# NTSB investigations: Dynamic rollover

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 2 of 3 · 102 cases

## Cases, newest first

- [NTSB GAA18CA147](https://openairdocs.org/ntsb/GAA18CA147.md): Robinson Helicopter R44 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Feb 24, 2018 · N7519G · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in a dynamic rollover.
- [NTSB GAA18CA089](https://openairdocs.org/ntsb/GAA18CA089.md): Robinson Helicopter R44 · Newark, OH · Accident · Minor injuries · Data collection · Final report · Dec 13, 2017 · N441ML · Substantial damage
  > The pilot’s failure to maintain lateral control of the helicopter during takeoff, which resulted in dynamic rollover.
- [NTSB GAA17CA551](https://openairdocs.org/ntsb/GAA17CA551.md): Robinson Helicopter R22 · Santa Barbara, CA · Accident · No injuries · Data collection · Final report · Sep 24, 2017 · N177SR · Substantial damage
  > The student pilot’s unstabilized hover, which resulted in ground contact and a dynamic rollover. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB GAA17CA509](https://openairdocs.org/ntsb/GAA17CA509.md): Robinson Helicopter R22 · Bremerton, WA · Accident · No injuries · Data collection · Final report · Aug 24, 2017 · N7198J · Substantial damage
  > The student pilot’s improper bank control during takeoff, which resulted in a dynamic rollover.
- [NTSB CEN17RA377](https://openairdocs.org/ntsb/CEN17RA377.md): Mcdonnell Douglas MD900 · Heiligenblut, Austria · Accident · Minor injuries · Foreign investigation · Aug 1, 2017 · OE-XWF · Substantial damage
  > On August 1, 2017, at 1815 UTC, a McDonnell Douglas MD 900 Helicopter, Austrian registration OE-XWF, impacted mountainous terrain about 8 miles west-northwest of Heiligenblut, Austria. One medical crewmember sustained minor injuries. The pilot, the other…
- [NTSB GAA17CA383](https://openairdocs.org/ntsb/GAA17CA383.md): Robinson Helicopter R44 · Easton, PA · Accident · No injuries · Data collection · Final report · Jul 4, 2017 · N3025J · Substantial damage
  > The pilot’s distraction during liftoff due to the tail rotor chip warning light illuminating, which resulted in the helicopter drifting right, the skid touching down, and a dynamic roll-over.
- [NTSB GAA17CA296](https://openairdocs.org/ntsb/GAA17CA296.md): Schweizer 269C · Eden Prairie, MN · Accident · Minor injuries · Data collection · Final report · May 22, 2017 · N2032S · Substantial damage
  > The student pilot's loss of lateral control while practicing autorotations from a hover and the flight instructor's delayed remedial action, which resulted in a bounced landing and dynamic roll-over.
- [NTSB ERA17CA187](https://openairdocs.org/ntsb/ERA17CA187.md): Robinson R22 · Linden, NJ · Accident · No injuries · Data collection · Final report · May 20, 2017 · N2322Z · Substantial damage
  > The flight instructor's failure to maintain helicopter control while hovering, which resulted in skid contact with the ground and a dynamic roll-over.
- [NTSB GAA17CA251](https://openairdocs.org/ntsb/GAA17CA251.md): Bender Joseph KIT Rotoway · Wheatland, WY · Accident · No injuries · Data collection · Final report · Apr 30, 2017 · N164JB · Substantial damage
  > The pilot's decision to operate the helicopter in gusting wind and high-density altitude conditions and his positioning of the helicopter such that it resulted in a right quartering tailwind, which resulted in a loss of helicopter control due to a loss of…
- [NTSB GAA17CA132](https://openairdocs.org/ntsb/GAA17CA132.md): Bell Helicopter Textron 206 · Carson City, NV · Accident · Minor injuries · Data collection · Final report · Feb 2, 2017 · N519EH · Substantial damage
  > The pilot-in-command’s delayed remedial action to arrest the right yaw after the bounced landing while operating in a flight regime conducive to the loss of tail rotor effectiveness, which resulted in a roll-over.
- [NTSB GAA17CA130](https://openairdocs.org/ntsb/GAA17CA130.md): Robinson Helicopter R22 · Armstrong, TX · Accident · No injuries · Data collection · Final report · Jan 31, 2017 · N883KC · Substantial damage
  > The pilot’s failure to remove the left helicopter skid tie-down before takeoff, which resulted in dynamic roll-over.
- [NTSB GAA17CA092](https://openairdocs.org/ntsb/GAA17CA092.md): Pitcairn PA 18 · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Nov 18, 2016 · N12680 · Substantial damage
  > The pilot’s failure to correct the gyroplane’s right roll during the landing, which resulted in the exceedance of its critical angle and a subsequent roll-over. Contributing to the accident were the pilot’s focus on preventing a potential ground loop instead…
- [NTSB WPR17LA019](https://openairdocs.org/ntsb/WPR17LA019.md): Bell 206B · Yuma, AZ · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 2016 · N914HH · Substantial damage
  > The pilot’s inability to maintain helicopter control after its skid got caught on the landing pad while he was maneuvering the helicopter to land on it, which resulted in a dynamic roll-over.
- [NTSB CEN16LA182](https://openairdocs.org/ntsb/CEN16LA182.md): Bell 47G 3B 1 · Portia, AR · Accident · 1 fatal · Limited investigation · Final report · May 13, 2016 · N48316 · Substantial damage
  > The pilot's decision to perform a sliding takeoff from the elevated platform, which resulted in a dynamic rollover when the right skid plate caught on a protruding screw. Contributing to the accident was the pilot's failure to adequately inspect the landing…
- [NTSB ERA16LA104](https://openairdocs.org/ntsb/ERA16LA104.md): Bell 206 · Linden, NJ · Accident · Serious injuries · Limited investigation · Final report · Feb 6, 2016 · N206R · Substantial damage
  > The pilot receiving instruction's failure to maintain helicopter control during the initial takeoff, which resulted in a dynamic rollover. Contributing to the accident was the flight instructor's inadequate remedial action due to his distraction by looking…
- [NTSB WPR15CA119](https://openairdocs.org/ntsb/WPR15CA119.md): Robinson Helicopter R22 Beta · San Bernardino, CA · Accident · Minor injuries · Data collection · Final report · Mar 3, 2015 · N4003S · Substantial damage
  > The pilot's failure to maintain adequate clearance from the ground, which resulted in a loss of control and subsequent dynamic rollover.
- [NTSB CEN15TA017](https://openairdocs.org/ntsb/CEN15TA017.md): Airbus Helicopters AS 350 B3 · Lordsburg, NM · Accident · Minor injuries · Final report · Oct 17, 2014 · N852BP · Substantial damage
  > The pilot’s failure to maintain adequate drift control and skid clearance from the ground during takeoff, which resulted in a dynamic rollover when the aft right skid contacted a rock.
- [NTSB CEN15CA007](https://openairdocs.org/ntsb/CEN15CA007.md): Bell 206B · Atlanta, AR · Accident · Serious injuries · Data collection · Final report · Oct 3, 2014 · N4426M · Substantial damage
  > The pilot's inadequate preflight inspection when he did not remove a tie-down strap prior to takeoff, which resulted in a dynamic rollover.
- [NTSB WPR14CA373](https://openairdocs.org/ntsb/WPR14CA373.md): Bell 407 · Moab, UT · Accident · Minor injuries · Data collection · Final report · Sep 11, 2014 · N142MA · Substantial damage
  > The pilot's failure to ensure adequate clearance from terrain while landing on sloped terrain.
- [NTSB WPR14CA319](https://openairdocs.org/ntsb/WPR14CA319.md): Bell 206B · Salinas, CA · Accident · No injuries · Data collection · Final report · Jul 19, 2014 · N291SH · Substantial damage
  > The pilot's failure to ensure adequate clearance from ground obstacles during takeoff which resulted in loss of aircraft control.
- [NTSB WPR14CA196](https://openairdocs.org/ntsb/WPR14CA196.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Data collection · Final report · May 18, 2014 · N16414 · Substantial damage
  > The pilot's failure to maintain aircraft control after the helicopter's skid catching on the side of a trailer during takeoff, which resulted in a dynamic rollover.
- [NTSB ERA14CA217](https://openairdocs.org/ntsb/ERA14CA217.md): Robinson Helicopter R22 Beta · Frederick, MD · Accident · Minor injuries · Data collection · Final report · May 1, 2014 · N802CP · Substantial damage
  > The student pilot's failure to maintain directional control during the hover, and the flight instructors lack of remedial action, resulting in a dynamic rollover and structural damage to the helicopter.
- [NTSB WPR14LA113](https://openairdocs.org/ntsb/WPR14LA113.md): Bell 206 · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Feb 5, 2014 · N3211N · Substantial damage
  > The pilots' inaccurate assessment of the snow depth on the landing zone, which resulted in a landing on snow deeper than that for which the helicopter was equipped and led to dynamic rollover.
- [NTSB CEN14CA108](https://openairdocs.org/ntsb/CEN14CA108.md): Robinson Helicopter R22 Beta · Beaumont, TX · Accident · No injuries · Data collection · Final report · Jan 9, 2014 · N994HV · Substantial damage
  > The student pilot not controlling the helicopter following a wind gust and the flight instructor's inadequate remedial action resulting in the helicopter rolling over on its side during a landing.
- [NTSB ANC13CA041](https://openairdocs.org/ntsb/ANC13CA041.md): Bell Helicopter Textron 206L-1 · Anaktuvuk Pass, AK · Accident · No injuries · Data collection · Final report · May 1, 2013 · N1171 · Substantial damage
  > The pilot's failure to maintain lateral control while hovering over an area of snow-covered terrain, in flat light conditions, which resulted in a dynamic rollover.
- [NTSB WPR12CA405](https://openairdocs.org/ntsb/WPR12CA405.md): Robinson Helicopter R22 Beta · Lake Newman, WA · Accident · No injuries · Data collection · Final report · Sep 7, 2012 · N212SH · Substantial damage
  > The flight instructor's failure to maintain clearance from terrain while correcting for the student pilot's failure to maintain directional control of the helicopter.
- [NTSB ANC12FA084](https://openairdocs.org/ntsb/ANC12FA084.md): Mcdonnell Douglas Helicopter 600N · Delta Junction, AK · Accident · 1 fatal · Field investigation · Final report · Aug 8, 2012 · N737TV · Substantial damage
  > The pilot’s failure to clear the left landing gear skid, which resulted in the entanglement of the left landing gear skid with a log, and his subsequent application of collective pitch, which resulted in a dynamic rollover.
- [NTSB WPR12FA298](https://openairdocs.org/ntsb/WPR12FA298.md): Robinson Helicopter R22 Beta · Murrieta, CA · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2012 · N7527Y · Substantial damage
  > The pilot's failure to maintain clearance from high vegetation while making a hovering turn, which resulted in a dynamic rollover.
- [NTSB CEN12CA191](https://openairdocs.org/ntsb/CEN12CA191.md): Bell 206L-3 · Southern Timbalier 52CA · Accident · No injuries · Data collection · Final report · Mar 12, 2012 · N104LP · Substantial damage
  > The pilot’s inadequate preflight inspection when he did not remove a tie-down strap prior to takeoff, which resulted in a dynamic rollover.
- [NTSB ANC12CA025](https://openairdocs.org/ntsb/ANC12CA025.md): Hughes 369 · Trading Bay, AK · Accident · No injuries · Data collection · Final report · Mar 11, 2012 · C-GVEB · Substantial damage
  > The pilot's selection of an unsuitable landing site in flat-light conditions, which resulted in an inadvertent dynamic rollover.
- [NTSB ERA12LA210](https://openairdocs.org/ntsb/ERA12LA210.md): Bell 206B · Titusville, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 6, 2012 · N83AP · Substantial damage
  > The flight instructor's attempted takeoff in gusting wind conditions while the student pilot was adjusting her anti-torque pedals, which resulted in a dynamic rollover event.
- [NTSB ANC11LA108](https://openairdocs.org/ntsb/ANC11LA108.md): Eurocopter AS 350 BA · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Sep 26, 2011 · N230CH · Substantial damage
  > Upslope wind conditions while the helicopter was operating at ground idle, which resulted in the helicopter rollover. Contributing to the accident was the lack of manufacturer data regarding the effect of upslope wind conditions on helicopter ground idle…
- [NTSB CEN11CA627](https://openairdocs.org/ntsb/CEN11CA627.md): Robinson Helicopter R44 · Batesville, TX · Accident · No injuries · Data collection · Final report · Aug 26, 2011 · N99FJ · Substantial damage
  > The pilot’s inadequate preflight inspection that failed to ensure all tie-down clamps were removed prior to takeoff, which resulted in the helicopter’s dynamic rollover.
- [NTSB CEN11CA524](https://openairdocs.org/ntsb/CEN11CA524.md): Texas Helicopter OH-13H/M74A · Creston, IL · Accident · Minor injuries · Data collection · Final report · Jul 28, 2011 · N10009 · Substantial damage
  > The pilot's failure to maintain adequate skid clearance from the helicopter cart during landing, resulting in a dynamic rollover.
- [NTSB WPR11LA190](https://openairdocs.org/ntsb/WPR11LA190.md): Bell 47G · Torrance, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 6, 2011 · N9FK · Substantial damage
  > The pilot did not maintain adequate altitude during takeoff, which resulted in ground contact and a dynamic rollover.
- [NTSB ERA11CA201](https://openairdocs.org/ntsb/ERA11CA201.md): Schweizer 269C-1 · Mount Pocono, PA · Accident · No injuries · Data collection · Final report · Mar 20, 2011 · N153HT · Substantial damage
  > The flight instructor's selection of an unsuitable landing site to practice autorotations, which resulted in an inadvertent dynamic rollover during touchdown.
- [NTSB CEN11CA213](https://openairdocs.org/ntsb/CEN11CA213.md): Robinson Helicopter R44 II · Glenwood Springs, CO · Accident · No injuries · Data collection · Final report · Mar 1, 2011 · N74816 · Substantial damage
  > The pilot’s improper takeoff procedure, which resulted in a dynamic rollover when the left skid contacted the ground.
- [NTSB CEN11CA167](https://openairdocs.org/ntsb/CEN11CA167.md): Robinson Helicopter R22 Beta · Anoka, MN · Accident · Serious injuries · Data collection · Final report · Jan 29, 2011 · N7195B · Substantial damage
  > The student pilot's control inputs that resulted in an inadvertent dynamic rollover and the CFI's inadequate supervision of the flight.
- [NTSB WPR10LA458](https://openairdocs.org/ntsb/WPR10LA458.md): Robinson Helicopter R44 II · Mammoth, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 2010 · N2153S · Substantial damage
  > Dynamic rollover of the helicopter during a precautionary landing.
- [NTSB CEN10CA537](https://openairdocs.org/ntsb/CEN10CA537.md): Lewis Brandon Scott Exterminator · Rockford, IL · Accident · Minor injuries · Data collection · Final report · Sep 12, 2010 · N815SL · Substantial damage
  > The pilot's failure to maintain control of the gyrocopter while practicing takeoffs and landings.
- [NTSB CEN10LA477](https://openairdocs.org/ntsb/CEN10LA477.md): Bell 206B · Rocky Mount, MO · Accident · No injuries · Limited investigation · Final report · Aug 13, 2010 · N54BE · Substantial damage
  > A dynamic rollover inadvertently induced by the pilot during landing.
- [NTSB ERA10CA319](https://openairdocs.org/ntsb/ERA10CA319.md): Robinson Helicopter R22 Beta · West Palm Beach, FL · Accident · No injuries · Data collection · Final report · Jun 19, 2010 · N7988H · Destroyed
  > The CFI's failure to prevent ground contact during hover, which resulted in a dynamic rollover.
- [NTSB ANC10CA040](https://openairdocs.org/ntsb/ANC10CA040.md): Robinson Helicopter R44 · Seward, AK · Accident · No injuries · Data collection · Final report · May 15, 2010 · N81191 · Substantial damage
  > The pilot's failure to maintain clearance from snow-covered terrain while hovering in flat light conditions, which resulted in a dynamic rollover.
- [NTSB ERA10CA242](https://openairdocs.org/ntsb/ERA10CA242.md): Seymour Robert M Rotorway 162F · Dallas, GA · Accident · No injuries · Data collection · Final report · Apr 23, 2010 · N831MS · Substantial damage
  > The student pilot's failure to maintain control of the helicopter during landing resulting in a roll over.
- [NTSB CEN10CA156](https://openairdocs.org/ntsb/CEN10CA156.md): Robinson Helicopter R22 Beta · Houston, TX · Accident · No injuries · Data collection · Final report · Mar 13, 2010 · N822SH · Substantial damage
  > The student pilot's loss of directional control during takeoff, resulting in a dynamic rollover of the helicopter.
- [NTSB WPR10CA100](https://openairdocs.org/ntsb/WPR10CA100.md): Bell 206B · Kalispell, MT · Accident · No injuries · Data collection · Final report · Jan 7, 2010 · N127TP · Substantial damage
  > The pilot's failure to maintain lateral drift control during landing.
- [NTSB CEN10FA079](https://openairdocs.org/ntsb/CEN10FA079.md): Sikorsky S-76C++ · Gulf of Mexico (Gulf of Mexico) · Accident · No injuries · Field investigation · Final report · Dec 24, 2009 · N798P · Substantial damage
  > The pilot's failure to fully land the helicopter prior to entering a turn in strong, crosswind conditions, which resulted in a dynamic rollover.
- [NTSB ERA10CA065](https://openairdocs.org/ntsb/ERA10CA065.md): Robinson Helicopter R22 Beta · Georgetown, KY · Accident · Minor injuries · Data collection · Final report · Nov 14, 2009 · N2374 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the surface during lateral hover, which resulted in dynamic rollover.
- [NTSB ERA09CA337](https://openairdocs.org/ntsb/ERA09CA337.md): Robinson Helicopter R44 II · Meredith, NH · Accident · No injuries · Data collection · Final report · May 25, 2009 · N47GT · Substantial damage
  > The pilot’s failure to maintain control during landing.
- [NTSB ERA09CA249](https://openairdocs.org/ntsb/ERA09CA249.md): Bell 206 · West Palm Beach, FL · Accident · No injuries · Data collection · Final report · Apr 17, 2009 · N25PM · Substantial damage
  > The pilot’s failure to maintain aircraft control during taxi, which resulted in a dynamic rollover.

Next page: https://openairdocs.org/ntsb-events/231/cases.md?page=3

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '231')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/231/cases?page=2

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