249Accident · No injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Minden, NVThe student pilot's early deployment of full spoilers, resulting in an excessive sink rate and subsequent hard landing. A factor was the instructor's lack of time to take remedial action.Jul 16, 2001 · N4805R · Substantial damage NTSB CHI01LA207Accident · No injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Ionia, MIThe pilot not maintaining clearance from the tall grass during his recovery from the bounced landing. A factor was the tall grass.Jul 12, 2001 · N140BG · Substantial damage NTSB LAX99LA285Accident · No injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Llano, CAThe pilot's encounter with a sudden and violent dust devil, which caused the student pilot to lose control of the aircraft during the landing flare/touchdown.Aug 23, 1999 · N8013K · Substantial damage NTSB IAD99FA041Accident · 3 fatalField investigationFinal reportCessna 305A · Hilltown, PAThe inadequate lookout of both pilots, and the pilot of the other aircraft.May 1, 1999 · N5171G · 2 aircraft · Destroyed NTSB NYC99LA017Accident · No injuriesLimited investigationFinal reportBurkhart Grob G103-TWINA · Saratoga Spring, NYThe pilot's failure to maintain control of the glider while landing.Oct 24, 1998 · N4446T · Substantial damage NTSB FTW98LA301Accident · No injuriesLimited investigationFinal reportBurkhart Grob G103 Twin II · Refugio, TXThe pilot's inadvertent ground loop. A factor was the pilot's failure to follow procedures in securing the rear canopy, which resulted in the canopy opening in flight.Jul 5, 1998 · N103GG · Substantial damage NTSB ATL98LA079Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103 · Cordele, GAThe pilot's improper descent rate that led to a hard landing and porpoise, and his improper recovery from the ensuing bounced landing, resulting in the eventual separation of the empennage. A factor was the updraft.May 24, 1998 · N5448G · Substantial damage NTSB LAX97LA227Accident · Minor injuriesLimited investigationFinal reportBurkhart Grob G-103-TWIN II · Jacumba, CAThe pilot's abrupt rotation, which resulted in the breaking of the tow rope. A factor was the low altitude when the tow rope broke, precluding a landing on the runway.Jun 30, 1997 · N18AG · Substantial damage NTSB LAX95LA050Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103 · Tehachapi, CAthe pilot's poor in-flight planning/decision and inadequate airspeed. The downdraft and trees were factors in this accident.Dec 11, 1994 · N3950A · Substantial damage NTSB FTW94LA196Accident · No injuriesLimited investigationFinal reportBurkhart Grob G 103 Twin II · Wellington, COThe pilot's improper spoiler extension and flare.Jun 5, 1994 · N5462N · Substantial damage NTSB CHI94LA165Accident · No injuriesLimited investigationFinal reportBurkhart Grob BG 103 · Ionia, MIa hard landing as a result of the early disconnect of the glider launch/tow equipment.May 20, 1994 · N140BG · Substantial damage NTSB LAX92LA343Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob 103 · Truckee, CAThe inadequate aircraft maintenance and flight manuals and unavailable information pertaining to the inspection of the spoiler system. Contributing to this accident was the worn and jammed spoiler attachment limiting block.Aug 10, 1992 · N103FB · Substantial damage NTSB CHI92LA143Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103 · Ionia, MIThe pilot-in-command's improper preflight and decision to close the glider's canopy at low altitude.May 10, 1992 · N140BG · Substantial damage NTSB NYC91LA225Accident · No injuriesLimited investigationFinal reportBurkhart Grob G103B · Marion, OHThe pilot's improper decision to change landing runways with insufficient altitude and airspeed which resulted in a dragged wing and ground loop.Jul 17, 1991 · N5448X · Substantial damage NTSB NYC88LA161Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-103A · Franconia, NHDuring takeoff, turbulence was encountered and the student pilot had a hard time controlling the glider. As the instructor took control, the student released the tow rope. The instructor pushed the nose down and turned in an attempt to level the wings, but…Jun 5, 1988 · N49443 · Substantial damage NTSB LAX87LA006Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob G103 Twin II · Calistoga, CAAt the end of a local pleasure flight near clistoga, claifornia, the pilot stated the nose of his glider was pushed down while on base leg at calistaga airpark. Due to a loss in altitude to increase airspeed, the pilot was unable to reach the runway. A forced…Oct 4, 1986 · N914G · Substantial damage NTSB NYC86DNC01Accident · Minor injuriesFinal reportBurkhart Grob 103 · Franconia, NHThe pilot flying a grob 103 was engaged in ridge soaring when the aircraft encountered down or sinking air. The aircraft was unable to recover prior to striking trees. The aircraft received substantial damage and the pilot received serious injuries while the…Oct 12, 1985 · N4944G · Substantial damage NTSB LAX84LA076Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob G-103 · California City, CAAccording to the plt, he was turning to final approach when the glider's left wing struck the ground. Reportedly, he had gotten 'too low & slow.'Nov 27, 1983 · N62BG · Substantial damage