Henry's Lake Airport
Aircraft Accident/Incident Report

Island Park, Idaho 83429
Wednesday, July 18, 1990 19:30 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT OF THE PIPER PA-28-140 TOOK OFF FROM THE HENRY'S LAKE AIRSTRIP WHEN THE DENSITY ALTITUDE WAS APPROXIMATELY 8700 FEET. ACCORDING TO HIM, THE AIRCRAFT 'QUIT FLYING' SHORTLY AFTER BECOMING AIRBORNE.

NTSB Probable Cause Narrative

IMPROPER PLANNING/DECISION BY THE PILOT. THE HIGH DENSITY ALTITUDE AND THE PILOT'S OVERCONFIDENCE IN THE AIRCRAFT'S ABILITY WERE RELATED FACTORS.

Event Information

Type of Event Accident
Event Date 7/18/1990
Event Day of the Week Wednesday
Time of Event 1930
Event Time Zone Pacific Daylight Time
Event City ISLAND PARK
Event State IDAHO
Event Country --
Zipcode of the event site 83429
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 HENRY'S LAKE
Event Location Nearest Airport ID U53
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 6596
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1930 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 235
Weather Observation Facility ID WYS
Elevation of weather observation facility 6644
Distance of event from weather observation facility (units?) 11
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
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) 0
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 485
NTSB Notification Source --
NTSB Notification Date Jul 18 1990 12:00AM
NTSB Notification Time 2050
Fiche Number and/or location -used to find docket information 41419
Date of most recent change to record Dec 12 2000 5:10PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5011T
NTSB Number SEA90LA139
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-28-140
Aircraft Series Identifier PA-28-140
Aircraft Serial Number 28-7225312
Certified Max Gross Weight 2150
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JIM CASAD
Aircraft Owner Street Address 103 SOUTH THIRD STREET
Aircraft Owner City NYSSA
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97913
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 06
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 U53
Departure City
Departure State
Departure Country
Departure Time 1930
Departure Time Zone MDT
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 Landing
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 4600
Runway Width 170
Sight Seeing flight No
Air Medical Flight No
Medical Flight --