Federal Aviation Administration / Flight Standards District Office; Des Moines, Iowa
Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
https://registry.faa.gov/N669HT
Location: Mason City, IA
Accident Number: GAA18CA545
Date & Time: 09/08/2018, 1145 CDT
Registration: N669HT
Aircraft: Cirrus SR22
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 Minor
Flight Conducted Under: Part 91: General Aviation - Personal
Analysis
The pilot reported that the battery was too low to start the engine, so he asked fixed-base operator personnel if they could assist with a jumper pack. They told him that they did not have anyone on duty authorized to assist and that he would have to wait a couple of days. He decided to start the engine by hand propping. Before he began hand propping, he set the parking brake. Following the engine start, the airplane began to move forward. The pilot attempted to re-enter the airplane to apply the brakes, but the airplane struck a hangar.
The airplane sustained substantial damage to the left wing.
The Federal Aviation Administration inspector who examined the airplane after the accident reported that the parking brake functioned normally. He added that the pilot stated that he was sure he set the brakes but that he may not have gotten enough pressure to hold the airplane.
The Federal Aviation Administration's Airplane Flying Handbook, FAA-H-8083-3A, contained a section titled "Hand Propping" which states the following:
An engine should not be hand propped unless two people, both familiar with the airplane and hand propping techniques, are available to perform the procedure. The person pulling the propeller blades through directs all activity and is in charge of the procedure. The other person, thoroughly familiar with the controls, must be seated in the airplane with the brakes set. As an additional precaution, chocks may be placed in front of the main wheels. If this is not feasible, the airplane's tail may be securely tied. Never allow a person unfamiliar with the controls to occupy the pilot's seat when hand propping. The procedure should never be attempted alone.
Probable Cause and Findings
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's improper hand propping procedure, which resulted in a runaway airplane and subsequent impact with a hangar.
Findings
Aircraft
Battery/charger - Not serviced/maintained
Personnel issues
Aircraft control - Pilot (Cause)
Environmental issues
Airport structure - Effect on operation (Cause)
Factual Information
History of Flight
Standing-engine(s) start-up
Electrical system malf/failure
Loss of control on ground (Defining event)
Attempted remediation/recovery
Ground collision
Pilot Information
Certificate: Private
Age: 39, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: None
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 07/01/2014
Occupational Pilot: No
Last Flight Review or Equivalent: 06/13/2018
Flight Time: (Estimated) 373 hours (Total, all aircraft), 373 hours (Total, this make and model)
Aircraft and Owner/Operator Information
Aircraft Make: Cirrus
Registration: N669HT
Model/Series: SR22 Undesignated
Aircraft Category: Airplane
Year of Manufacture: 2005
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 1679
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: Annual
Certified Max Gross Wt.: 3120 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 845 Hours
Engine Manufacturer: Continental
ELT: Installed, activated, did not aid in locating accident
Engine Model/Series: IO-550
Registered Owner: Minn Iowa Distributing Inc
Rated Power: 310 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: KMCW, 1225 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1653 UTC
Direction from Accident Site: 82°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 9 knots / 18 knots
Turbulence Type Forecast/Actual: None / None
Wind Direction: 90°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.25 inches Hg
Temperature/Dew Point: 20°C / 12°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Mason City, IA (MCW)
Type of Flight Plan Filed: Unknown
Destination:
Type of Clearance: None
Departure Time: CDT
Type of Airspace: Class E
Airport Information
Airport: MASON CITY MUNI (MCW)
Runway Surface Type: Asphalt
Airport Elevation: 1213 ft
Runway Surface Condition: Dry
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 Minor
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 Minor
Latitude, Longitude: 43.153056, -93.336111 (est)
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