Aircraft Accident/Incident Report

Talkeetna, Alaska 99676
Saturday, April 22, 1989 14:15 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PRIVATE PILOT HAD TAKEN TWO PASSENGERS FOR A SCENIC RIDE IN HIS ONE PASSENGER AIRPLANE. HE WAS FLYING IN MOUNTAINOUS TERRAIN OVER THE RUTH GLACIER NEAR MOUNT MCKINLEY. HE SAW THE WORD 'HELP' STAMPED IN THE SNOW BY A GROUP OF MOUNTAIN CLIMBERS, TWO OF WHICH WERE INJURED. HE ELECTED TO LAND TO SEE IF HE COULD HELP, BUT ENCOUNTERED REDUCED VISIBILITY DUE TO SNOW AND LOW CLOUDS. HE ATTEMPTED A GO-AROUND BUT STALLED THE AIRPLANE ABOUT 30 FEET AGL. HE AND HIS TWO PASSENGERS ESCAPED WITH MINOR INJURIES AND WAITED RESCUE WITH THE CLIMBERS IN A NEARBY CABIN.

NTSB Probable Cause Narrative

THE PILOT'S CONTINUED VFR FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS AND THE INADVERTANT STALL/MUSH OF THE AIRPLANE. CONTRIBUTING FACTORS ARE THE PILOT'S OVERCONFIDENCE, SELF-INDUCED PRESSURE, MOUNTAINOUS TERRAIN AND WHITEOUT CONDITIONS.

Event Information

Type of Event Accident
Event Date 4/22/1989
Event Day of the Week Saturday
Time of Event 1415
Event Time Zone --
Event City TALKEETNA
Event State ALASKA
Event Country --
Zipcode of the event site 99676
Event Date Year 1989
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID NONE
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 5700
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID TKA
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 100
Lowest Non-Ceiling Height 50
Sky/Lowest/Cloud Conditions Partial Obscuration
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) -4
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 3
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 246
NTSB Notification Source --
NTSB Notification Date Apr 27 1989 12:00AM
NTSB Notification Time 900
Fiche Number and/or location -used to find docket information 38562
Date of most recent change to record Dec 13 2000 12:35PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1738A
NTSB Number ANC89LA063
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
Aircraft Series Identifier PA-18
Aircraft Serial Number 18-1311
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 Feb 22 1988 12:00AM
Airframe hours since last inspection 67
Airframe Hours 1653
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name NIVER, MARK A
Aircraft Owner Street Address BOX 520-201
Aircraft Owner City BIG LAKE
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99652
Operator is an individual? --
Operator Name NIVER, MARK A.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 520-201
Operator City BIG LAKE
Operator State AK
Operator Country
Operator Zip code 99652
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 No
Departure Airport Code BGQ
Departure City BIG LAKE
Departure State AK
Departure Country
Departure Time 1300
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
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 --