# NTSB investigations: Roll over 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. Page 3 of 4 · 181 cases ## Cases, newest first - [NTSB ANC94LA064](https://openairdocs.org/ntsb/ANC94LA064.md): Hiller FH1100 · Tyonek, AK · Accident · No injuries · Limited investigation · Final report · Jun 4, 1994 · N746FH · Substantial damage > The pilot's selection of unsuitable terrain for landing which resulted in a dynamic rollover. A factor was the soft landing area selected. - [NTSB MIA94LA049](https://openairdocs.org/ntsb/MIA94LA049.md): Robinson R-22 · Dorado, PR · Accident · No injuries · Limited investigation · Final report · Jan 12, 1994 · N8044Y · Substantial damage > The flight instructor's inadequate supervision of the student and failing to follow the procedures in the flight training guide. - [NTSB BFO94LA020](https://openairdocs.org/ntsb/BFO94LA020.md): Robinson R-22 · Rockland, ME · Accident · No injuries · Limited investigation · Final report · Nov 27, 1993 · N8380J · Substantial damage > 1) The pilot's failure to maintain adequate rotor RPM, 2) the pilot's failure to maintain directional control on landing, resulting in a dynamic rollover. - [NTSB LAX94LA037](https://openairdocs.org/ntsb/LAX94LA037.md): Robinson R-22 · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · Nov 6, 1993 · N803EH · Substantial damage > Improper remedial action by the student pilot. Lack of total experience is a factor. - [NTSB ATL94LA009](https://openairdocs.org/ntsb/ATL94LA009.md): Bell 47G2 · Billingsley, AL · Accident · No injuries · Limited investigation · Final report · Oct 25, 1993 · N866Z · Substantial damage > The pilot's improper vertical liftoff which resulted in dynamic roll-over and the main rotor's impact with the ground. - [NTSB FTW93LA090](https://openairdocs.org/ntsb/FTW93LA090.md): Bell 206B · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Feb 23, 1993 · N224TV · Substantial damage > The passengers inadvertent control interference. A factor was the pilot's inadequate supervision of the passenger - [NTSB MIA93LA050](https://openairdocs.org/ntsb/MIA93LA050.md): Bell 206B-III · Lantana, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 17, 1993 · N117TV · Substantial damage > The pilot-in-command's failure to assure that the helicopter was properly positioned on the landing platform. - [NTSB LAX92LA333](https://openairdocs.org/ntsb/LAX92LA333.md): Schweizer 269C · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Aug 5, 1992 · N36225 · Substantial damage > The pilot's inadequate preflight inspection by failing to untie the front skid tiedown rope. - [NTSB LAX92LA254](https://openairdocs.org/ntsb/LAX92LA254.md): Bell 206-L3 · Waikoloa, HI · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1992 · N2267N · Substantial damage > Failure of the rear landing gear cross tube due to corrosion. - [NTSB LAX92LA245](https://openairdocs.org/ntsb/LAX92LA245.md): Enstrom F28A · Hanford, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1992 · N159Q · Substantial damage > The pilot's failure to maintain rotor RPM during the takeoff. Contributing factors were: the pilot's lack of familiarity with the aircraft and unfavorable winds that existed at the time of takeoff. - [NTSB BFO92LA062](https://openairdocs.org/ntsb/BFO92LA062.md): Continental Copters MK6B · Middleboro, MA · Accident · No injuries · Limited investigation · Final report · May 14, 1992 · N9012T · Substantial damage > The pilot's failure to release a tie down strap from the helicopter's skid during the preflight. - [NTSB ANC92LA065](https://openairdocs.org/ntsb/ANC92LA065.md): Bell B206 II · Valdez, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 28, 1992 · N371EH · Substantial damage > The pilot's failure to follow the company procedures and directives. Factor was the whiteout conditions. - [NTSB NYC92LA082](https://openairdocs.org/ntsb/NYC92LA082.md): Robinson R-22B · Columbus, OH · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1992 · N104MB · Substantial damage > The pilot's improper preflight of the helicopter, which resulted in a tie down strap not being removed prior to attempted flight, and the subsequent roll over and collision with the ramp. - [NTSB LAX92LA168](https://openairdocs.org/ntsb/LAX92LA168.md): Robinson R-22B · Carlsbad, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 1992 · N4071J · Substantial damage > The pilot's inadequate compensation for wind conditions, his failure to arrest the descent rate in a timely fashion, and the selection of unsuitable terrain on which to practice autorotations. - [NTSB LAX92LA114](https://openairdocs.org/ntsb/LAX92LA114.md): Bell 206BIII · San Ardo, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 1992 · N3903L · Substantial damage > The pilot's decision to land in a plowed field made soft from winter rain shower activity. - [NTSB LAX92LA030](https://openairdocs.org/ntsb/LAX92LA030.md): Bell 47-G5A · Kosrae · Accident · 1 fatal · Limited investigation · Final report · Oct 31, 1991 · N7162R · Destroyed > The pilot-in-command's improper preflight inspection of the helicopter resulting in a tiedown strap not being removed from the right skid and subsequent roll over on takeoff. - [NTSB LAX91LA407](https://openairdocs.org/ntsb/LAX91LA407.md): Robinson R-22 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Sep 26, 1991 · N2302A · Substantial damage > 1) Incorrect control input by the student pilot and 2) the flight instructor's inadequate supervision of his student. A contributing factor in this accident was the unfavorable wind conditions. - [NTSB LAX91LA307](https://openairdocs.org/ntsb/LAX91LA307.md): Robinson R22A · El Cerrito, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 1991 · N4070H · Substantial damage > The instructor pilot's improper slope takeoff technique. - [NTSB ANC91FA001](https://openairdocs.org/ntsb/ANC91FA001.md): Hughes 500D · Kennsington, AK · Accident · Serious injuries · Field investigation · Final report · Oct 4, 1990 · N1107G · Substantial damage > The loss of control during takeoff due to dynamic rollover. Contributing to the accident was the pilot-in-command's selection of an uneven landing area. - [NTSB LAX90LA335](https://openairdocs.org/ntsb/LAX90LA335.md): Enstrom F28F · Beatty, NV · Accident · No injuries · Limited investigation · Final report · Sep 6, 1990 · N8620A · Substantial damage > The pilot's selection of unsuitable terrain on which to land. Loose shale rock and sloping downhill terrain were factors in the accident. - [NTSB LAX90LA303](https://openairdocs.org/ntsb/LAX90LA303.md): Hughes 369D · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Aug 24, 1990 · N5012A · Substantial damage > The pilot's decision to exit the helicopter with the engine running and no one at the controls. - [NTSB ANC90LA119](https://openairdocs.org/ntsb/ANC90LA119.md): Bell 206B · Goodnews Bay, AK · Accident · No injuries · Limited investigation · Final report · Jul 18, 1990 · N4796B · Substantial damage > The pilot selected unsuitable terrain. The wet & soft tundra was a factor. - [NTSB LAX90LA210](https://openairdocs.org/ntsb/LAX90LA210.md): Hughes 269B · Paso Robles, CA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1990 · N691RR · Substantial damage > This accident was dynamic rollover due to the terrain slope exceeding the capability of the helicopter. - [NTSB LAX90LA186](https://openairdocs.org/ntsb/LAX90LA186.md): Hughes 269A · La Verne, CA · Accident · Minor injuries · Limited investigation · Final report · May 23, 1990 · N8793F · Substantial damage > Ground resonance due to an inadequately maintained strut. - [NTSB MKC90LA117](https://openairdocs.org/ntsb/MKC90LA117.md): Bell 47G · Wynne, AR · Accident · Serious injuries · Limited investigation · Final report · May 14, 1990 · N41SD · Substantial damage > Landing gear skid entangled with a fuel hose. A factor was the pilot's inadequate preflight inspection. - [NTSB ATL90LA112](https://openairdocs.org/ntsb/ATL90LA112.md): Robinson R22 Beta · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N2579W · Substantial damage > Failure of the student (rated) pilot to maintain control of the helicopter, and insufficient supervision by the instructor pilot (CFI). - [NTSB FTW90LA107](https://openairdocs.org/ntsb/FTW90LA107.md): Bell 206BIII · Kaplan, LA · Accident · No injuries · Limited investigation · Final report · May 8, 1990 · N2187P · Substantial damage > Restricted movement of the right skid assembly causing the lateral center of gravity to be exceeded during the attempted take off. - [NTSB LAX90LA164](https://openairdocs.org/ntsb/LAX90LA164.md): Bell 47G · Riverside, CA · Accident · Minor injuries · Limited investigation · Final report · May 4, 1990 · N9FK · Substantial damage > The pilot's failure to maintain control of the helicopter. A factor related to the accident was: the pilot's lack of experience in the type of aircraft. - [NTSB LAX90LA091](https://openairdocs.org/ntsb/LAX90LA091.md): Robinson R-22 Beta · Corona, CA · Accident · No injuries · Limited investigation · Final report · Feb 16, 1990 · N777FH · Substantial damage > Helicopter rolling over in a dirt field after the pilot was demonstrating an engine faiure and autorotation maneuver. - [NTSB FTW90LA061](https://openairdocs.org/ntsb/FTW90LA061.md): Robinson R22 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · Feb 1, 1990 · N25318 · Substantial damage > Inadequate preflight by the pilot by not identifying and removing the tie-down. - [NTSB FTW90LA007](https://openairdocs.org/ntsb/FTW90LA007.md): Bell 206B-III · High Island 474 (Gulf of Mexico) · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1989 · N3889W · Substantial damage > The pilot's attempted takeoff with one tie-down strap still attached to the helicopter which resulted from an inadequatepreflight inspection of the aircraft. - [NTSB MKC89LA178](https://openairdocs.org/ntsb/MKC89LA178.md): Bell 206B · Marys Home, MO · Accident · No injuries · Limited investigation · Final report · Aug 11, 1989 · N43BL · Substantial damage > The failure of the pilot to maintain control of the helicopter. - [NTSB FTW89LA079](https://openairdocs.org/ntsb/FTW89LA079.md): Enstrom F28C · Padre Island, TX · Accident · No injuries · Limited investigation · Final report · Apr 8, 1989 · N51774 · Substantial damage > The pilot's decision to fly in adverse weather condition. The adverse weather was a related factor. - [NTSB FTW89LA026](https://openairdocs.org/ntsb/FTW89LA026.md): Bell 206B · Chalmette, LA · Accident · No injuries · Limited investigation · Final report · Nov 23, 1988 · N83109 · Substantial damage > The rated pilot's inadequate takeoff technique the the instructor pilot's momentary lack of judgement in having the pilot attempt a hydraulics off takeoff. - [NTSB NYC88LA204](https://openairdocs.org/ntsb/NYC88LA204.md): Sikorsky S-76A · Teterboro, NJ · Accident · No injuries · Limited investigation · Final report · Aug 7, 1988 · N69WW · Substantial damage > The S-76 helicopter was taxiing on its company ramp when the copilot taxied onto a grass area. During a left turn the right main wheel stuck in a soft spot and the helicopter rolled over on its right side receiving substantial damage. The ground maneuver that… - [NTSB SEA88LA127](https://openairdocs.org/ntsb/SEA88LA127.md): Enstrom F-28F · Haines, AK · Accident · No injuries · Limited investigation · Final report · Jul 13, 1988 · N8620C · Substantial damage > The pilot purchased the helicopter with an undocumented modification designed to restrain the collective. Reportedly, hereceived no guidance regarding the use of the collective hold-down device. According to the aircraft manufacturer there existed no Enstrom… - [NTSB ANC88LA086](https://openairdocs.org/ntsb/ANC88LA086.md): Hughes 369D · Kitoi Bay, AK · Accident · No injuries · Limited investigation · Final report · Jul 9, 1988 · N1089D · Substantial damage > The helicopter landed with the left skid against a survey stake which protruded from the ground about 6 inches. Upon liftoff the skid did not clear the metal stake before the helicopter started moving laterally to the left. The left skid remained against the… - [NTSB SEA88LA064](https://openairdocs.org/ntsb/SEA88LA064.md): Marlow Hilyard Executive · Elko, NV · Accident · Serious injuries · Limited investigation · Final report · Mar 20, 1988 · N5045J · Destroyed > The pilot made a landing on sloping terrain. The gyrocopter rolled to the left with the main rotor striking sage brush. The engine was twisted from its mounts rupturing a fuel line. A fire resulted consuming the gyrocopter. The pilot did not hold a pilot or… - [NTSB FTW88LA073](https://openairdocs.org/ntsb/FTW88LA073.md): Brantly Helicopter B-2B · Decatur, TX · Accident · No injuries · Limited investigation · Final report · Feb 27, 1988 · N2233U · Substantial damage > The non-certificated pilot flew the helicopter from his ranch to Decatur for refueling. After landing, he realized that he was too FAR from the fuel pump. Upon liftoff to move closer to the pump the helicopter rolled over. The pilot attributed the accident to… - [NTSB LAX88FA085](https://openairdocs.org/ntsb/LAX88FA085.md): Bell 47G-2A1 · San Diego, CA · Accident · 1 fatal · Field investigation · Final report · Jan 13, 1988 · XBDGH · Destroyed > Pilots complacency in performing the preflight inspection. His failure to disconnect the two tie downs straps attached to the right side of the helicopter resulted the roll. - [NTSB DEN87LA189](https://openairdocs.org/ntsb/DEN87LA189.md): Aerospatiale SA316B · Red