Aircraft Accident/Incident Report

Holden, Massachusetts 01520
Wednesday, November 16, 1988 18:50 EST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT MADE A NIGHT INSTRUMENT DEPARTURE WITH A MAXIMUM ASSIGNED ALTITUDE OF 4,000 FT. THE PLT FAILED TO FOLLOW HIS DEPARTURE INSTRUCTIONS CONCERNING ROUTING. HE CLIMBED TO 4,600 FT AND WHEN QUERIED, SAID HE WAS HAVING AUTOPILOT PROBLEMS. A FEW MINUTES LATER, THE ACFT DISAPPEARED FROM RADAR. THE ACFT IMPACTED A LINE OF TREES AT A HIGH SPEED AND WAS EXTENSIVELY BROKEN UP. THE WRECKAGE WAS SCATTERED OVER 450 FT. THE AUTOPILOT PROBLEM WAS NOT IDENTIFIED DUE TO THE EXTENT OF IMPACT DAMAGE; HOWEVER, NO PROBLEM WAS NOTED WITH THE AIRFRAME OR ENGINE. THE PLT WAS CURRENT WITH INSTRUMENTS, BUT NOT FOR NIGHT FLIGHT. THE ACFT PITOT STATIC SYSTEM AND TRANSPONDER WERE BOTH OUT OF INSPECTION.

NTSB Probable Cause Narrative

INFLIGHT LOSS OF CONTROL DUE TO SPATIAL DISORIENTATION AND CONTACT WITH TREES PRIOR TO REGAINING CONTROL AFTER THE PILOT EXPERIENCED AN UNKNOWN PROBLEM WITH THE AUTOPILOT. CONTRIBUTING WAS THE LACK OF RECENT NIGHT EXPERIENCE.

Event Information

Type of Event Accident
Event Date 11/16/1988
Event Day of the Week Wednesday
Time of Event 1850
Event Time Zone Eastern Standard Time
Event City HOLDEN
Event State MASSACHUSETTS
Event Country --
Zipcode of the event site 01520
Event Date Year 1988
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 1850 Eastern Standard Time
Direction of event from weather observation facility (degrees) 180
Weather Observation Facility ID ORH
Elevation of weather observation facility 1008
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation EST
Lighting Conditions Night/Dark
Lowest Ceiling Height 600
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 11
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 7
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 Unknown
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2491
NTSB Notification Source --
NTSB Notification Date Nov 17 1988 12:00AM
NTSB Notification Time 810
Fiche Number and/or location -used to find docket information 39775
Date of most recent change to record Dec 13 2000 12:18PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1170Z
NTSB Number NYC89FA032
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MOONEY
Aircraft Model M20K
Aircraft Series Identifier M20K
Aircraft Serial Number 25-0704
Certified Max Gross Weight 2900
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 5 1988 12:00AM
Airframe hours since last inspection --
Airframe Hours 1783
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JULES L. LEVINE
Aircraft Owner Street Address 8 COLONY BLVD. APT. 302
Aircraft Owner City WILMINGTON
Aircraft Owner State DE
Aircraft Owner Country
Aircraft Owner Zipcode 19802
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 ORH
Departure City WORCESTER
Departure State MA
Departure Country
Departure Time 1843
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code BDR
Destination City BRIDGEPORT
Destination State CT
Destination Country
Specific Phase of Flight Descent
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 --