Robertson Airport
Aircraft Accident/Incident Report

Plainville, Connecticut 06062
Friday, July 18, 1986 17:30 EDT

NTSB Narrative Summary Released at Completion of Accident

WHEN THE PLT CHECKED THE AIRSPEED INDICATOR ON TAKEOFF, HE SAW NO INDICATION OF SPEED & ABORTED THE TAKEOFF, BUT WAS UNABLE TO STOP ON THE REMAINING RWY. THE ACFT CONTD OFF THE DEPARTURE END, WHEN DOWN AN EMBANKMENT & BECAME INVERTED. AN EXAM REVEALED THE LACK OF AIRSPEED INDICATION WAS DUE TO A BLOCKAGE IN THE PITOT TUBE. THE BLOCKAGE HAD THE APPEARANCE OF A SUBSTANCE DEPOSITED BY MUD WASPS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/18/1986
Event Day of the Week Friday
Time of Event 1730
Event Time Zone Eastern Daylight Time
Event City PLAINVILLE
Event State CONNECTICUT
Event Country --
Zipcode of the event site 06062
Event Date Year 1986
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ROBERTSON
Event Location Nearest Airport ID 4B8
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 200
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 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) 20
Air Temperature at event time (in degrees celsius) 33
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1890
NTSB Notification Source --
NTSB Notification Date Jul 18 1986 12:00AM
NTSB Notification Time 1815
Fiche Number and/or location -used to find docket information 32315
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 N65612
NTSB Number NYC86LA190
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172P
Aircraft Series Identifier 172P
Aircraft Serial Number 17275784
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 --
Airframe Hours --
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 ROBERTSON FIELD
Aircraft Owner City PLAINVILLE
Aircraft Owner State CT
Aircraft Owner Country
Aircraft Owner Zipcode 06062
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 N48
Departure City PLAINVILLE
Departure State CT
Departure Country
Departure Time 1730
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
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 2
Runway Length 3116
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --