Taft Airport
Aircraft Accident/Incident Report

Taft, California 93268
Wednesday, August 5, 1987 15:15 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT RPRTD THE ENG LOST POWER AT ABOUT 300' AGL AFTER THE HELICOPTER HAD FLOWN APRX 2.7 HRS WITHOUT REFUELING. HE INITIATED AN AUTOROTATIVE LANDING; HOWEVER, BEFORE TOUCHDOWN, THE MAIN ROTOR BLADES CONTACTED & SEVERED THE TAIL BOOM. AN EXAM REVEALED THE FUEL TANK WAS EMPTY. NO SIGNS OF FUEL LEAKAGE WERE FOUND. THE HELICOPTER HAD BEEN EQUIPPED WITH A 210 HP FRANKLIN ENG IAW A SUPPLEMENTAL TYPE CERTIFICATE. THERE WAS NO FACTORY DATA ON FUEL CONSUMPTION RATES FOR THIS CONFIGURATION. OTHER OPERATORS, WHO OPERATED THIS MAKE & MODEL OF HELICOPTER, ESTIMATED THE FUEL CONSUMPTION WAS APRX 12 GAL/HR. AFTER THE ACDNT, THE PLT RPRTD HE MEASURED THE FUEL CAPACITY OF THE HELICOPTER FUEL CELL. HE STATED THE CELL WOULD HOLD ONLY 26.5 GAL OF FUEL, INSTEAD OF '29' AS INDCD BY A STICK-ON MARKER THAT HAD BEEN INSTALLED ON A PREVIOUSLY PAINTED PLACARD.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/5/1987
Event Day of the Week Wednesday
Time of Event 1515
Event Time Zone Pacific Daylight Time
Event City TAFT
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93268
Event Date Year 1987
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TAFT
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 15
Degrees magnetic from airport 150
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1550 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 20
Weather Observation Facility ID BFL
Elevation of weather observation facility 493
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation PDT
Lighting Conditions Day
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) 30
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2300
NTSB Notification Source --
NTSB Notification Date Aug 5 1987 12:00AM
NTSB Notification Time 1845
Fiche Number and/or location -used to find docket information 35955
Date of most recent change to record Dec 13 2000 2:43PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N917B
NTSB Number LAX87LA294
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
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 47D-1
Aircraft Series Identifier 47D-1
Aircraft Serial Number 606
Certified Max Gross Weight 2450
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 1 1987 12:00AM
Airframe hours since last inspection 767
Airframe Hours 63465
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HELT ENGINEERING INC
Aircraft Owner Street Address 2930 UNION AVE.
Aircraft Owner City BAKERSFIELD
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93305
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 None
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code BFL
Departure City BAKERSFIELD
Departure State CA
Departure Country
Departure Time 1320
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code L17
Destination City TAFT
Destination State CA
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 20 2002 12:42PM
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 No
Medical Flight --