Aircraft Accident/Incident Report

Boyd, Texas 76023
Tuesady, July 14, 2009 17:45 CDT

NTSB Narrative Summary Released at Completion of Accident

The student pilot stated that he conducted a preflight inspection and engine run-up and noted no anomalies. He departed and climbed to 2,000 feet when the engine started running rough and popping. The engine rpms dropped from 2,200 to 2,000 without the throttle being moved. The pilot leaned the fuel mixture until the engine reached peak temperature and then enriched the mixture to -30 degrees. The engine roughness and popping increased and the rpms began to drop. The pilot then made a forced landing to a pasture. The airplane collided with several fixed objects and sustained structural damage to the airframe. Examination of the airframe, flight controls, engine assembly and accessories revealed no anomalies. The Pilot's Operating Handbook specified that in case of engine problems the mixture control should be set to "rich".

NTSB Probable Cause Narrative

A total loss of engine power due to the pilot's improper leaning procedures, resulting in a forced landing and collision with a fence.

Event Information

Type of Event Accident
Event Date 7/14/2009
Event Day of the Week Tuesday
Time of Event 1745
Event Time Zone Central Daylight Time
Event City Boyd
Event State TEXAS
Event Country --
Zipcode of the event site 76023
Event Date Year 2009
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 330337N
Event Location Longitude 0973649W
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 1753 Central Daylight Time
Direction of event from weather observation facility (degrees) 150
Weather Observation Facility ID FTW
Elevation of weather observation facility 710
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation CDT
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) 39
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 13
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 22
Altimeter Setting at event time (in. Hg) 29.85
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
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 --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 28456
NTSB Notification Source NTSB Communucations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 2 2011 5:54PM
User who most recently changed record broda
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2446F
NTSB Number CEN09LA442
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 CESSNA
Aircraft Model 172S
Aircraft Series Identifier --
Aircraft Serial Number 172S10116
Certified Max Gross Weight 2550
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 1
Cabin Crew Seats --
Passenger Seats 3
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 23 2009 12:00AM
Airframe hours since last inspection 81
Airframe Hours 2004
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type C91
Aircraft Owner Name LOHLA EVELYN
Aircraft Owner Street Address 3429 MAYFLOWER CIRCLE
Aircraft Owner City ARLINGTON
Aircraft Owner State TX
Aircraft Owner Country USA
Aircraft Owner Zipcode 76014
Operator is an individual? Yes
Operator Name Sky Mavs Flight Academy
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address Meacham Airport Terminal
Operator City Fort Worth
Operator State TX
Operator Country USA
Operator Zip code 76101
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
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) Instructional
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code FTW
Departure City Fort Worth
Departure State TX
Departure Country USA
Departure Time 1715
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code FTW
Destination City Fort Worth
Destination State TX
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 12 2011 3:38PM
User who most recently changed record gamw
Since inspection or accident Time of Accident
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --