Aircraft Accident/Incident Report

West Palm Beach, Florida 33410
Saturday, May 9, 1998 9:43 EDT

NTSB Narrative Summary Released at Completion of Accident

While circling at 600 feet agl, awaiting an IFR clearance, the engine sputtered once and continued to run. After receiving the IFR clearance the dual student added power to climb to the assigned altitude and the engine sputtered and lost power. The flight instructor took control and a forced landing was made in a field. After the accident, uncontaminated fuel was found in the airframe and engine fuel systems. The engine was started and operated to full power with no signs of mechanical failure or malfunction. The carburetor icing system operated normally. Icing probability curves showed the aircraft was operating in conditions conducive to serious carburetor icing at glide power and visible carburetor icing at glide and cruise power.

NTSB Probable Cause Narrative

the dual student's failure to use carburetor heat while circling at a reduced power setting, and the flight instructor's failure to properly supervise the student.

Event Information

Type of Event Accident
Event Date 5/9/1998
Event Day of the Week Saturday
Time of Event 943
Event Time Zone Eastern Daylight Time
Event City WEST PALM BEACH
Event State FLORIDA
Event Country --
Zipcode of the event site 33410
Event Date Year 1998
Event Date Month 5
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 945 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 130
Weather Observation Facility ID PBI
Elevation of weather observation facility 19
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 1400
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) 10
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 22
Wind Direction (degrees magnetic) 290
Variable Wind Indicator Unknown
Wind Speed (knots) 11
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1600
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) 183
NTSB Notification Source --
NTSB Notification Date May 9 1998 12:00AM
NTSB Notification Time 1030
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 11:22AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N733LW
NTSB Number MIA98LA153
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 172N
Aircraft Series Identifier 172N
Aircraft Serial Number 17268384
Certified Max Gross Weight 2300
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 Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 10 1998 12:00AM
Airframe hours since last inspection 34
Airframe Hours 5790
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JOHN VAN SICKLE
Aircraft Owner Street Address 4082 CHESTNUT AVENUE
Aircraft Owner City PALM BCH. GARD.
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 33410
Operator is an individual? --
Operator Name SUNQUEST AVIATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 17611 123RD TERRACE NORTH
Operator City JUPITER
Operator State FL
Operator Country
Operator Zip code 33478
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code F45
Departure City
Departure State FL
Departure Country
Departure Time 930
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code EYW
Destination City KEY WEST
Destination State FL
Destination Country
Specific Phase of Flight Maneuvering
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 --