Airplane at Accident Site Right Side
Airplane at Accident Site Left Side 
The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Baton Rouge, Louisiana
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
http://registry.faa.gov/N7080F
Location: Shreveport, LA
Accident Number: CEN18LA281
Date & Time: 07/19/2018, 0802 CDT
Registration: N7080F
Aircraft: PIPER PA28
Aircraft Damage: Substantial
Defining Event: Loss of engine power (partial)
Injuries:1 None
Flight Conducted Under: Part 91: General Aviation - Personal
On July 19, 2018, about 0802 central daylight time, a Piper PA28A, N7080F, sustained substantial damage during a forced landing after a partial loss of engine power near the Shreveport Executive Airport (DTN), Shreveport, Louisiana. The commercial pilot, who was the sole occupant, was not injured. The airplane was owned and piloted by a private individual. Visual meteorological conditions prevailed and a flight plan was not filed. The post-maintenance check flight was conducted under the provisions of Title 14 Federal Code of Regulations Part 91. The flight originated about 0730 from DTN.
The annual inspection on the airplane was completed on July 18, 2018, and the purpose of the flight was a post-maintenance check flight. According to the pilot, after takeoff from DTN, he stayed in the local traffic pattern and performed two touch and go landings. He proceeded north of the airport and climbed through 2,500 ft; however, the airplane could not attain more than a 300-ft per minute rate of climb without losing airspeed, and he noticed a decrease in engine RPM's. The oil pressure and oil temperature were in the normal operating range, the vacuum gauge indicated "zero," and gyroscopic instruments began to drift and tumble. The pilot proceeded directly for DTN and planning to land on runway 14. On final, the engine RPM's decreased and the airplane airspeed decreased. The engine did not respond to throttle inputs and the pilot was forced to land the airplane on a river levy. The airplane bounced into the air and came back down, contacted a road, and came to rest against the perimeter fence of runway 14. Both wings sustained substantial damage.
Examination of the engine by a Federal Aviation Administration inspector revealed that the output shaft of the vacuum pump was sheared. The pilot did not submit the National Transportation Safety Board Accident Report Form 6120, and additional engine information was not available. The reason for the vacuum pump output shaft failure and partial loss of engine power was not determined.
Pilot Information
Certificate: Commercial; Private
Age: 32, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s):None
Toxicology Performed:
Medical Certification: Class 2 Without Waivers/Limitations
Last FAA Medical Exam: 01/05/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 01/05/2018
Flight Time: 265 hours (Total, all aircraft), 7 hours (Total, this make and model), 3 hours (Last 90 days, all aircraft), 0.5 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: PIPER
Registration: N7080F
Model/Series: PA28
Aircraft Category: Airplane
Year of Manufacture: 1976
Amateur Built: No
Airworthiness Certificate:
Serial Number: 28-7725-085
Landing Gear Type: Tricycle
Seats:4
Date/Type of Last Inspection: 07/18/2018, Annual
Certified Max Gross Wt.:
Time Since Last Inspection: 0 Hours
Engines: 1 Reciprocating
Airframe Total Time: 3301.18 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: Installed, not activated
Engine Model/Series: O-320-E3D
Registered Owner: Mathew Keenan
Rated Power: 150 hp
Operator: On file
Operating Certificate(s) Held:None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: DTN, 179 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 0753 CDT
Direction from Accident Site: 0°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 4 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 210°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.93 inches Hg
Temperature/Dew Point: 29°C / 24°C
Precipitation and Obscuration:
Departure Point: Shreveport, LA (DTN)
Type of Flight Plan Filed:
Destination: Shreveport, LA (DTN)
Type of Clearance: None
Departure Time: 0730 CDT
Type of Airspace: Class E
Airport Information
Airport: Shreveport Executive (DTN)
Runway Surface Type: N/A
Airport Elevation: 179 ft
Runway Surface Condition: Vegetation
Runway Used: N/A
IFR Approach:None
Runway Length/Width:
VFR Approach/Landing: Forced Landing
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 32.540278, -93.745000 (est)
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