Marthas Vineyard Airport
Aircraft Accident/Incident Report

Rehobeth, Massachusetts 02769
Saturday, July 14, 1984 22:50 EDT

NTSB Narrative Summary Released at Completion of Accident

THE MESSERSCHMITT-BLOHM-BOELKOW BO-105C WAS ON AN AIR AMBULANCE FLT WITH A PLT, 2 ADDITIONAL CREWMEMBERS (DOCTOR & NURSE) & A PASSENGER (PATIENT) ON BOARD. DURING FLT, THE PLT RADIOED THAT HE HAD LOST POWER IN 1 ENG, THEN ABOUT 14 SEC LATER, HE RADIOED THAT THE OTHER ENG HAD ALSO LOST POWER. DURING A FORCED LANDING/AUTOROTATION TO A ROAD AT NIGHT, THE HELICOPTER COLLIDED WITH POWER LINES & CRASHED. NO FUEL WAS FOUND IN THE RIGHT SUPPLY TANK & ONLY ABOUT 1 GAL OF FUEL WAS FOUND IN THE LEFT SUPPLY TANK. THE MAIN TANK HAD 15.4 GAL REMAINING, BUT THE RESPECTIVE FUEL BOOST PUMP SWITCHES WERE FOUND IN THE 'OFF' POSITION. THE REAR MAIN FUEL TANK HAD ONLY SLIGHTLY OVER 1 GAL REMAINING. ALSO, AN ELECTRICAL WIRE IN THE LOW FUEL WARNING CIRCUIT WAS NOT CONNECTED. THE FUEL SUPPLY TO EACH ENG IS FROM THE FUEL SUPPLY TANKS, WHICH ARE INDEPENDENT OF EACH OTHER.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/14/1984
Event Day of the Week Saturday
Time of Event 2250
Event Time Zone Eastern Daylight Time
Event City REHOBETH
Event State MASSACHUSETTS
Event Country --
Zipcode of the event site 02769
Event Date Year 1984
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MARTHAS VINEYARD
Event Location Nearest Airport ID MVY
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 2300
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID PVD
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Bright
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 9
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 2247
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26180
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N105CP
NTSB Number NYC84FA240
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion In-flight
Aircraft Manufacturer's Full Name MBB
Aircraft Model BO-105C
Aircraft Series Identifier BO-105C
Aircraft Serial Number S190
Certified Max Gross Weight 5070
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 4
Number of Engines 2
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jun 14 1984 12:00AM
Airframe hours since last inspection 57
Airframe Hours 2722
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name OMNI FLIGHT AIRWAYS INC.
Aircraft Owner Street Address BALTIMORE-WASHINGTON INT'L
Aircraft Owner City BALTIMORE
Aircraft Owner State MD
Aircraft Owner Country
Aircraft Owner Zipcode 21240
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code MVY
Departure City MARTHA'S VINEYD
Departure State MA
Departure Country
Departure Time 222
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code ORH
Destination City WORCESTER
Destination State MA
Destination Country
Specific Phase of Flight Landing
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight Yes
Medical Flight --