Saturday, March 3, 2018

Champion 7AC, N1227G: Accident occurred August 05, 2017 at Nampa Municipal Airport (KMAN), Canyon County, Idaho

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Boise, Idaho

Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf 

Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms 

http://registry.faa.gov/N1227G


Location: Nampa, ID
Accident Number: GAA17CA471
Date & Time: 08/05/2017, 1000 MDT
Registration: N1227G
Aircraft: CHAMPION 7ACA
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal 

Analysis

The pilot of a tailwheel-equipped airplane reported that he and a flight instructor where doing touch-and-go landings as part of a flight review. During the eighth landing, the airplane veered to the right, the flight instructor applied the brakes, and the airplane nosed down.

The empennage sustained substantial damage.

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

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain directional control during the landing roll and the flight instructor's use of excessive braking, which led to a nose-over. 

Findings

Aircraft
Directional control - Not attained/maintained (Cause) 

Personnel issues
Aircraft control - Pilot (Cause)
Use of equip/system - Instructor/check pilot (Cause)

Factual Information

History of Flight

Landing
Loss of control on ground (Defining event)
Runway excursion
Nose over/nose down

Pilot Information

Certificate: Airline Transport; Commercial
Age: 75, Male
Airplane Rating(s): Multi-engine Land; Multi-engine Sea; Single-engine Land; Single-engine Sea
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 11/02/2011
Occupational Pilot: No
Last Flight Review or Equivalent: 12/27/2010
Flight Time:  (Estimated) 14900 hours (Total, all aircraft), 14300 hours (Pilot In Command, all aircraft) 

Check Pilot Information

Certificate: Flight Instructor; Commercial
Age: 71, Male
Airplane Rating(s):  Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Rear
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 01/15/2014
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time:

Aircraft and Owner/Operator Information

Aircraft Manufacturer: CHAMPION
Registration: N1227G
Model/Series: 7ACA
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 7AC-4921
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection:  Unknown
Certified Max Gross Wt.:
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time:
Engine Manufacturer: Lycoming
ELT: Installed, not activated
Engine Model/Series:
Registered Owner: T-CRAFT AERO CLUB INC
Rated Power: 100 hp
Operator: William Snethen
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KMAN, 2537 ft msl
Observation Time:  1555 UTC
Distance from Accident Site: 0 Nautical Miles
Direction from Accident Site: 132°
Lowest Cloud Condition: Clear
Temperature/Dew Point: 24°C / 3°C
Lowest Ceiling: None
Visibility:  8 Miles
Wind Speed/Gusts, Direction: 6 knots, 330°
Visibility (RVR):
Altimeter Setting: 29.91 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Nampa, ID (MAN)
Type of Flight Plan Filed: None
Destination: Nampa, ID (MAN)
Type of Clearance: None
Departure Time:  MDT
Type of Airspace: Class G

Airport Information

Airport: NAMPA MUNI (MAN)
Runway Surface Type: Asphalt
Airport Elevation: 2536 ft
Runway Surface Condition: Unknown
Runway Used: 29
IFR Approach: None
Runway Length/Width: 5000 ft / 75 ft
VFR Approach/Landing:  Full Stop; Touch and Go; Traffic Pattern 

Wreckage and Impact Information

Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude:  43.581944, -116.524444 (est)

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