Saturday, October 10, 2020

Loss of Control in Flight: de Havilland Canada DHC-2 Beaver, N1544; accident occurred October 07, 2019 Kodiak, Alaska

Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

Aviation Accident Final Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Kodiak, AK
Accident Number: GAA20CA007
Date & Time: 10/07/2019, 1410 AKD
Registration: N1544
Aircraft: De Havilland BEAVER DHC 2
Aircraft Damage: Substantial
Defining Event: Loss of control in flight
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Positioning


The pilot reported that, during landing on a glassy river and as he was rolling the wings level, he felt the left float touch the water. The airplane yawed left, went up a riverbank, and slid on the tundra. The airplane sustained substantial damage to the left-wing lift strut. The pilot reported that there were no preaccident mechanical failures or malfunctions 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 lateral control while landing on glassy water, which resulted in the left float touching the water, a loss of yaw control, and impact with a riverbank.


Lateral/bank control - Not attained/maintained (Cause)
Yaw control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Glassy surface - Effect on personnel (Cause)
Object/animal/substance - Effect on operation (Cause)

Factual Information

History of Flight

Loss of control in flight (Defining event)
Loss of control on ground
Collision with terr/obj (non-CFIT) 

Pilot Information

Certificate: Airline Transport; Flight Instructor
Age: 44, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s):None 
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 Without Waivers/Limitations
Last FAA Medical Exam: 02/14/2019
Occupational Pilot: Yes
Last Flight Review or Equivalent: 04/16/2019
Flight Time:  (Estimated) 8173 hours (Total, all aircraft), 238 hours (Total, this make and model), 7978 hours (Pilot In Command, all aircraft), 231 hours (Last 90 days, all aircraft), 52 hours (Last 30 days, all aircraft), 4 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: De Havilland
Registration: N1544
Model/Series: BEAVER DHC 2 No Series
Aircraft Category: Airplane
Year of Manufacture: 1958
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 1230
Landing Gear Type: Float
Seats: 7
Date/Type of Last Inspection: 09/30/2019, 100 Hour
Certified Max Gross Wt.: 5370 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 31302.2 Hours as of last inspection
Engine Manufacturer:P&W 
ELT:  C126 installed, not activated
Engine Model/Series: R985
Registered Owner: Andrew Airways Inc
Rated Power:450 hp 
Operator: Andrew Airways Inc
Operating Certificate(s) Held: On-demand Air Taxi (135)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PAKH, 43 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 2156 UTC
Direction from Accident Site: 183°
Lowest Cloud Condition: Clear
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 12 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 240°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.38 inches Hg
Temperature/Dew Point: 11°C / 1°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Larson Bay, AK
Type of Flight Plan Filed: Company VFR
Destination: Kodiak, AK
Type of Clearance: None
Departure Time:1357 ADT 
Type of Airspace: Class G

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: 56.938611, -154.182500 (est)

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