Friday, October 12, 2018

Aviat A-1B, N52DA: Accident occurred September 24, 2018 in Raquette Lake, Hamilton County, New York

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Albany, New York

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Raquette Lake, NY
Accident Number: GAA18CA570
Date & Time: 09/24/2018, 1400 EDT
Registration: N52DA
Aircraft: Aviat A1
Aircraft Damage: Substantial
Defining Event: Miscellaneous/other
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal 

The pilot of the float-equipped airplane reported that, during approach to land on a lake, he aligned the airplane based on wind indications on the water as well as observing other seaplanes. After the water landing, while slowing and coming off the step, a wind gust lifted the right wing, the left float dug into the water, and the airplane nosed over. The pilot and pilot rated owner egressed and were rescued by boaters.

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.

The pilot reported that the wind was from 090° at 10 knots, gusting to 15 knots. A weather station, located about 8 miles to the southwest of the accident site, about the time of the accident, reported temperature 63°F, dew point 46°F, and wind from 185° at 7.8 mph, gusting to 10.3 mph. 

Pilot Information

Certificate: Flight Instructor; Commercial
Age: 69, Male
Airplane Rating(s): Single-engine Land; Single-engine Sea
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 5-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Single-engine
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 05/25/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 12/02/2016
Flight Time:  (Estimated) 2260 hours (Total, all aircraft), 23 hours (Total, this make and model), 2186 hours (Pilot In Command, all aircraft), 63 hours (Last 90 days, all aircraft), 10 hours (Last 30 days, all aircraft), 2.2 hours (Last 24 hours, all aircraft)

Pilot-Rated Passenger Information

Certificate: Commercial
Age: 67, Male
Airplane Rating(s): Single-engine Sea
Seat Occupied: Rear
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: BasicMed
Last FAA Medical Exam: 06/01/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 05/23/2018
Flight Time: (Estimated) 1679 hours (Total, all aircraft), 90 hours (Total, this make and model), 1520 hours (Pilot In Command, all aircraft), 15 hours (Last 90 days, all aircraft), 8 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Aviat
Registration: N52DA
Model/Series: A1 B
Aircraft Category: Airplane
Year of Manufacture: 1999
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 2033
Landing Gear Type: Retractable - Amphibian;
Seats: 2
Date/Type of Last Inspection: 05/01/2018, Annual
Certified Max Gross Wt.: 2200 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 933.5 Hours as of last inspection
Engine Manufacturer: Lycoming
ELT: C126 installed, not activated
Engine Model/Series: O-360-A1P
Registered Owner: On file
Rated Power: 180 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: KSLK, 1663 ft msl
Distance from Accident Site: 39 Nautical Miles
Observation Time: 1751 UTC
Direction from Accident Site: 29°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 5 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 90°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.46 inches Hg
Temperature/Dew Point: 16°C / 6°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Eagle Bay, NY
Type of Flight Plan Filed: None
Destination: Raquette Lake, NY
Type of Clearance: VFR Flight Following
Departure Time: 1345 EDT
Type of Airspace: Class G; Military Operation Area

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:  43.820000, -74.642222 (est)

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