# NTSB investigations: Robinson Helicopter R66

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 CEN26FA207](https://openairdocs.org/ntsb/CEN26FA207.md): Robinson Helicopter R66 · Dawsonville, GA · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 30, 2026 · N4488H · Substantial damage
  > On May 29, 2026, about 2150 eastern daylight time, a Robinson R66 helicopter, N4488H, was substantially damaged when it was involved in an accident near Dawsonville, Georgia. The commercial pilot and one passenger were fatally injured. The other passenger had…
- [NTSB CEN26LA203](https://openairdocs.org/ntsb/CEN26LA203.md): Robinson Helicopter R66 · Fort Worth, TX · Accident · Serious injuries · Class 4 · Limited · Final report · May 27, 2026 · N5488H · Substantial damage
  > The flight instructor’s delayed remedial action and the student pilot’s failure to maintain helicopter control during hover.
- [NTSB CEN26LA153](https://openairdocs.org/ntsb/CEN26LA153.md): Robinson Helicopter R66 · Arlington, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 27, 2026 · N4059A · Substantial damage
  > The pilot’s failure to maintain clearance from terrain during the hover taxi.
- [NTSB CEN26LA119](https://openairdocs.org/ntsb/CEN26LA119.md): Robinson Helicopter R66 · Graford, TX · Accident · No injuries · Class 4 · Limited · Final report · Feb 19, 2026 · N940BH · Substantial damage
  > The pilot’s failure to maintain sufficient rotor speed during a practice autorotation to soft terrain which resulted in a loss of control and roll over.
- [NTSB WPR26FA031](https://openairdocs.org/ntsb/WPR26FA031.md): Robinson Helicopter R66 · Ekalaka, MT · Accident · 4 fatal · Class 3 · Field · Preliminary report · Oct 23, 2025 · N67GA · Substantial damage
  > On October 22, 2025, about 1830 mountain daylight time, a Robinson Helicopter Co. R66, N67GA, was substantially damaged when it was involved in an accident near Ekalaka, Montana. The pilot and 3 passengers were fatally injured. The helicopter was operated as…
- [NTSB CEN25FA367](https://openairdocs.org/ntsb/CEN25FA367.md): Robinson Helicopter R66 · Lakeville, MN · Accident · 2 fatal · Class 3 · Field · Preliminary report · Sep 6, 2025 · N6633L · Destroyed
  > On September 6, 2025, about 1442 central daylight time, a Robinson Helicopter Company R66 helicopter, N6633L was destroyed when it was involved in an accident near Lakeville, Minnesota. The pilot and passenger were fatally injured. The helicopter was operated…
- [NTSB CEN25LA277](https://openairdocs.org/ntsb/CEN25LA277.md): Robinson Helicopter R66 · Maynard, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 22, 2025 · N88911 · Substantial damage
  > On July 22, 2025, about 1400 central daylight time, a Robinson Helicopter Company R66 helicopter, N88911, was substantially damaged when it was involved in an accident near Maynard, Iowa. The pilot was uninjured. The helicopter was operated under Title 14…
- [NTSB WPR25LA199](https://openairdocs.org/ntsb/WPR25LA199.md): Robinson Helicopter R66 · Tukwila, WA · Accident · No injuries · Class 4 · Limited · Final report · Jun 30, 2025 · N23UP · Substantial damage
  > The pilot’s failure to maintain yaw control during a takeoff to a hover in a gusting crosswind, which resulted in a loss of directional control and a subsequent hard landing.
- [NTSB ERA25LA229](https://openairdocs.org/ntsb/ERA25LA229.md): Robinson Helicopter R66 · Valparaiso, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 12, 2025 · N633AF · Substantial damage
  > On June 12, 2025, about 1850 eastern daylight time, a Robinson Helicopter R66, N633AF, was substantially damaged when it was involved in an accident near Valparaiso, Florida. The pilot and passenger sustained minor injuries, and a second passenger was not…
- [NTSB ANC25FA044](https://openairdocs.org/ntsb/ANC25FA044.md): Robinson Helicopter R66 · Kaparuk, AK · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jun 4, 2025 · N962MD · Substantial damage
  > On June 4, 2025 about 1055 Alaska daylight time, a Robinson R66 turbine-powered helicopter, N962MD, was substantially damaged when it was involved in an accident near Kaparuk, Alaska. The pilot and passenger were fatally injured. The helicopter was operated…
- [NTSB CEN22LA387](https://openairdocs.org/ntsb/CEN22LA387.md): Robinson Helicopter R66 · Millville, MN · Accident · No injuries · Class 4 · Limited · Final report · Aug 16, 2022 · N641RZ · Substantial damage
  > The pilot’s inadequate inflight planning resulted in impact with a power line.
- [NTSB CEN22LA006](https://openairdocs.org/ntsb/CEN22LA006.md): Robinson Helicopter R66 · Delta, MO · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 5, 2021 · N266RK · Substantial damage
  > The pilot’s inadequate inflight planning and his failure to see and avoid a wire which resulted in contact with the wire and subsequent ground impact.
- [NTSB ERA21FA362](https://openairdocs.org/ntsb/ERA21FA362.md): Robinson Helicopter R66 · Monticello, GA · Accident · 3 fatal · Class 3 · Field · Final report · Sep 16, 2021 · N888DV · Destroyed
  > The pilot’s decision to continue the visual flight rules flight into deteriorating weather conditions during a dark night and over unlit terrain, which resulted in spatial disorientation and a subsequent loss of helicopter control.
- [NTSB CEN21LA421](https://openairdocs.org/ntsb/CEN21LA421.md): Robinson Helicopter R66 · Reynoldsville, IL · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N166LW · Substantial damage
  > The pilot’s failure to maintain clearance from the wire during low altitude operations in windy conditions.
- [NTSB WPR21FA300](https://openairdocs.org/ntsb/WPR21FA300.md): Robinson Helicopter R66 · Colusa, CA · Accident · 4 fatal · Class 3 · Field · Final report · Aug 1, 2021 · N7000J · Destroyed
  > The pilot’s abrupt flight control input that led to mast bumping and a subsequent in-flight breakup.
- [NTSB CEN21LA348](https://openairdocs.org/ntsb/CEN21LA348.md): Robinson Helicopter R66 · Merry, NE · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 30, 2021 · N857TL · Substantial damage
  > The pilot’s failure to maintain clearance from a wire during a low-level aerial application flight.
- [NTSB ERA21LA270](https://openairdocs.org/ntsb/ERA21LA270.md): Robinson Helicopter R66 · Waxhaw, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2021 · N7078V · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines during a low-level aerial application flight.
- [NTSB ERA21LA171](https://openairdocs.org/ntsb/ERA21LA171.md): Robinson Helicopter R66 · Palmyra, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N577DD · Substantial damage
  > The pilot’s improper judgment to attempt a flight while impaired by medications, which resulted in the helicopter’s abnormal ground contact, loss of control, and collision with terrain.
- [NTSB CEN21LA154](https://openairdocs.org/ntsb/CEN21LA154.md): Robinson Helicopter R66 · Duson, LA · Accident · No injuries · Class 4 · Limited · Final report · Mar 9, 2021 · N49XB · Substantial damage
  > The uncertified pilot’s failure to maintain control of the helicopter when encountering a wind gust while hovering to land.
- [NTSB ANC21LA020](https://openairdocs.org/ntsb/ANC21LA020.md): Robinson Helicopter R66 · Kodiak, AK · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 3, 2021 · N1767 · Destroyed
  > An impact with ocean waters for reasons that could not be determined based on the available information.
- [NTSB ERA21LA121](https://openairdocs.org/ntsb/ERA21LA121.md): Robinson Helicopter R66 · Knoxville, TN · Accident · No injuries · Class 4 · Limited · Final report · Jan 30, 2021 · N660TN · Substantial damage
  > The pilot’s failure to maintain directional control of the helicopter, which resulted in rear portion of the right skid contacting the ground and a subsequent dynamic rollover.
- [NTSB ERA20LA220](https://openairdocs.org/ntsb/ERA20LA220.md): Robinson R66 · Pikeville, NC · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 18, 2020 · N4QW · Substantial damage
  > The pilot’s failure to see and avoid a small diameter wire during low altitude agricultural spraying operations. Contributing to the accident was the pilot’s insufficient property survey.
- [NTSB ERA20FA074](https://openairdocs.org/ntsb/ERA20FA074.md): Robinson R66 · Mechanicsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 10, 2020 · N450MC · Destroyed
  > A severe left roll excursion after the onset of pitch and roll oscillations, which were not arrested by the pilot for undetermined reasons. This resulted in main rotor blade contact with the airframe and a subsequent inflight breakup of the helicopter.
- [NTSB GAA20CA052](https://openairdocs.org/ntsb/GAA20CA052.md): Robinson R66 · Alexandria, LA · Accident · No injuries · Data collection · Final report · Oct 29, 2019 · N661CG · Substantial damage
  > The pilot's fixation on the instrument panel, which resulted in a hard landing.
- [NTSB GAA19CA481](https://openairdocs.org/ntsb/GAA19CA481.md): Robinson R66 · Vandalia, IL · Accident · No injuries · Data collection · Final report · Aug 2, 2019 · N1767L · Substantial damage
  > The pilot's failure to maintain clearance from power lines during an agricultural application flight.
- [NTSB CEN19LA123](https://openairdocs.org/ntsb/CEN19LA123.md): Robinson R66 · St Jacob, IL · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 21, 2019 · N766WC · Substantial damage
  > The pilot's in-flight collision with an unmarked wire during an aerial application flight; the wire lacked contrast with the surrounding environment.
- [NTSB GAA18CA366](https://openairdocs.org/ntsb/GAA18CA366.md): Robinson R66 · Cordova, AK · Accident · No injuries · Data collection · Final report · Jun 19, 2018 · N7040P · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in impact with brush and a loss of helicopter control.
- [NTSB WPR16FA130](https://openairdocs.org/ntsb/WPR16FA130.md): Robinson Helicopter R66 · Wikieup, AZ · Accident · 2 fatal · Field investigation · Final report · Jun 23, 2016 · N117TW · Destroyed
  > An encounter with turbulence due to updrafts and/or dust devils that resulted in mast bumping and an in-flight break-up.
- [NTSB GAA16CA290](https://openairdocs.org/ntsb/GAA16CA290.md): Robinson Helicopter R66 · Beaumont, TX · Accident · No injuries · Data collection · Final report · Jun 7, 2016 · N38SL · Substantial damage
  > The non-pilot owner's decision to start the helicopter while awaiting the pilot's arrival, which resulted in a loss of yaw control and a rollover.
- [NTSB WPR16LA075](https://openairdocs.org/ntsb/WPR16LA075.md): Robinson Helicopter R66 · Torrance, CA · Accident · No injuries · Limited investigation · Final report · Feb 23, 2016 · N266RH · Substantial damage
  > A vibration of the helicopter, which resulted in an autorotation to soft terrain and subsequent impact of the tail boom with the main rotor. The reason for the vibration could not be determined because postaccident examination revealed no malfunctions or…
- [NTSB ERA15CA079](https://openairdocs.org/ntsb/ERA15CA079.md): Robinson Helicopter R66 · Henniker, NH · Accident · No injuries · Data collection · Final report · Dec 22, 2014 · N64HF · Substantial damage
  > The pilot's failure to maintain aircraft control while landing, which resulted in a collision with a snow bank. Contributing to the accident was ice that covered the landing surface.
- [NTSB CEN15CA039](https://openairdocs.org/ntsb/CEN15CA039.md): Robinson Helicopter R66 · Baton Rouge, LA · Accident · No injuries · Data collection · Final report · Oct 29, 2014 · N67GA · Substantial damage
  > An in-flight bird strike.
- [NTSB ERA13FA336](https://openairdocs.org/ntsb/ERA13FA336.md): Robinson R66 · Noxen, PA · Accident · 5 fatal · Field investigation · Final report · Jul 28, 2013 · N646AG · Destroyed
  > The pilot's decision to continue VFR flight into night instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.
- [NTSB CEN12FA001](https://openairdocs.org/ntsb/CEN12FA001.md): Robinson Helicopter R66 · Philip, SD · Accident · 1 fatal · Field investigation · Final report · Oct 1, 2011 · N266CY · Destroyed
  > The in-flight separation of the main rotor mast following a mast bumping event. The reason for the mast bumping event could not be determined due to postaccident damage.
- [NTSB ERA11RA398](https://openairdocs.org/ntsb/ERA11RA398.md): Robinson R66 · Girardot, Colombia · Accident · 2 fatal · Foreign investigation · Jul 12, 2011 · N810AG · Substantial damage
  > On July 12, 2011, about 2041 UTC, or 1541 local, a Robinson Helicopter Company R66, N810AG, registered to Aircraft Guaranty Corporation Trustee, operated by a private individual, collided with terrain near Girardot, Colombia. Visual meteorological conditions…

## 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 ('7640130'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640130

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