Thursday, February 22, 2018

Stinson SR-5E, N141WC: Accident occurred November 11, 2017 at Skagit Regional Airport (KBVS), Burlington, Washington

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

Aviation Accident Final - 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/N141WC 


Location: Burlington, WA

Accident Number: GAA18CA042
Date & Time: 11/11/2017, 0700 PST
Registration: N141WC
Aircraft: STINSON SR 5E
Aircraft Damage: Substantial
Defining Event: Landing area overshoot
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Positioning 

Analysis

The pilot of the amphibious, float-equipped airplane reported that, 2 days before a repositioning flight, he inspected the destination airport. He had planned to land on an alternate grass landing area, adjacent to an asphalt runway, and stop before reaching a gravel driveway. He further reported that he noticed in the airport facility directory (AFD) that the intended landing area was closed due to soft, wet conditions.

The pilot reported that, during landing, he was "high and fast." He further reported that he landed "too far along to stop before the gravel drive." The airplane reached the gravel driveway, bounced, and then landed hard, and nosed over.


The airplane sustained substantial damage to the left wing.


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


The AFD for the accident airport, in part, stated:


"[Alternate Grass Landing Area (AGLA)]: AGLA clsd 1 Nov-1 June. Gnd soft when wet. [Daylight] hrs only. Use of AGLA prohibited when Rwy 04-22 in use….Pilots use at own risk."


Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's unstabilized approach, which resulted in a hard, bounced landing and nose-over. Also causal to the accident was the pilot's improper decision to land on a closed alternate grass landing area.

Findings

Aircraft
Descent/approach/glide path - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)
Decision making/judgment - Pilot (Cause)

Environmental issues
Soft surface - Effect on operation
Soft surface - Decision related to condition (Cause)

Factual Information

History of Flight

Prior to flight
Miscellaneous/other

Landing
Landing area overshoot (Defining event)
Loss of control on ground
Hard landing
Nose over/nose down

Pilot Information

Certificate: Commercial
Age: 80, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Lap Only
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: 08/25/2016
Occupational Pilot: No
Last Flight Review or Equivalent: 11/09/2016
Flight Time: (Estimated) 5864 hours (Total, all aircraft), 340 hours (Total, this make and model), 5369 hours (Pilot In Command, all aircraft), 8 hours (Last 90 days, all aircraft), 2 hours (Last 30 days, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Manufacturer: STINSON
Registration: N141WC
Model/Series: SR 5E UNDESIGNATED
Aircraft Category: Airplane
Year of Manufacture: 1934
Amateur Built: No
Airworthiness Certificate: Experimental
Serial Number: 9256A
Landing Gear Type: Float
Seats: 4
Date/Type of Last Inspection: 07/01/2017, Annual
Certified Max Gross Wt.: 3610 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 1313 Hours as of last inspection
Engine Manufacturer: Lycoming
ELT: C91  installed, not activated
Engine Model/Series: R680-13
Registered Owner: On file
Rated Power: 300 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: KBVS, 140 ft msl
Observation Time: 1455 UTC
Distance from Accident Site: 0 Nautical Miles
Direction from Accident Site: 65°
Lowest Cloud Condition:
Temperature/Dew Point: 6°C / 5°C
Lowest Ceiling: Overcast / 3300 ft agl
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 5 knots, 60°
Visibility (RVR):
Altimeter Setting: 29.99 inches Hg
Visibility (RVV): 
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: BELLINGHAM, WA (0W7)
Type of Flight Plan Filed: None
Destination: Burlington, WA (BVS)
Type of Clearance: None
Departure Time: 0645 PST
Type of Airspace: Class G

Airport Information

Airport: SKAGIT RGNL (BVS)
Runway Surface Type: Grass/turf
Airport Elevation: 145 ft
Runway Surface Condition: Wet
Runway Used: 22
IFR Approach: None
Runway Length/Width: 3000 ft / 60 ft
VFR Approach/Landing: Full Stop; Straight-in 

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: 48.466667, -122.418056 (est)

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