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NTSB Report
October 15, 2022 · Progressive Aerodyne Searey · N129KB
Lake Isabel, WA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 15, 2022
Injury Outcomes
No injuries (1 uninjured)
Location
Lake Isabel, WA
Aircraft
Progressive Aerodyne Searey (2006)
Tail Number
N129KB
Operator
Personal
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR23LA019
The pilot of the amphibious airplane reported that, during the tailwind departure from the mountain lake, the airplane was about 40 ft above water level, at an airspeed of 57 miles per hour (mph), when the airplane encountered windshear. The airspeed decreased suddenly by 10-15 mph and the airplane entered a 600 foot per minute descent rate that the airplane was unable to out climb with takeoff power. The airplane subsequently collided hard with the water and bounced before coming to rest. The wings and fuselage were substantially damaged. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot’s loss of airplane control after an encounter with windshear during takeoff which, resulted in a hard water landing.
Full Narrative
The pilot of the amphibious airplane reported that, during the tailwind departure from the mountain lake, the airplane was about 40 ft above water level, at an airspeed of 57 miles per hour (mph), when the airplane encountered windshear. The airspeed decreased suddenly by 10-15 mph and the airplane entered a 600 foot per minute descent rate that the airplane was unable to out climb with takeoff power. The airplane subsequently collided hard with the water and bounced before coming to rest. The wings and fuselage were substantially damaged. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time15:00 PDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftProgressive Aerodyne Searey
Tail NumberN129KB
Aircraft CategoryAir
DamageSubstantial
OperatorPersonal
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 912ULS · Reciprocating · 100
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 29 · First Class · None
Conditions
ConditionsVMC
LightDaylight
Wind360° @ 6 kt
Visibility2 sm
CeilingOvercast 3500 ft
Temperature / Dew Point63 F / 48 F
Altimeter30.02 inHg
Observation Time11:53
Weather SourceWFAC