Aircraft Accident/Incident Report

Ola, Idaho 83657
Friday, October 4, 1991 13:05 MDT

NTSB Narrative Summary Released at Completion of Accident

DURING PLEASURE FLIGHT, THE AIRPLANE COLLIDED WITH THE TERRAIN IN A LEVEL FLIGHT ATTITUDE. DURING THE INVESTIGATION THERE WERE NO NOTED MECHANICAL FAILURES OR MALFUNCTIONS. THE PILOT'S AUTOPSY RESULTS INDICATED THT MULTIPLE SECTIONS OF THE CORONARY VESSELS SHOWED SEVERE CORNOARY ATHEROSCLEROSIS INVOLVING BOTH THE RIGHT AND LEFT CORNOARY VESSELS. THE PILOT WAS ALSO TAKING PRESCRIPTION MEDICATION FOR LIPID REGULATION.

NTSB Probable Cause Narrative

AN INCAPACITATING HEART ATTACK WHILE IN FLIGHT.

Event Information

Type of Event Accident
Event Date 10/4/1991
Event Day of the Week Friday
Time of Event 1305
Event Time Zone Mountain Daylight Time
Event City OLA
Event State IDAHO
Event Country --
Zipcode of the event site 83657
Event Date Year 1991
Event Date Month 10
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 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) 50
Air Temperature at event time (in degrees celsius) --
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) --
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1892
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45831
Date of most recent change to record Dec 12 2000 10:49AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N91577
NTSB Number SEA92FA001
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name NORTH AMERICAN
Aircraft Model NAVION
Aircraft Series Identifier NAVION
Aircraft Serial Number NAV4358
Certified Max Gross Weight 3233
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Sep 12 1991 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name BRYCE V. ROGERS
Aircraft Owner Street Address 29450 3RD FORK ROAD
Aircraft Owner City OLA
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83657
Operator is an individual? --
Operator Name BRYCE V. ROGERS
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 29450 3RD FORK ROAD
Operator City OLA
Operator State ID
Operator Country
Operator Zip code 83657
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 S78
Departure City EMMETT
Departure State ID
Departure Country
Departure Time 1230
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 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 --