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Atlas / NTSB / NYC90FA029

NTSB CAROL · Event

Event NYC90FA029

1989-11-15 NORTH ADAMS, Massachusetts, United States Airport · 2B6 Fatal 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

FAILURE OF THE PILOT-IN-COMMAND (PIC) TO ASSURE PROPER ROTOR RPM AND PROPER OPERATION OF THE FLIGHT CONTROLS DURING AN APPROACH IN GUSTY WIND CONDITIONS. A FACTOR RELATED TO THE ACCIDENT WAS: THE PIC'S LACK OF EXPERIENCE IN THE TYPE OF OPERATION.

Factual narrative

THE PLTS WERE MAKING APCHS TO THE ARPT, WHEN THE HELICOPTER'S MAIN ROTOR BLADES HIT THE TAIL BOOM & THE TAIL ROTOR SEPD. THE HELICOPTER THEN WENT OUT OF CONTROL & IMPACTED ON SLOPING TERRAIN NEAR THE APCH END OF RWY 11. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND DURING THE INVESTIGATION. THE PLT-IN-COMMAND (PIC) HAD A COMMERCIAL CERTIFICATE WITH AIRPLANE SINGLE/MULTI-ENG LAND & INSTRUMENT RATINGS, BUT HE HELD ONLY A PRIVATE CERTIFICATE FOR ROTORCRAFT/HELICOPTERS. ON THE ACDNT FLT, HE OCCUPIED THE RGT PLT SEAT, WHILE THE OTHER PLT WAS IN THE LEFT SEAT. THIS HELICOPTER IS NORMALLY FLOWN FROM THE LEFT SEAT. THE LEFT SEAT OCCUPANT HAD AN ATP CERTIFICATE FOR MULTI-ENG LAND AIRPLANES & WAS GETTING READY FOR A CHECK FLT TO OBTAIN A PRIVATE ROTORCRAFT RATING. MANUFACTURING PSNL AT MCDONNELL DOUGLAS RPRTD THAT THE MAIN ROTOR BLADES WOULD NOT STRIKE THE TAIL BOOM, IF THE ROTOR RPM WAS ABOVE 90%. APRX 28 WEST AT ALBANY, THE 1550 EST WIND WAS FROM 160 DEG AT 16 GUSTING 23 KTS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_NYC90FA029.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.