Aircraft Accident/Incident Report

Moultonboro, New Hampshire 03254
Saturday, June 28, 1986 9:15 EDT

NTSB Narrative Summary Released at Completion of Accident

THE BELL JET RANGER HAD JUST DROPPED OFF AN EXTERNAL LOAD AND WAS RETURNING DOWNHILL WHEN THE PILOT REPORTED HEARING A GROWLING NOISE IN THE AFT PORTION OF THE AIRCRAFT. HE AUTOROTATED TO LANDING AS CONTROL WAS LOST. WHEN THE WRECKAGE WAS EXAMINED AFTER IT HAD BEEN REMOVED FROM THE SCENE OF THE ACCIDENT, IT WAS NOTED THAT THE TAIL ROTOR GEAR BOX WAS OUT OF THE AIRFRAME AND ONE TAIL ROTOR BLADE WAS MISSING. EXAMINATION OF THE REMAINING TAIL ROTOR STUB BY THE NTSB LAB SHOWED THE FAILURE WAS OPPOSITE THE NORMAL DIRECTION OF ROTATION. WHAT THE TAIL ROTOR STRUCK WAS NOT DETERMINED. ROTATION OF THE 90 DEGREE GEARBOX REVEALED THERE WAS NO BINDING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/28/1986
Event Day of the Week Saturday
Time of Event 915
Event Time Zone Eastern Daylight Time
Event City MOULTONBORO
Event State NEW HAMPSHIRE
Event Country --
Zipcode of the event site 03254
Event Date Year 1986
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 4500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2464
NTSB Notification Source --
NTSB Notification Date Jun 28 1986 12:00AM
NTSB Notification Time 1100
Fiche Number and/or location -used to find docket information 33235
Date of most recent change to record Dec 13 2000 4:09PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1068Y
NTSB Number NYC86LA168
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 133: Rotorcraft Ext. Load
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206B III
Aircraft Series Identifier 206B III
Aircraft Serial Number 206
Certified Max Gross Weight 3350
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 1852
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name CORPORATE HELICOPTERS, INC.
Aircraft Owner Street Address P.O. BOX 112
Aircraft Owner City CHESIRE
Aircraft Owner State CT
Aircraft Owner Country
Aircraft Owner Zipcode 06410
Operator is an individual? --
Operator Name JOE BRIGHA, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 23 POOR RICHARDS DR.
Operator City BOW
Operator State NH
Operator Country
Operator Zip code 03301
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? Yes
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Other Work Use
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --