# Fatal 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 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 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 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 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 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 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 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 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."highestInjuryLevel" = 'Fatal' AND 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?fatal=1&model=7640130 --- 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.