Sanderson Field Airport
Aircraft Accident/Incident Report

Greenland, New Hampshire 03840
Thursday, July 21, 1988 16:45 EDT

NTSB Narrative Summary Released at Completion of Accident

THE INTENTION OF THE FLIGHT WAS TO GIVE PEOPLE AT AN ANNUAL COMPANY PICNIC A RIDE IN THE AIRCRAFT. AFTER TAKEOFF AND WHILE STARTING A LEFT TURN THE PILOT STATED THAT HE ENCOUNTERED A 'SUDDEN WINDSHEAR/DOWNDRAFT.' THE AIRCRAFT NEVER GOT ABOVE 200 FEET AND COLLIDED WITH A TREE DURING THE RECOVERY. THE PILOT INDICATED THAT THE WINDS WERE GUSTING TO 25 KNOTS AND THAT THE AIRCRAFT GOT INTO A 'STALL CONDITION DURING THE TURN TO DOWNWIND'.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/21/1988
Event Day of the Week Thursday
Time of Event 1645
Event Time Zone Eastern Daylight Time
Event City GREENLAND
Event State NEW HAMPSHIRE
Event Country --
Zipcode of the event site 03840
Event Date Year 1988
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SANDERSON FIELD
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 0
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 1300
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) 4
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 25
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1879
NTSB Notification Source --
NTSB Notification Date Jul 21 1988 12:00AM
NTSB Notification Time 1700
Fiche Number and/or location -used to find docket information 38126
Date of most recent change to record Dec 13 2000 11:57AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N20973
NTSB Number NYC88LA190
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 WACO
Aircraft Model UPF-7
Aircraft Series Identifier UPF-7
Aircraft Serial Number 5319
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 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Nov 9 1987 12:00AM
Airframe hours since last inspection 71
Airframe Hours 3271
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name AL & AUDREY SPECKMAN
Aircraft Owner Street Address 150 GARLAND RD.
Aircraft Owner City RYE
Aircraft Owner State NH
Aircraft Owner Country
Aircraft Owner Zipcode 03870
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 34 LAFAYETTE STREET
Operator City MANCHESTER
Operator State NH
Operator Country
Operator Zip code 03102
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
Departure City GREENLAND
Departure State NH
Departure Country
Departure Time 1645
Departure Time Zone EDT
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 Takeoff
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 9
Runway Length 2700
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --