Nevada County Air Park Airport
Aircraft Accident/Incident Report

Grass Valley, California 95945
Tuesady, July 16, 2002 11:15 PDT

NTSB Narrative Summary Released at Completion of Accident

At touchdown following a normal approach, the pilot heard a "metallic clank" sound, the right main wheel broke, and the airplane veered off the runway into rough terrain and high vegetation. During the subsequent examination of the runway, black smudge marks were noted, which were consistent with a rubber transfer from the airplane's right main landing gear tire. Broken right wheel assembly components were found. The airplane was recovered from the accident site and the right main landing gear wheel assembly was examined. Upon disassembly, the inboard hub section was found broken at the inboard flange cap screws. The pilot reported he believed the hub was likely an original component, and its total time in service was 3,045.2 hours. The Cessna T210 series service manual indicates the landing gear main wheels should be removed and disassembled, and the components inspected every 50 hours. The airplane's maintenance records indicated it had been 4 years since new tires had been installed. There were no other maintenance entries to indicate that the wheel had been disassembled for inspection. An annual inspection was completed 9 months and 44 hours prior to the accident.

NTSB Probable Cause Narrative

The failure of the right main landing gear wheel, which resulted in the pilot's inability to maintain directional control during landing rollout. A factor in the accident was the failure of maintenance personnel to inspect the wheel in accordance with maintenance manual instructions.

Event Information

Type of Event Accident
Event Date 7/16/2002
Event Day of the Week Tuesday
Time of Event 1115
Event Time Zone Pacific Daylight Time
Event City Grass Valley
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95945
Event Date Year 2002
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 391326N
Event Location Longitude 1210011W
Event Location Airport Nevada County Air Park
Event Location Nearest Airport ID O17
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 3152
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1052 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 62
Weather Observation Facility ID BLU
Elevation of weather observation facility 5284
Distance of event from weather observation facility (units?) 14
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 8
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.17
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 3
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 16335
NTSB Notification Source
NTSB Notification Date Jul 16 2002 12:00AM
NTSB Notification Time 1202
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Sep 29 2004 1:02PM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office WP-FSDO Sacramento, CA

Aircraft Involved

Aircraft #1

Aircraft Registration Number N761HP
NTSB Number LAX02LA229
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model T210M
Aircraft Series Identifier --
Aircraft Serial Number 21062272
Certified Max Gross Weight 3800
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 4 2001 12:00AM
Airframe hours since last inspection 44
Airframe Hours 3045
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Minor E. Ward
Aircraft Owner Street Address --
Aircraft Owner City Nevada City
Aircraft Owner State CA
Aircraft Owner Country USA
Aircraft Owner Zipcode 95959
Operator is an individual? No
Operator Name --
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Grass Valley
Operator State CA
Operator Country USA
Operator Zip code 95949
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SUN
Departure City HAILEY
Departure State ID
Departure Country USA
Departure Time 818
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code O17
Destination City GRASS VALLEY
Destination State CA
Destination Country USA
Specific Phase of Flight Landing - flare/touchdown
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record Jul 26 2004 4:07PM
User who most recently changed record COOS
Since inspection or accident Time of Accident
Event Location Runway Number and Location 25
Runway Length 4350
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --