Aircraft Accident/Incident Report

Ontario, Oregon 97914
Monday, November 18, 1991 14:00 MST

NTSB Narrative Summary Released at Completion of Accident

AT THE CONCLUSION OF A REDUCED POWER DESCENDING SPIRAL, WITHOUT THE USE OF CARBURETOR HEAT, THE PILOT APPLIED THROTTLE AND THE ENGINE FAILED TO RESPOND. A FORCED LANDING WAS EXECUTED DURING WHICH THE AIRCRAFT STRUCK POWER LINES WHICH THE PILOT DID NOT SEE. SURFACE TEMPERATURE AND DEW POINT NEAR THE ACCIDENT SITE FELL INTO A RANGE CONDUCIVE FOR CARBURETOR ICING.

NTSB Probable Cause Narrative

CARBURETOR ICING AND THE PILOT'S FAILURE TO USE CARBURETOR HEAT. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE TRANSMISSION WIRES.

Event Information

Type of Event Accident
Event Date 11/18/1991
Event Day of the Week Monday
Time of Event 1400
Event Time Zone Mountain Standard Time
Event City ONTARIO
Event State OREGON
Event Country --
Zipcode of the event site 97914
Event Date Year 1991
Event Date Month 11
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 Weather Observation Facility
Time of the weather observation 1421 Mountain Standard Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID ONO
Elevation of weather observation facility 2190
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 5000
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) 20
Air Temperature at event time (in degrees celsius) 11
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1818
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45696
Date of most recent change to record Dec 12 2000 10:51AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9776C
NTSB Number SEA92LA020
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28-161
Aircraft Series Identifier PA-28-161
Aircraft Serial Number 28-7816527
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 Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name J.C. PITTS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 581 SOUTHWEST 33RD STREET
Operator City ONTARIO
Operator State OR
Operator Country
Operator Zip code 97914
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Instructional
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code ONO
Departure City ONTARIO
Departure State OR
Departure Country
Departure Time 1330
Departure Time Zone MST
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --