N/A Airport
Aircraft Accident/Incident Report

Enterprise, Oregon 97828
Sunday, November 14, 2010 10:30 PST

NTSB Narrative Summary Released at Completion of Accident

The noninstrumented pilot was conducting a personal cross-country flight. Family members reported the airplane overdue, and it was located the next day in rough, mountainous terrain near the last radar target that matched the airplane’s likely flightpath. The airplane initially impacted trees and then fragmented along the 80-yard-long wreckage distribution path. Instrument to marginal visual flight rules (VFR) conditions due to low ceilings prevailed around the accident site about the time of the accident. A tribal police officer who was patrolling in the area where the wreckage was located about the time of the accident reported that the weather conditions were windy, rainy, and foggy. The closest weather reporting station to the accident site reported a ceiling overcast about 400 feet above ground level. A series of airmen’s meteorological informations were current for the region for instrument flight rules and mountain obscuration conditions. No evidence was found indicating that the pilot received any weather briefings before or during the accident flight; if a briefing from a flight service station had occurred, it likely would not have recommended VFR flight in the area. Data extracted from a handheld GPS onboard the accident airplane revealed that the airplane’s flight track included numerous course changes, circles, and altitude changes consistent with a pilot attempting to maintain visual flight in marginal or instrument conditions. The pilot’s toxicology report identified more than one benzodiazepine, including diazepam and nordiazepam, in the blood and liver; however, the levels were low. Therefore, the pilot was likely not impaired from the medication at the time of the accident.

NTSB Probable Cause Narrative

The noninstrumented pilot’s inadequate weather planning, which resulted in his failure to maintain visual flight while maneuvering under low ceilings in rainy and foggy conditions and his subsequent failure to maintain clearance from mountainous terrain.

Event Information

Type of Event Accident
Event Date 11/14/2010
Event Day of the Week Sunday
Time of Event 1030
Event Time Zone Pacific Standard Time
Event City Enterprise
Event State OREGON
Event Country --
Zipcode of the event site 97828
Event Date Year 2010
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 451413N
Event Location Longitude 1181804W
Event Location Airport N/A
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 --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1035 Pacific Standard Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID KLDG
Elevation of weather observation facility 2717
Distance of event from weather observation facility (units?) 17
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 2100
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 7
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.13
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
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) 32979
NTSB Notification Source FAA NWM Communications Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 18 2014 1:23PM
User who most recently changed record plah
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N747MT
NTSB Number WPR11FA047
Missing Aircraft Indicator --
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 BEECH
Aircraft Model C35
Aircraft Series Identifier --
Aircraft Serial Number D-3092
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
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 Nov 12 2009 12:00AM
Airframe hours since last inspection --
Airframe Hours 4266
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type Unknown
Aircraft Owner Name Bruce Cummings
Aircraft Owner Street Address --
Aircraft Owner City Enterprise
Aircraft Owner State OR
Aircraft Owner Country USA
Aircraft Owner Zipcode 97828
Operator is an individual? No
Operator Name Bruce Cummings
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Enterprise
Operator State OR
Operator Country USA
Operator Zip code 97828
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
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 ALW
Departure City Walla Walla
Departure State WA
Departure Country USA
Departure Time 930
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code 8S4
Destination City Enterprise
Destination State OR
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 12 2014 4:17PM
User who most recently changed record coos
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --