Kokhanok Bay Airport
Aircraft Accident/Incident Report

Iliamna, Alaska 99606
Sunday, July 1, 1990 17:30 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PILOT ELECTED TO TAKE OFF FROM A REMOTE LAKE IN GUSTY, TURBULENT WIND CONDITIONS. THE AIRPLANE WAS ESTIMATED TO BE 245 POUNDS OVER GROSS ALLOWABLE WEIGHT, AND ONLY FOUR SEATS AND SEAT BELTS WERE AVAILABLE FOR THE SIX PEOPLE ABOARD. WITNESSES SAID THAT THE AIRPLANE WAS PULLED OFF THE LAKE ABRUPTLY AND CLIMBED AT A STEEP ATTITUDE UNTIL APPROXIMATELY 20 FEET AGL. THE AIRPLANE THEN STRUCK THE WATER HARD WITH THE RIGHT FLOAT AND TURNED UPSIDE DOWN. RESCUERS INCLUDED A PILOT/PHYSICIAN AND LODGE OWNER WHO PROMPTLY REACHED THE SCENE AND SUCCESSFULLY ADMINISTERED CPR TO AN UNCONSCIOUS AND NOT BREATHING ADULT FEMALE AND MALE JUVENILE.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO FOLLOW PROPER PROCEDURES AND DIRECTIVES (EXCESSIVE FLAPS); FAILURE TO OPERATE THE AIRPLANE WITHIN THE ALLOWABLE GROSS WEIGHT LIMITATIONS; IMPROPER COMPENSATION FOR WIND CONDITIONS AND FAILURE TO MAINTAIN MINIMUM SAFE FLYING SPEED, RESULTING IN A STALL/MUSH.

Event Information

Type of Event Accident
Event Date 7/1/1990
Event Day of the Week Sunday
Time of Event 1730
Event Time Zone --
Event City ILIAMNA
Event State ALASKA
Event Country --
Zipcode of the event site 99606
Event Date Year 1990
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KOKHANOK BAY
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport Unknown
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 4
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 10000
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Unknown
Wind Speed (knots) 20
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 30
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor 1
Injury Total None 2
Injury Total Serious 1
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 358
NTSB Notification Source --
NTSB Notification Date Jul 1 1990 12:00AM
NTSB Notification Time 1850
Fiche Number and/or location -used to find docket information 41293
Date of most recent change to record Dec 12 2000 5:07PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N185KA
NTSB Number ANC90FA105
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 185
Aircraft Series Identifier 185
Aircraft Serial Number 18503932
Certified Max Gross Weight 3350
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 14 1990 12:00AM
Airframe hours since last inspection 33
Airframe Hours 2722
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name KAYLOR, RONALD W
Aircraft Owner Street Address 4500 E 135TH AVENUE
Aircraft Owner City ANCHORAGE
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99516
Operator is an individual? --
Operator Name KAYLOR, RONALD W.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 4500 E. 135TH AVE.
Operator City ANCHORAGE
Operator State AK
Operator Country
Operator Zip code 99516
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code NONE
Departure City
Departure State
Departure Country
Departure Time 1730
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code LHD
Destination City ANCHORAGE
Destination State AK
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --