Willis Gliderport Airport
Aircraft Accident/Incident Report

Boynton Beach, Florida 33437
Tuesady, June 17, 1986 11:30 EDT

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO WITNESSES, THE ACFT ENTERED A TURN SHORTLY AFTER TAKING OFF FROM A TOUCH-&-GO LANDING, THEN STALLED & BEGAN TO SPIN TO THE RIGHT. THE ACFT IMPACTED THE GROUND AT THE EDGE OF A CANAL, APRX 1000 FT FROM THE DEPT END OF THE RWY. ONE WITNESS STATED THAT THE ENG STOPPED ABRUPTLY BEFORE THE ACFT CRASHED. A POST CRASH EXAM OF THE ENG REVEALED LOW COMPRESSION IN ALL CYLINDERS DUE TO EXCESSIVELY WORN PISTONS; HOWEVER, THE REASON FOR THE POWER LOSS WAS NOT VERIFIED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/17/1986
Event Day of the Week Tuesday
Time of Event 1130
Event Time Zone Eastern Daylight Time
Event City BOYNTON BEACH
Event State FLORIDA
Event Country --
Zipcode of the event site 33437
Event Date Year 1986
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WILLIS GLIDERPORT
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 1158 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID PBI
Elevation of weather observation facility 19
Distance of event from weather observation facility (units?) 12
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 9000
Lowest Non-Ceiling Height 1800
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 9
Air Temperature at event time (in degrees celsius) 25
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 1100
Intensity of Precipitation Light
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) 1262
NTSB Notification Source --
NTSB Notification Date Jun 17 1986 12:00AM
NTSB Notification Time 1150
Fiche Number and/or location -used to find docket information 31656
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 N1318V
NTSB Number MIA86FA184
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 AERONCA
Aircraft Model 7CCM
Aircraft Series Identifier 7CCM
Aircraft Serial Number 7CCM-57
Certified Max Gross Weight 1300
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 12 1985 12:00AM
Airframe hours since last inspection 80
Airframe Hours 2538
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WILLIAM C. STALEY
Aircraft Owner Street Address 10276 DENOEU ROAD
Aircraft Owner City BOYNTON BEACH
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 33437
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1125
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 Descent
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --