Hanscom Field Airport
Aircraft Accident/Incident Report

Bedford, Massachusetts
Saturday, October 17, 1987 17:38 EDT

NTSB Narrative Summary Released at Completion of Accident

A CESSNA 172, N97313, AND A BEECH C23, N6718Z, COLLIDED IN FLT AS THE PLTS OF BOTH ACFT WERE ARRIVING TO LAND ON RWY 11 AT HANSCOM FIELD. THE CESSNA PLT HAD PLANNED TO LAND AT BEVERLY, MA, BUT DIVERTED TO HANSOM FIELD DUE TO WX. THE CESSNA WAS IN A LEFT TURN AS THE 2 ACFT CONVERGED. THE BEECH PLT SAW THE CESSNA JUST BEFORE IMPACT & TOOK EVASIVE ACTION. DRG THE COLLISION, THE ELEVATOR OF THE BEECH C23 & THE RIGHT WING & PROP OF THE CESSNA 172 WERE DAMAGED; HOWEVER, BOTH PLTS WERE ABLE TO LAND SAFELY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/17/1987
Event Day of the Week Saturday
Time of Event 1738
Event Time Zone Eastern Daylight Time
Event City BEDFORD
Event State MASSACHUSETTS
Event Country --
Zipcode of the event site
Event Date Year 1987
Event Date Month 10
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HANSCOM FIELD
Event Location Nearest Airport ID BED
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 133
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 1000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 90
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) --
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) 2495
NTSB Notification Source --
NTSB Notification Date Oct 17 1987 12:00AM
NTSB Notification Time 2030
Fiche Number and/or location -used to find docket information 36928
Date of most recent change to record Dec 13 2000 2:56PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N97313 N6718Z
NTSB Number NYC88LA012A NYC88LA012B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Substantial Substantial
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA BEECH
Aircraft Model 172P C23
Aircraft Series Identifier 172P C23
Aircraft Serial Number 17276177 M2271
Certified Max Gross Weight 2150 2450
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 4 4
Number of Engines 1 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection Annual Annual
Date of Last Inspection Feb 13 1987 12:00AM Aug 31 1987 12:00AM
Airframe hours since last inspection 90 54
Airframe Hours 791 1867
ELT Installed Yes Yes
ELT Activated No No
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name CIVIL AIR PATROL, INC. RAYTHEON EMPLOYEES FLYING CLUB
Aircraft Owner Street Address BLDG. 714 HARTWELL RD.
Aircraft Owner City MAXWELL BEDFORD
Aircraft Owner State AL MA
Aircraft Owner Country
Aircraft Owner Zipcode 36112 01730
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown 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 Personal
Second Pilot on Board No No
Departure Point Same as Event No No
Departure Airport Code BED
Departure City FITCHBURG BEDFORD
Departure State MA MA
Departure Country
Departure Time 1725 1720
Departure Time Zone EDT EDT
Destination Same as Local Flt -- dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City BEVERLY
Destination State MA
Destination Country
Specific Phase of Flight Approach Approach
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:35AM Jan 2 2001 10:35AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 11 11
Runway Length 7001 7001
Runway Width 150 150
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --