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NTSB Report
January 7, 1993 · Grumman G-21A · N22932
Akutan, AK
Overview
Report Status
Probable Cause
Event Type
Incident
Date
January 7, 1993
Injury Outcomes
No injuries (8 uninjured)
Location
Akutan, AK
Aircraft
Grumman G-21A
Tail Number
N22932
Operator
Peninsula Airways
Injuries
None
Aircraft Damage
Minor
NTSB Number
ANC93IA026
THE PILOT STATED THAT JUST AFTER TOUCHING DOWN ON THE WATER, HE ENCOUNTERED A MICROBURST. HE ESTIMATED THAT THE WIND SPEED SUDDENLY CHANGED FROM ABOUT 15 TO 20 KNOTS TO 40 TO 50 KNOTS. THE LEFT WING FLOAT HIT THE WATER AND WAS TORN OFF. BECAUSE OF THE STRONG WINDS AND ROUGH WATER HE WAS UNABLE TO GET AIRBORNE OR TO TURN THE AIRPLANE. HE KEPT THE AIRPLANE HEADED INTO THE WIND AND BEACHED THE AIRPLANE ON THE OPPOSITE SIDE OF THE BAY. THE PILOT ALSO SAID THAT SUITABLE WEATHER CONDITIONS HAD BEEN REPORTED FOR THE LANDING AREA ABOUT ONE HALF HOUR EARLIER.
NTSB Probable Cause
THE INCIDENT WAS CAUSED BY THE PILOTS IMPROPER COMPENSATION FOR THE WINDS. FACTORS WERE THE MICROBURST, THE ROUGH WATER, AND THE PILOT'S INADEQUATE EVALUATION OF THE WEATHER CONDITIONS.
Full Narrative
THE PILOT STATED THAT JUST AFTER TOUCHING DOWN ON THE WATER, HE ENCOUNTERED A MICROBURST. HE ESTIMATED THAT THE WIND SPEED SUDDENLY CHANGED FROM ABOUT 15 TO 20 KNOTS TO 40 TO 50 KNOTS. THE LEFT WING FLOAT HIT THE WATER AND WAS TORN OFF. BECAUSE OF THE STRONG WINDS AND ROUGH WATER HE WAS UNABLE TO GET AIRBORNE OR TO TURN THE AIRPLANE. HE KEPT THE AIRPLANE HEADED INTO THE WIND AND BEACHED THE AIRPLANE ON THE OPPOSITE SIDE OF THE BAY. THE PILOT ALSO SAID THAT SUITABLE WEATHER CONDITIONS HAD BEEN REPORTED FOR THE LANDING AREA ABOUT ONE HALF HOUR EARLIER.
Flight
Event TypeIncident
Event Time10:30 AKST
Nearest Airport0nm N
Runway0
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftGrumman G-21A
Tail NumberN22932
Aircraft CategoryAir
DamageMinor
OperatorPeninsula Airways
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsP&W · R-985 · Reciprocating · 450
Seats9
People & Injuries
Injury SummaryNo injuries (8 uninjured)
Fatal0
Serious0
Minor0
Uninjured8
Total8
Crew 1Age 28 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind120° @ 15 kt, gusting 30 kt
Visibility5 sm
CeilingBroken clouds 800 ft
Temperature / Dew Point36 C / 0 C
Altimeter0
Weather SourcePILO