Sulphur Creek Airport
Aircraft Accident/Incident Report

Cascade, Idaho 83611
Sunday, June 13, 2010 8:30 MDT

NTSB Narrative Summary Released at Completion of Accident

The pilot reported that after an uneventful landing, the airplane drifted approximately 20 feet to the left of the runway centerline during the landing roll on the gravel and turf runway. The pilot corrected back to the runway centerline just as the airplane’s nose landing gear dropped into a large unnoticed hole. The airplane came to an immediate stop and sustained substantial damage to the firewall. The pilot reported no mechanical failures or malfunctions prior to the accident.

NTSB Probable Cause Narrative

The pilot’s encounter with an unknown hole in the runway during the landing roll.

Event Information

Type of Event Accident
Event Date 6/13/2010
Event Day of the Week Sunday
Time of Event 830
Event Time Zone Mountain Daylight Time
Event City Cascade
Event State IDAHO
Event Country --
Zipcode of the event site 83611
Event Date Year 2010
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 443211N
Event Location Longitude 1152103W
Event Location Airport Sulphur Creek
Event Location Nearest Airport ID ID74
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 5835
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 751 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 305
Weather Observation Facility ID MYL
Elevation of weather observation facility 5024
Distance of event from weather observation facility (units?) 45
Time Zone of the weather observation MDT
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) 9
Dew Point at event time (in degress fahrenheit) 5
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.2
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report KMYL 131351Z AUTO 23003KT 10SM CLR 09/05 A3020 RMK
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 27318
NTSB Notification Source FAA Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 16 2010 10:10PM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5720A
NTSB Number WPR10CA327
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 172
Aircraft Series Identifier --
Aircraft Serial Number 28320
Certified Max Gross Weight 2200
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 8 2010 12:00AM
Airframe hours since last inspection 3
Airframe Hours 2832
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name WARD LEIGH C
Aircraft Owner Street Address --
Aircraft Owner City GARDEN VALLEY
Aircraft Owner State ID
Aircraft Owner Country USA
Aircraft Owner Zipcode 83622-5076
Operator is an individual? No
Operator Name WARD LEIGH C
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City GARDEN VALLEY
Operator State ID
Operator Country USA
Operator Zip code 83622-5076
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
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 U72
Departure City Challis
Departure State ID
Departure Country USA
Departure Time 800
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code ID74
Destination City Cascade
Destination State ID
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 7 2010 1:02PM
User who most recently changed record broda
Since inspection or accident Time of Accident
Event Location Runway Number and Location 28
Runway Length 3300
Runway Width 40
Sight Seeing flight No
Air Medical Flight No
Medical Flight --