Aircraft Accident/Incident Report

Antelope, Oregon 97001
Tuesady, February 25, 1986 18:55 PST

NTSB Narrative Summary Released at Completion of Accident

PLT WAS OPERATING VFR ON TOP AT 11000 FEET, COMMENCED DESCENT TO DESTINATION 34 MILES OUT. PLT RPTED FIELD IN SIGHT 16 MILES OUT, PASSING 6500 FT, CANCELLED FLIGHT PLAN. ACFT IMPACTED RIDGE AT 4100 FEET MSL 7 MILES FROM DESTINATION. DARK NIGHT CONDS EXISTED, WITH OVERCAST ABOVE BROKEN CLOUDS. RESIDENTS REPORTED MODERATE DRIZZLE IN AREA AT TIME OF CRASH. FORECAST INCLUDED MODERATE TURBULENCE BELOW 15000 FEET WITH STRONG UP AND DOWN DRAFTS NEAR MOUNTAINS, MOUNTAINS OBSCURED IN CLOUDS AND PRECIPITATION. RADAR TRACK SHOWED ACFT SPD DURING DESCENT IN EXCESS OF 200 KTS, RATE OF DESCENT UP TO 1200 FEET PER MINUTE. WRECKAGE INDICATES ACFT STRUCK STEEP ROCKY SLOPE IN NOSE-HIGH ATTITUDE WITH POWER ON.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/25/1986
Event Day of the Week Tuesday
Time of Event 1855
Event Time Zone Pacific Standard Time
Event City ANTELOPE
Event State OREGON
Event Country --
Zipcode of the event site 97001
Event Date Year 1986
Event Date Month 2
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 0
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1855 Pacific Standard Time
Direction of event from weather observation facility (degrees) 208
Weather Observation Facility ID RDM
Elevation of weather observation facility 3077
Distance of event from weather observation facility (units?) 43
Time Zone of the weather observation PST
Lighting Conditions Night/Dark
Lowest Ceiling Height 4000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 9
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 80
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Moderate
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 134
NTSB Notification Source --
NTSB Notification Date Feb 25 1986 12:00AM
NTSB Notification Time 2130
Fiche Number and/or location -used to find docket information 29944
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8305C
NTSB Number SEA86FA066
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA34-200T
Aircraft Series Identifier PA34-200T
Aircraft Serial Number 347670123
Certified Max Gross Weight 4570
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 7
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jan 1 1986 12:00AM
Airframe hours since last inspection 10
Airframe Hours 2120
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ALBERT C. DEPENBROCK
Aircraft Owner Street Address 831 LANCASTER DR. SUITE 209211
Aircraft Owner City SALEM
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97301
Operator is an individual? --
Operator Name
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BOX 10
Operator City RAJNEESHPURAM
Operator State OR
Operator Country
Operator Zip code 97741
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PDX
Departure City PORTLAND
Departure State OR
Departure Country
Departure Time 1814
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code 350R
Destination City RAJNEESHPURAM
Destination State OR
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --