GAA17CA332

NTSB accident investigation · Cessna 208 · Elfin Cove, AK · May 24, 2017

Accident · No injuriesData collectionFinal report
Date
May 24, 2017, 08:30 local (11:30 UTC)
Place
Elfin Cove, AK
Injuries
8 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N1265UCessna 208
Defining event
Landing: Hard landing
Weather
Visual (VMC) · Day
Status
Completed · report January 23, 2018
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20170524007479A
Case key
95352

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot’s failure to recognize the magnitude of the swell size during landing, which resulted in a tail-low hard water landing.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Info processing/decision: identification/recognitionPersonnel issues › Action/decision · PilotAll aircraft: 559 casesProbable cause
Runway/land/takeoff/taxi surface: choppy surfaceEnvironmental issues › Physical environment · Effect on operationAll aircraft: 20 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot of the float-equipped airplane reported that, during a water landing, he "misread the size of the swell." He added that, immediately after touchdown. the airplane jumped a swell, which resulted in a tail-low hard landing. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Factual narrative

The pilot of the float-equipped airplane reported that, during a water landing, he "misread the size of the swell". He added that, immediately after touchdown the airplane jumped a swell, which resulted in a tail low hard landing. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N1265U
Reported as
Cessna 208 (A)
Category
Airplane
Serial number
20800375
Built
2004
Airframe hours
2,338.2
Engine
Honeywell TPE 331-12-JR, 900 horsepower, turbo prop
Damage
Substantial damage
Flight
Part 135
Operator
Kalinin Partners LLC., doing business as Alaska Seaplanes
Registered owner
Kalinin Partners LLC.
Airworthiness certificate
Standard, Normal
Last inspection
AAIP · May 9, 2017
Departed
PAJN · Juneau, AK
Destination
ELV · Elfin Cove, AK
Flight plan
Company VFR
Airport
ELV · Elfin Cove
Equipment
Stall warning system, Auto-pilot

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
45
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Without waivers/limitations
Last flight review
May 12, 2017
Seat
Left
Restraint
5-point
Flight hours
5,142 total · 150 in this make and model · 5,000 as pilot in command · 100 in the last 90 days · 87 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 9 knots
Visibility
15 statute miles
Lowest ceiling
2,200 ft overcast
Temperature
46 °F, dew point 39 °F
Altimeter
30.26 inHg
Observed at
PAEL

Docket · 2

The files NTSB released with the investigation on December 5, 2017, on NTSB’s docket system: statements, records, photos and specialists’ reports. 4.0 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.