Sunday, January 19, 2020

Loss of Engine Power (Partial): Stinson 108-1, N9799G; accident occurred April 15, 2015 in Macon, Noxubee County, Mississippi

Truck that was impacted during landing 

Damage to fuselage 

Damage to aft fuselage

The National Transportation Safety Board did not travel to the scene of this accident.

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Jackson, Mississippi

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Macon, MS
Accident Number: ERA15LA201
Date & Time: 04/15/2015, 1900 CDT
Registration: N9799G
Aircraft Damage: Substantial
Defining Event: Loss of engine power (partial)
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 

On April 15, 2015, about 1900 central daylight time, a Universal Stinson 108-1, N9799G, was substantially damaged when it contacted a vehicle during a precautionary landing on a road near Macon, Mississippi. Neither the private pilot onboard the airplane nor the driver of the vehicle were injured. The airplane was owned and operated by the pilot as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual meteorological conditions prevailed, and no flight plan was filed for the flight, which departed Macon Municipal Airport (20M), about 1845 and was destined for a private runway also located in Macon.

The pilot reported that he was nearing his destination when the engine began to run rough. Realizing he would not be able to reach the runway, he elected to perform a precautionary landing to a nearby road. The pilot stated that, throughout the landing approach, he did not observe any traffic on the road; however, the airplane touched down and came to rest on top of a truck, resulting in substantial damage to the fuselage and right wing strut. The pilot did not indicate whether he had applied carburetor heat during the flight. There was no examination of the airplane or engine following the accident. The pilot reported that he departed on the flight with 30 gallons of fuel on board.

The pilot held a private pilot certificate with a rating for airplane single-engine land. His most recent Federal Aviation Administration third-class medical certificate was issued in January 2015. He reported 673 total hours of flight experience, of which 570 hours were in the accident airplane.

The tailwheel-equipped airplane was manufactured in 1947 and was equipped with a Franklin 6A4-150-B3, 150-horsepower reciprocating engine. The pilot reported that the airplane's total airframe and engine time was 1,101.7 hours. The most recent annual inspection was completed on February 16, 2015, about 11 flight hours before the accident.

The weather conditions reported at Golden Triangle Regional Airport (GTR), Columbus, Mississippi, at 1850 included wind from 170° at 6 knots, 10 miles visibility, scattered clouds at 6,000 ft above ground level, temperature 24°C, dew point 17°C, and an altimeter setting of 29.98 inches of mercury. A carburetor icing probability chart indicated a potential for serious icing at glide power given the atmospheric conditions present at the time of the accident. 

Pilot Information

Certificate: Private
Age: 31, Male
Airplane Rating(s): Single-engine Land
Seat Occupied:Unknown
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Unknown
Last FAA Medical Exam: 01/07/2015
Occupational Pilot:No
Last Flight Review or Equivalent: 11/01/2014
Flight Time:  673 hours (Total, all aircraft), 570 hours (Total, this make and model) 

Aircraft and Owner/Operator Information

Registration: N9799G
Model/Series: 108-1
Aircraft Category: Airplane
Year of Manufacture: 1946
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 108-993
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 02/16/2015, Annual
Certified Max Gross Wt.: 2401 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 1101.7 Hours at time of accident
Engine Manufacturer: FRANKLIN
ELT: C91A installed, activated, did not aid in locating accident
Engine Model/Series: 6A4150 SERIES
Registered Owner: On file
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: KGTR, 264 ft msl
Distance from Accident Site: 21 Nautical Miles
Observation Time: 2350 UTC
Direction from Accident Site: 356°
Lowest Cloud Condition: Scattered / 6000 ft agl
Visibility:  10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 6 knots /
Turbulence Type Forecast/Actual:
Wind Direction: 170°
Turbulence Severity Forecast/Actual:
Altimeter Setting: 29.98 inches Hg
Temperature/Dew Point: 24°C / 17°C
Precipitation and Obscuration:
Departure Point: Macon, MS (20M)
Type of Flight Plan Filed: None
Destination: Macon, MS (n/a)
Type of Clearance: None
Departure Time: 1845 CDT
Type of Airspace: 

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: 33.105833, -88.556389

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