Aircraft Accident/Incident Report

Port Moller, Alaska 99695
Monday, September 18, 1989 19:30 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PLT WAS ON A FLT TO AIRDROP SURVIVAL EQUIPMENT TO SURVIVORS OF A BOATING ACDNT, OF WHICH HE HAD WITNESSED THE DROWNING OF A CLOSE FRIEND. HE DEPARTED SANDY LAKE LODGE IN GUSTY WIND CONDITIONS. THE RESCUE AREA WAS LOCATED ON THE LEE SIDE OF MOUNTAINS THAT ROSE TO ABOUT 2000 FT ABOVE THE LAKE. ACCORDING TO WITNESSES, THE ACFT WAS MANEUVERING AT ABOUT 150 FT AGL, BEFORE THE ACDNT OCCURRED. THE PLT RPRTD THAT THE ACFT ENCOUNTERED SEVERE TURBULENCE AND A DOWN- DRAFT FROM WHICH HE WAS UNABLE TO RECOVER. WITNESSES ESTIMATED THE WIND WAS FROM 120 DEG AT 35 GUSTING 60 KTS. THE PLT ESTIMATED THE WIND WAS GUSTING TO 80 KTS.

NTSB Probable Cause Narrative

IMPROPER PLANNING/DECISION BY THE PILOT. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S SELF INDUCED PRESSURE AND THE ADVERSE WEATHER CONDITIONS.

Event Information

Type of Event Accident
Event Date 9/18/1989
Event Day of the Week Monday
Time of Event 1930
Event Time Zone --
Event City PORT MOLLER
Event State ALASKA
Event Country --
Zipcode of the event site 99695
Event Date Year 1989
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
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 3500
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Unknown
Wind Speed (knots) 35
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 80
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1195
NTSB Notification Source --
NTSB Notification Date Sep 18 1989 12:00AM
NTSB Notification Time 1957
Fiche Number and/or location -used to find docket information 39404
Date of most recent change to record Dec 13 2000 1:02PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7124K
NTSB Number ANC89LA172
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 PIPER
Aircraft Model PA-18-105
Aircraft Series Identifier PA-18-105
Aircraft Serial Number 18-342
Certified Max Gross Weight 1750
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 1 1989 12:00AM
Airframe hours since last inspection 50
Airframe Hours 1810
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MELVIN B. GILLIS
Aircraft Owner Street Address 8131 EVANS CR.
Aircraft Owner City ANCHORAGE
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99507
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City SANDY LK LODGE
Departure State AK
Departure Country
Departure Time 1915
Departure Time Zone ADT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering
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 --