Aircraft Accident/Incident Report

Palmer, Alaska 99645
Sunday, July 28, 1991 10:40 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PILOT STATED THAT, WHILE MANEUVERING OVER THE GLACIER, HE STALLED AND LOST CONTROL OF THE AIRPLANE. THE AIRPLANE CRASHED AT THE 1,500 FOOT LEVEL. AT THE TIME OF THE ACCIDENT, THE PILOT WAS OPERATING WITH AN EXPIRED MEDICAL CERTIFICATE.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN AIRSPEED AND INADVERTENT STALL DURING LOW LEVEL MANEUVERING FLIGHT. CONTRIBUTING TO THE ACCIDENT WAS THE HIGH TERRAIN.

Event Information

Type of Event Accident
Event Date 7/28/1991
Event Day of the Week Sunday
Time of Event 1040
Event Time Zone --
Event City PALMER
Event State ALASKA
Event Country --
Zipcode of the event site 99645
Event Date Year 1991
Event Date Month 7
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1100 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 10
Weather Observation Facility ID ANC
Elevation of weather observation facility 1500
Distance of event from weather observation facility (units?) 50
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
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) 18
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
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 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 549
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 44462
Date of most recent change to record Dec 12 2000 10:30AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7684H
NTSB Number ANC91LA111
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-12
Aircraft Series Identifier PA-12
Aircraft Serial Number 12-573
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 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 31 1990 12:00AM
Airframe hours since last inspection 75
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name HILL, MELVIN R.
Aircraft Owner Street Address 2345 VILLAGE DRIVE NORTH
Aircraft Owner City WASILLA
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99654
Operator is an individual? --
Operator Name HILL, MELVIN R.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 2345 VILLAGE DRIVE NORTH
Operator City WASILLA
Operator State AK
Operator Country
Operator Zip code 99654
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 Z16
Departure City WASILLA
Departure State AK
Departure Country
Departure Time 900
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 --