Sunday, May 13, 2018

Boeing A75N1 (PT17) Stearman, N17PY: Accident occurred April 28, 2016 near Osage City Municipal Airport (53K), Osage County, Kansas

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

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Wichita, Kansas

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Aviation Accident Factual Report - National Transportation Safety Board

Location: Osage City, KS
Accident Number: CEN16LA177
Date & Time: 04/28/2016, 1510 CDT
Registration: N17PY
Aircraft: BOEING A75N1 (PT17)
Aircraft Damage: Substantial
Defining Event: Fuel related
Injuries: 3 None
Flight Conducted Under: Part 91: General Aviation - Skydiving 

On April 28, 2016, about 1510 central daylight time, a Boeing A75N1 (PT-17) single-engine airplane, N17PY, was substantially damaged after it impacted terrain during initial climb near Osage City Municipal Airport (53K), Osage City, Kansas. The pilot and two passengers reported no injuries. The airplane was registered to, and operated by a private individual, as a 14 Code of Federal Regulations Part 91 sport parachuting flight. Visual meteorological conditions (VMC) prevailed and a flight plan had not been filed. At the time of the accident the airplane was departing 53K for a local flight.

The airplane had made a takeoff to the north with the pilot seated in the rear cockpit and with two parachutists standing outside on the lower wing while they were holding on to the edge of the front cockpit. After the airplane had climbed to about 200 feet above ground level the pilot reported that he sensed a loss of engine power and the airplane stopped climbing. The airplane began descending and the pilot executed an off-airport forced landing to a flat open field in a residential area about 1,600 feet north of 53K. The airplane cleared the top of 32-foot tall electric power lines and came to rest upright about 100 feet from the initial touchdown spot. The impact with the muddy field resulted in the complete separation of both main landing gear legs and substantial damage to the lower wing and the fuselage. The two parachutists reported that they were not ejected, and they had remained restrained by a safety strap. A postaccident examination of the airplane at the scene showed there was adequate fuel on board. There was no fuel spill and no postimpact fire. Flight control continuity was confirmed. The pilot said he did not use carburetor heat.

An examination of the engine and its components showed no anomalies. An examination and testing of the engine spark plugs indicated normal wear and that they were fully functional. The wiring harness was visually inspected and appeared normal. A bench test of both magnetos showed they were fully functional.

The closest official weather reporting station was at KFOE, Topeka, Kansas; located 20 miles northeast from the accident location, At 1453 the automated surface observation system at KFOE reported wind from 330 degrees at 13 knots, visibility 10 miles, scattered clouds at 2,700 feet above ground level, temperature 16 degrees Celsius (C), dew point 8 degrees C, and an altimeter setting of 29.96 inches of Mercury.

A review of the carburetor icing probability chart in Federal Aviation Administration, Special Information Bulletin CE-09-35, revealed the airplane was operating in an area favorable for serious icing at glide and cruise power settings. 

Pilot Information

Certificate: Airline Transport; Commercial
Age: 37, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Rear
Other Aircraft Rating(s): Glider
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 1 With Waivers/Limitations
Last FAA Medical Exam: 08/06/2015
Occupational Pilot: Yes
Last Flight Review or Equivalent: 11/23/2015
Flight Time:  (Estimated) 8625 hours (Total, all aircraft), 85 hours (Total, this make and model), 4088 hours (Pilot In Command, all aircraft), 35 hours (Last 90 days, all aircraft), 20 hours (Last 30 days, all aircraft), 7 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Manufacturer: BOEING
Registration: N17PY
Model/Series: A75N1 (PT17)
Aircraft Category: Airplane
Year of Manufacture: 1942
Amateur Built: No
Airworthiness Certificate: Aerobatic; Normal; Utility
Serial Number: 75-5554
Landing Gear Type: Unknown
Seats: 2
Date/Type of Last Inspection: 02/11/2016, Annual
Certified Max Gross Wt.: 2950 lbs
Time Since Last Inspection: 26 Hours
Engines: 1 Reciprocating
Airframe Total Time: 6679 Hours at time of accident
Engine Manufacturer: Continental
Engine Model/Series: W670-6A
Registered Owner: On file
Rated Power: 220 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: KFOE, 1079 ft msl
Observation Time: 1453 CDT
Distance from Accident Site: 20 Nautical Miles
Direction from Accident Site: 19°
Lowest Cloud Condition: Scattered / 2700 ft agl
Temperature/Dew Point: 16°C / 8°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 13 knots, 330°
Visibility (RVR):
Altimeter Setting: 29.96 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Osage City, KS (53K)
Type of Flight Plan Filed: None
Destination: Osage City, KS (53K)
Type of Clearance: None
Departure Time: 1510 CDT
Type of Airspace: Class G 

Airport Information

Airport: OSAGE CITY MUNI (53K)
Runway Surface Type: Asphalt
Airport Elevation: 1105 ft
Runway Surface Condition: Dry
Runway Used: 35
IFR Approach: None
Runway Length/Width: 2560 ft / 40 ft
VFR Approach/Landing: Forced Landing

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 2 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 3 None
Latitude, Longitude: 38.641389, -95.802500 (est)

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