Portland-Hillsboro Airport
Aircraft Accident/Incident Report

Hillsboro, Oregon 97124
Tuesady, February 27, 1996 8:30 PST

NTSB Narrative Summary Released at Completion of Accident

The pilot reported that after landing he taxied toward the fuel island. Just prior to the island, the left main landing gear rolled into an open manhole and the left wing contacted the surface. Maintenance personnel had removed the manhole cover earlier in the morning and failed to set up warning cones around the area.

NTSB Probable Cause Narrative

the failure of the pilot to identify the unsuitable taxi area, and the failure of airport maintenance personnel to properly identify a construction area.

Event Information

Type of Event Accident
Event Date 2/27/1996
Event Day of the Week Tuesday
Time of Event 830
Event Time Zone Pacific Standard Time
Event City HILLSBORO
Event State OREGON
Event Country --
Zipcode of the event site 97124
Event Date Year 1996
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PORTLAND-HILLSBORO
Event Location Nearest Airport ID HIO
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 204
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 847 Pacific Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID HIO
Elevation of weather observation facility 204
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PST
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) 2
Dew Point at event time (in degress fahrenheit) -5
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
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) 195
NTSB Notification Source --
NTSB Notification Date Feb 27 1996 12:00AM
NTSB Notification Time 1015
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 8 2000 9:51AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9669B
NTSB Number SEA96LA064
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 180A
Aircraft Series Identifier 180A
Aircraft Serial Number 32966
Certified Max Gross Weight 2650
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 Nov 10 1995 12:00AM
Airframe hours since last inspection 10
Airframe Hours 4032
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CHARLES M. MILTON
Aircraft Owner Street Address 724 STEARMAN ST.
Aircraft Owner City INDEPENDENCE
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97351
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 7S5
Departure City INDEPENDENCE
Departure State OR
Departure Country
Departure Time 800
Departure Time Zone PST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Taxi
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 --