Airplane at accident site.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Denver, Colorado
Aviation Accident Factual 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/N370SP
Location: Boulder, CO
Accident Number: CEN20CA094
Date & Time: 02/20/2020, 1100 MST
Registration: N370SP
Aircraft: Cessna 172
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal
The pilot and passenger departed from the uncontrolled airport on a snow packed runway and flew locally for about 2 hours, then returned to land. The pilot stated that while in the traffic pattern preparing to land, the runway appeared to be in the same condition as during the departure. Instead, the runway was slush covered due to the morning sun melting the snow and the airplane veered to the left during landing rollout. The pilot was unable to maintain directional control and the airplane subsequently impacted a snowbank on the edge of the runway and nosed over, which damaged both wings and the vertical stabilizer.
Pilot Information
Certificate: Foreign; Private
Age:33, Male
Airplane Rating(s): Single-engine Land
Seat Occupied:Left
Other Aircraft Rating(s): Glider
Restraint Used:
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 09/29/2015
Occupational Pilot: No
Last Flight Review or Equivalent: 10/07/2019
Flight Time: 506 hours (Total, all aircraft), 120 hours (Total, this make and model), 342 hours (Pilot In Command, all aircraft), 8 hours (Last 90 days, all aircraft), 5 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Cessna
Registration:N370SP
Model/Series: 172 S
Aircraft Category: Airplane
Year of Manufacture:2003
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 172S9501
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 08/10/2019, Annual
Certified Max Gross Wt.: 2299 lbs
Time Since Last Inspection: 91 Hours
Engines: 1 Reciprocating
Airframe Total Time: 4107 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: C91 installed, activated, did not aid in locating accident
Engine Model/Series: IO-360-L2A
Registered Owner: Rocky Mountain Flight Consultants Llc
Rated Power: 180 hp
Operator: Rocky Mountain Flight Consultants Llc
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBDU, 5289 ft msl
Distance from Accident Site: 1 Nautical Miles
Observation Time: 1112 MST
Direction from Accident Site: 125°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: None / None
Wind Direction:
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.52 inches Hg
Temperature/Dew Point: -5°C / -14°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Boulder, CO (BDU)
Type of Flight Plan Filed: None
Destination: Boulder, CO (BDU)
Type of Clearance: None
Departure Time: 0845 MST
Type of Airspace: Class G
Airport Information
Airport: Boulder Muni (BDU)
Runway Surface Type: Asphalt; Snow
Airport Elevation: 5288 ft
Runway Surface Condition: Slush covered
Runway Used: 08
IFR Approach: None
Runway Length/Width: 4100 ft / 75 ft
VFR Approach/Landing: Full Stop; Traffic Pattern
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 40.040000, -105.230000 (est)
Accident Number: CEN20CA094
Date & Time: 02/20/2020, 1100 MST
Registration: N370SP
Aircraft: Cessna 172
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal
The pilot and passenger departed from the uncontrolled airport on a snow packed runway and flew locally for about 2 hours, then returned to land. The pilot stated that while in the traffic pattern preparing to land, the runway appeared to be in the same condition as during the departure. Instead, the runway was slush covered due to the morning sun melting the snow and the airplane veered to the left during landing rollout. The pilot was unable to maintain directional control and the airplane subsequently impacted a snowbank on the edge of the runway and nosed over, which damaged both wings and the vertical stabilizer.
Pilot Information
Certificate: Foreign; Private
Age:33, Male
Airplane Rating(s): Single-engine Land
Seat Occupied:Left
Other Aircraft Rating(s): Glider
Restraint Used:
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 09/29/2015
Occupational Pilot: No
Last Flight Review or Equivalent: 10/07/2019
Flight Time: 506 hours (Total, all aircraft), 120 hours (Total, this make and model), 342 hours (Pilot In Command, all aircraft), 8 hours (Last 90 days, all aircraft), 5 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Cessna
Registration:N370SP
Model/Series: 172 S
Aircraft Category: Airplane
Year of Manufacture:2003
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 172S9501
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 08/10/2019, Annual
Certified Max Gross Wt.: 2299 lbs
Time Since Last Inspection: 91 Hours
Engines: 1 Reciprocating
Airframe Total Time: 4107 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: C91 installed, activated, did not aid in locating accident
Engine Model/Series: IO-360-L2A
Registered Owner: Rocky Mountain Flight Consultants Llc
Rated Power: 180 hp
Operator: Rocky Mountain Flight Consultants Llc
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBDU, 5289 ft msl
Distance from Accident Site: 1 Nautical Miles
Observation Time: 1112 MST
Direction from Accident Site: 125°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: None / None
Wind Direction:
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.52 inches Hg
Temperature/Dew Point: -5°C / -14°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Boulder, CO (BDU)
Type of Flight Plan Filed: None
Destination: Boulder, CO (BDU)
Type of Clearance: None
Departure Time: 0845 MST
Type of Airspace: Class G
Airport Information
Airport: Boulder Muni (BDU)
Runway Surface Type: Asphalt; Snow
Airport Elevation: 5288 ft
Runway Surface Condition: Slush covered
Runway Used: 08
IFR Approach: None
Runway Length/Width: 4100 ft / 75 ft
VFR Approach/Landing: Full Stop; Traffic Pattern
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 40.040000, -105.230000 (est)
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