Lodge, MT · Accident · No injuries · Limited investigation · Final report · Jul 19, 1987 · N48184 · Substantial damage > The plt said he was getting ready to take off from a 9400-FT MSL landing zone a top a mountain 7 mi ssw of Red Lodge, MT. The plat said the helicopter was positioned on a slight north-south slope and pointed towards the west. The wind was from the south… - [NTSB ATL87DEI05](https://openairdocs.org/ntsb/ATL87DEI05.md): Bell 47G-2 · Lisbon, OH · Accident · Minor injuries · Final report · Jun 14, 1987 · N984B · Substantial damage > The helicopter rolled over as it was lifting off from a transport trailer. A post-crash exam revealed that the left rear tie-down strap on the trailer was wrapped around one of the helicopter skids. The ground crewman believed he had removed all of the straps… - [NTSB LAX87DUJ05](https://openairdocs.org/ntsb/LAX87DUJ05.md): Hiller UH-12E · Tolleson, AZ · Accident · No injuries · Final report · May 19, 1987 · N4034T · Destroyed > The plt stated that he landed the acft on a platform on top of a chemical tank truck. The truck was parked on a slight slope with its left side six inches lower than the right. The plt reduced power to idle and the loader began to load the helicopter with… - [NTSB ANC86LA096](https://openairdocs.org/ntsb/ANC86LA096.md): Cessna 170B · Alexander Creek, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 1, 1986 · N2806C · Substantial damage > While landing on a river bar, the acft drifted to the left of the normal touchdown zone. Subsequently, the wheels entered soft sand and the airplane turned over. - [NTSB MIA86LA147](https://openairdocs.org/ntsb/MIA86LA147.md): Hughes 269C · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · May 4, 1986 · N8993F · Substantial damage > The plt stated that as he was landing on a dolly, the helicopter experienced ground resonance & began to shake violently. It then rolled over on its side, causing the main rotor blades to strike the tail boom & the ground. - [NTSB LAX86FUG04](https://openairdocs.org/ntsb/LAX86FUG04.md): Rotorway Scorpion 133 · Corona, CA · Accident · No injuries · Final report · Mar 2, 1986 · UNREG · Destroyed > The plt stated he was 'running up the engine' after making some adjustments. The helicopter was tied down when the plt lifted off to a 5 to 6 ft hover. The helicopter tipped to the right, the main rotor blades contacted the terrain and the helicopter rolled… - [NTSB DEN86LA082](https://openairdocs.org/ntsb/DEN86LA082.md): Aerospatiale SA315B · Meeker, CO · Accident · Minor injuries · Limited investigation · Final report · Feb 20, 1986 · N27387 · Substantial damage > During the lift off the right skid toe of the helicopter caught a seismic cable which was covered by aprx 2 ft of snow. The plt stated he brought the acft to a hover after off loading 2 pax & started a right sideward hover. When the slack was out of the… - [NTSB NYC85LA221](https://openairdocs.org/ntsb/NYC85LA221.md): Robinson R22 · Ronkonkoma, NY · Accident · No injuries · Limited investigation · Final report · Aug 24, 1985 · N90773 · Substantial damage > During a local training flight the student was attempting a lift off and began to drift to the left. The students control input was to the left aggravating the situation. The instructor took control of the aircraft however the roll over had progressed to an… - [NTSB CHI85LA254](https://openairdocs.org/ntsb/CHI85LA254.md): Bell 47G-4 · Lakeville, MN · Accident · No injuries · Limited investigation · Final report · Jun 26, 1985 · N3094G · Substantial damage > The acft was being landed on a trailer for transportation. Upon touchdown the right skid hooked on the landing guides and the helicopter rolled to the right side. The main rotor blades struck the ground, the left fuel tank ruptured and an explosion and fire… - [NTSB CHI85FA198](https://openairdocs.org/ntsb/CHI85FA198.md): Bell 47G-2 · Burlington, MI · Accident · 1 fatal · Field investigation · Final report · May 16, 1985 · N3755J · Substantial damage > The helicopter was departing from a trailer which was sloped 5 degs to the left. During takeoff, the left skid lifted off first and the helicopter drifted to the right. The right skid caught on the trailer guides and the helicopter rolled over to the right. Next page: https://openairdocs.org/ntsb.md?occurrence=380&page=4 ## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 380) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=380&page=3 --- 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.