Aircraft Accident/Incident Report

Nez Perce, Idaho 83543
Thursday, July 25, 1996 20:35 PDT

NTSB Narrative Summary Released at Completion of Accident

After takeoff, the pilot elected to turn up a valley which would provide the most direct route to his destination. Once committed to that route of flight, he realized that the aircraft could not out-climb the rising terrain. He attempted to land the aircraft at the point where its climb gradient intersected the terrain, but it impacted trees during his attempted emergency landing. Later calculations determined the density altitude to be approximately 5,000 feet.

NTSB Probable Cause Narrative

the pilot's improper in-flight decision to turn up a canyon, which the aircraft was unable to out-climb. Factors relating to the accident were: high ambient temperature, high density altitude, blind/box canyon, and trees in the area where the aircraft's climb profile caused it to come in contact with the raising terrain.

Event Information

Type of Event Accident
Event Date 7/25/1996
Event Day of the Week Thursday
Time of Event 2035
Event Time Zone Pacific Daylight Time
Event City NEZ PERCE
Event State IDAHO
Event Country --
Zipcode of the event site 83543
Event Date Year 1996
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 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
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Dusk
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) 20
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 1
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) 29
Density Altitude (feet) 5045
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 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1373
NTSB Notification Source --
NTSB Notification Date Jul 26 1996 12:00AM
NTSB Notification Time 125
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 8 2000 10:13AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N61842
NTSB Number SEA96LA169
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 Cessna
Aircraft Model 172M
Aircraft Series Identifier 172M
Aircraft Serial Number 17264836
Certified Max Gross Weight 2300
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 Annual
Date of Last Inspection Jun 9 1996 12:00AM
Airframe hours since last inspection 61
Airframe Hours 5778
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name INTER STATE AVIATION, INC.
Aircraft Owner Street Address ROUTE 3, BOX 856
Aircraft Owner City PULLMAN
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 99163
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code S82
Departure City KOOSKIA
Departure State ID
Departure Country
Departure Time 2035
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code PUW
Destination City PULLMAN
Destination State WA
Destination Country
Specific Phase of Flight Emergency landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --