Sunday, January 14, 2018

Cessna 170B, N2714D: Accident occurred July 11, 2017 at Friday Harbor Airport (KFHR), San Juan County, Washington

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Seattle, Washington

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

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

Aviation Accident Data Summary - National Transportation Safety Board: https://app.ntsb.gov/pdf

http://registry.faa.gov/N2714D

Location: Friday Harbor, WA
Accident Number: GAA17CA426
Date & Time: 07/11/2017, 1225 PDT
Registration: N2714D
Aircraft: CESSNA 170
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Business

Analysis 

The pilot in the tailwheel-equipped airplane reported that, following a personal flight, he made a three-point landing on runway 16. He recalled that, during the landing flare, the airplane encountered a wind gust, and following touchdown, the airplane exited the left side of the runway and ground looped to the left. The airplane slid down an embankment, and the right wing struck the ground.

The airplane sustained substantial damage to the right-wing spar and aileron.

The METAR at the airport reported that the wind was from 180° at 5 knots with 10 statute miles visibility and clear skies.

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 loss of directional control during landing.

Findings

Aircraft
Landing flare - Not attained/maintained (Cause)
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Sloped/uneven terrain - Contributed to outcome

Factual Information

History of Flight

Landing-flare/touchdown
Loss of control on ground (Defining event)

Landing-landing roll
Runway excursion

Collision with terr/obj (non-CFIT)

Location: Friday Harbor, WA

Accident Number: GAA17CA426
Date & Time: 07/11/2017, 1225 PDT
Registration: N2714D
Aircraft: CESSNA 170
Aircraft Damage: Unknown
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under:  Part 91: General Aviation - Business

The pilot in the tailwheel equipped airplane reported that following a personal flight he made a three-point landing on runway 16.

He recalled that during the landing flare, the airplane encountered a wind gust, and following touch down the airplane exited the left side of the runway and ground looped to the left. The airplane slid down an embankment and the right wing struck the ground.

The airplane sustained substantial damage to the right-wing spar and aileron.

The METAR at the airport, reported that the wind was from 180° at 5 knots, with 10 statute miles visibility and clear skies.

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

Certificate: None
Age: 71, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s):  None
Toxicology Performed: No
Medical Certification: Class 2 Without Waivers/Limitations
Last FAA Medical Exam: 03/04/2015
Occupational Pilot:  
Last Flight Review or Equivalent: 07/16/2015
Flight Time: (Estimated) 823 hours (Total, all aircraft), 498 hours (Total, this make and model), 20 hours (Last 90 days, all aircraft), 3 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Manufacturer: CESSNA
Registration: N2714D
Model/Series: 170 B
Aircraft Category: Airplane
Year of Manufacture: 1953
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 25256
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 10/06/2016, Annual
Certified Max Gross Wt.:  1451 lbs
Time Since Last Inspection: 
Engines: 1 Reciprocating
Airframe Total Time: 3404.6 Hours as of last inspection
Engine Manufacturer: CONT MOTOR
ELT: C91  installed, not activated
Engine Model/Series: C145 SERIES
Registered Owner: On file
Rated Power: 145 hp
Operator: On file
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KORS, 31 ft msl
Observation Time: 1915 UTC
Distance from Accident Site: 12 Nautical Miles
Direction from Accident Site: 22°
Lowest Cloud Condition: Clear
Temperature/Dew Point: 19°C / 11°C
Lowest Ceiling: None
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 5 knots, 180°
Visibility (RVR): 
Altimeter Setting: 30.11 inches Hg
Visibility (RVV): 
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Friday Harbor, WA (kfhr)
Type of Flight Plan Filed: None
Destination:  Friday Harbor, WA (KFHR)
Type of Clearance:  VFR
Departure Time:  1150 PDT
Type of Airspace: Class G

Airport Information

Airport: FRIDAY HARBOR (FHR)
Runway Surface Type: Asphalt
Airport Elevation: 110 ft
Runway Surface Condition: Dry
Runway Used: 16
IFR Approach: None
Runway Length/Width: 3402 ft / 75 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Unknown
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude:  48.521944, -123.024444 (est)

No comments: