Aircraft Accident/Incident Report

Brookline, New Hampshire 03033
Thursday, January 17, 1991 17:15 EST

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT (A RATED PILOT) & THE INSTRUCTOR (CFI) TOOK OFF AT 1645 EST ON A FLIGHT TO PROVIDE EXPERIENCE IN COMPLEX AIRCRAFT TO THE STUDENT. THE LESSON WAS TO INCLUDE MINIMUM CONTROL AIRSPEEDS/STALLS, STEEP TURNS, AND EMERGENCY PROCEDURES. SUBSEQUENTLY, THE AIRCRAFT WAS FOUND WHERE IT HAD CRASHED ON A WOODED HILLTOP. THERE WERE NO KNOWN WITNESSES TO THE ACCIDENT. AN EXAM OF THE WRECKAGE REVEALED THE AIRCRAFT HAD CRASHED IN A STEEP DESCENT. THE ONLY DAMAGE TO TREES WAS DIRECTLY ABOVE THE WRECKAGE. CUT TREE LIMBS WERE FND IN THAT AREA. THE LEADING EDGES OF BOTH WINGS WERE COMPRESSED REARWARD, THE INSTRUMENT PANEL WAS DISPLACED FORWARD, THE BACK OF THE RIGHT FRONT SEAT WAS DISPLACED REARWARD, AND THE LEFT FRONT SEAT WAS DISPLACED TO THE RIGHT & SLIGHTLY REARWARD. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. OFFICIAL TWILIGHT WAS AT 1711 EST.

NTSB Probable Cause Narrative

THE FAILURE OF THE FLIGHT INSTRUCTOR (CFI) TO ATTAIN REMEDIAL ACTION AFTER CONTROL OF THE AIRPLANE WAS LOST FOR AN UNKNOWN REASON.

Event Information

Type of Event Accident
Event Date 1/17/1991
Event Day of the Week Thursday
Time of Event 1715
Event Time Zone Eastern Standard Time
Event City BROOKLINE
Event State NEW HAMPSHIRE
Event Country --
Zipcode of the event site 03033
Event Date Year 1991
Event Date Month 1
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 1745 Eastern Standard Time
Direction of event from weather observation facility (degrees) 105
Weather Observation Facility ID ASH
Elevation of weather observation facility 200
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation EST
Lighting Conditions Dusk
Lowest Ceiling Height 40000
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) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 280
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 469
NTSB Notification Source --
NTSB Notification Date Jan 18 1991 12:00AM
NTSB Notification Time 416
Fiche Number and/or location -used to find docket information 45220
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N804DW
NTSB Number NYC91FA060
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 MOONEY
Aircraft Model M20J
Aircraft Series Identifier M20J
Aircraft Serial Number 24-1702-14
Certified Max Gross Weight 2740
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
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 DANIEL WEBSTER COLLEGE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 20 UNIVERSITY DRIVE
Operator City NASHUA
Operator State NH
Operator Country
Operator Zip code 03063
Operator Code LT8S
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code ASH
Departure City NASHUA
Departure State NH
Departure Country
Departure Time 1645
Departure Time Zone EST
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --