Aircraft Accident/Incident Report

Sandy Lake, Pennsylvania 16145
Wednesday, August 24, 2005 13:30 EDT

NTSB Narrative Summary Released at Completion of Accident

The airplane experienced a total loss of engine power during cruise flight, and struck a tree during a forced landing. After the accident, the passenger reported the engine driven fuel pump failed. Review of a flight manual for the make and model airplane revealed that a fuel gauge was incorporated into the fuselage (header) fuel tank cap. Fuel flowed from the wing tanks, via the engine driven fuel pump, to the fuselage tank. Once in the fuselage tank, fuel was gravity fed into the engine. Further review of the manual revealed that in case of engine driven fuel pump failure, the engine would continue to function until the 6-gallon fuselage tank was drained. During an examination of the wreckage, the fuselage tank was observed to be empty, except for some residual fuel. The fuel was clear, consistent with 100LL aviation gasoline, and no contamination was observed. The engine driven fuel pump was removed from the engine for inspection. When the pump was actuated by hand, there was no movement or continuity to its mechanical linkage that connected into the engine. The inoperative pump was re-attached to the engine to prevent oil leakage, and 5 gallons of gasoline was added to the fuselage tank. The engine then started on the first attempt, without hesitation, and ran continuously at idle power and partial power.

NTSB Probable Cause Narrative

A total failure of the engine driven fuel pump, and the pilot's failure to recognize a diminishing fuel supply in the fuselage (header) fuel tank, which resulted in a total loss of engine power during cruise flight and subsequent collision with trees during a forced landing.

Event Information

Type of Event Accident
Event Date 8/24/2005
Event Day of the Week Wednesday
Time of Event 1330
Event Time Zone Eastern Daylight Time
Event City Sandy Lake
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 16145
Event Date Year 2005
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 412053N
Event Location Longitude 0800445W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1335 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID FKL
Elevation of weather observation facility 1540
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 7
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.25
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 20125
NTSB Notification Source Allegheny FSDO
NTSB Notification Date Aug 24 2005 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Aug 29 2006 3:49PM
User who most recently changed record NTSB\JOHB
Basic weather conditions Visual Meteorological Cond
FAA District Office Allegheny, PA

Aircraft Involved

Aircraft #1

Aircraft Registration Number N99746
NTSB Number NYC05LA137
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Ercoupe
Aircraft Model 415-D
Aircraft Series Identifier --
Aircraft Serial Number 2369
Certified Max Gross Weight 1400
Aircraft Category Airplane
Aircraft Registration Class --
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Joseph F. Mazza Jr.
Aircraft Owner Street Address --
Aircraft Owner City Penn Hills
Aircraft Owner State PA
Aircraft Owner Country USA
Aircraft Owner Zipcode 15235
Operator is an individual? No
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? --
Certified for Part 133 or 137 Operation --
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code FWQ
Departure City Monongahela
Departure State PA
Departure Country USA
Departure Time 1230
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code GKJ
Destination City Meadville
Destination State PA
Destination Country USA
Specific Phase of Flight Descent - emergency
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 24 2006 1:41PM
User who most recently changed record MUZD
Since inspection or accident --
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --