Tuesday, January 07, 2020

Structural Icing: Cessna 182Q Skylane, N97596; accident occurred November 06, 2019 at Rocky Mountain Metropolitan Airport (KBJC), Broomfield, Jefferson County, Colorado

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


https://registry.faa.gov/N97596


Location: Broomfield, CO
Accident Number: GAA20CA075
Date & Time: 11/06/2019, 1400 MST
Registration: N97596
Aircraft: Cessna 182
Aircraft Damage: Substantial
Defining Event: Structural icing
Injuries: 1 None 
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot reported that, while in instrument meteorological conditions (IMC) the airplane started accumulating ice on the wings and windshield. He informed air traffic control (ATC) and requested to be diverted. ATC vectored him to a nearby airport for an instrument approach. Following completion of the instrument approach, while the airplane was about 10 ft above the runway, the airplane stalled and landed hard on the runway. The pilot taxied to the ramp without further incident.

The airplane sustained substantial damage to the fuselage.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The Federal Aviation Administration's Pilot's Handbook of Aeronautical Knowledge, FAA-H-8083-25B, provides information and guidance in a section titled "Stalls" which stated in part:

As little as 0.8 millimeter of ice on the upper wing surface increases drag and reduces aircraft lift by 25 percent.

Pilot Information

Certificate: Commercial
Age: 32, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
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: 08/20/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 07/31/2018
Flight Time:  (Estimated) 430 hours (Total, all aircraft), 82 hours (Total, this make and model)

Aircraft and Owner/Operator Information

Aircraft Make: Cessna
Registration: N97596
Model/Series: 182 Q
Aircraft Category: Airplane
Year of Manufacture: 1979
Amateur Built:No 
Airworthiness Certificate: Normal
Serial Number: 18267143
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 08/22/2019, 100 Hour
Certified Max Gross Wt.: 2950 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 6470.4 Hours at time of accident
Engine Manufacturer: Continental
ELT: C91A installed, not activated
Engine Model/Series: O-470
Registered Owner: Aero-Sphere Inc
Rated Power: 230 hp
Operator: Aero-Sphere Inc
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Unknown
Condition of Light: Day
Observation Facility, Elevation: KBJC, 5595 ft msl
Distance from Accident Site: 1 Nautical Miles
Observation Time: 2145 UTC
Direction from Accident Site: 179°
Lowest Cloud Condition:
Visibility:  10 Miles
Lowest Ceiling: Overcast / 700 ft agl
Visibility (RVR):
Wind Speed/Gusts: 6 knots /
Turbulence Type Forecast/Actual: Unknown / Unknown
Wind Direction: 80°
Turbulence Severity Forecast/Actual: Unknown / Unknown
Altimeter Setting: 30.29 inches Hg
Temperature/Dew Point: 0°C / -1°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Denver, CO (APA)
Type of Flight Plan Filed: IFR
Destination: Longmont, CO (LMO)
Type of Clearance: IFR
Departure Time: 1320 MST
Type of Airspace: Class D

Airport Information

Airport: Rocky Mountain Metropolitan (BJC)
Runway Surface Type: Asphalt
Airport Elevation: 5673 ft
Runway Surface Condition: Dry
Runway Used: 30R
IFR Approach: ILS
Runway Length/Width: 9000 ft / 100 ft
VFR Approach/Landing: None

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: 39.908889, -105.117222 (est)

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