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NYC88LA201 · Bell 206B

13 Jul 1988 · Plymouth, MA, United States

Bell 206B · Accident: partial loss of engine power (mechanical failure) during takeoff

From Carver, MA to Portland International Jetport (PWM)

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Event

NTSB case
NYC88LA201
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
General aviation
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Visual Meteorological Cond

Bell 206B

Aircraft type
Bell 206
Category
Helicopter
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N543CC
Operator
Unknown
Onboard fatalities
Unknown
Route
From Carver, MATo Portland International Jetport (PWM), Portland, ME
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 91: General Aviation
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Takeoff
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Partial loss of engine power (mechanical failure)
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Substantial

Cause areas

  • Fuel system, fuel control › Output low
  • Other maintenance personnel › Maintenance, adjustment, improper

Approximate · Estimated position: the centre of Plymouth, MA, the place the record names. Not the accident site.

NTSB narrative

SHORTLY AFTER THE HELICOPTER TOOKOFF, THE LOW ROTOR RPM LIGHT CAME ON AND THE LOW ROTOR RPM HORN SOUNDED. THE PILOT RESPONDED BY LOWERING THE COLLECTIVE AND ENTERING INTO AUTOROTATION. AT TOUCHDOWN THE LEFT SKID COLLAPSED AND THE MAIN ROTOR CONTACTED THE GROUND. A POST ACCIDENT EXAMINATION OF THE FUEL CONTROL UNIT REVEALED THAT IT WAS NOT PROPERLY ADJUSTED.

Probable cause

A LOSS OF POWER TO THE ENGINE BECAUSE THE FUEL CONTROL WAS NOT PROPERLY ADJUSTED AND COLLISION WITH TERRAIN DUE TO AN UNSUITABLE LANDING AREA.

Verbatim NTSB analysis and probable cause from the NTSB dataset

Sources

NTSB record NYC88LA201
Event ID
20001213X26384
Case number
NYC88LA201
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
  • The date is the local date, which is the same as the UTC date the NTSB stores.
  • API snapshot SHA-256: 632880bf595767dc0b395e7a922370dda20e6eaf43b516854d672fb3f213fae3; retrieved 2026-09-23T09:39:17.251Z.