Rio Grande Valley Int. Airport
Aircraft Accident/Incident Report

Harlingen, Texas 78551
Saturday, December 19, 1987 10:33 CST

NTSB Narrative Summary Released at Completion of Accident

THE SET OF FLOATS WHICH ALLOWS A HIGH FUEL FLOW IN THIS CARBURETOR FOR HIGH POWER SETTINGS USED FOR TAKEOFF, CLIMB, ETC., HAD CRACKED AND SWOLLEN TO SUCH AN EXTENT THAT THEY WERE RUBBING AGAINST THE FLOAT CHAMBER WALLS AND FLOAT CHAMBER SHROUD TUBES. THIS INTERFERENCE PREVENTED ADEQUATE FUEL FLOW FOR HIGH POWER OPERATION OF THE ENGINE DURING THE TAKEOFF CLIMB WHICH TERMINATED IN THE ACCIDENT. THERE WERE NO ENTRIES IN THE MAINTENANCE LOGS WHICH INDICATED ANY MAINTENANCE OR INTERNAL EXAMINATION OF THE CARBURETOR SINCE THE AIRCRAFT WAS NEW (1959).

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/19/1987
Event Day of the Week Saturday
Time of Event 1033
Event Time Zone Central Standard Time
Event City HARLINGEN
Event State TEXAS
Event Country --
Zipcode of the event site 78551
Event Date Year 1987
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RIO GRANDE VALLEY INT.
Event Location Nearest Airport ID HRL
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 2
Degrees magnetic from airport 150
Airport Elevation 35
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1636 Central Standard Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID HRL
Elevation of weather observation facility 35
Distance of event from weather observation facility (units?) 2
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 2000
Lowest Non-Ceiling Height 1200
Sky/Lowest/Cloud Conditions Scattered
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) 24
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Unknown
Wind Speed (knots) 25
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 38
Altimeter Setting at event time (in. Hg) 29
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 2051
NTSB Notification Source --
NTSB Notification Date Dec 19 1987 12:00AM
NTSB Notification Time 1144
Fiche Number and/or location -used to find docket information 35613
Date of most recent change to record Dec 13 2000 3:03PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8575
NTSB Number FTW88DRG04
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name MBB
Aircraft Model 109
Aircraft Series Identifier 109
Aircraft Serial Number 208
Certified Max Gross Weight 1350
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 1
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Sep 24 1987 12:00AM
Airframe hours since last inspection 11
Airframe Hours 172
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CONFEDERATE AIR FORCE
Aircraft Owner Street Address BOX CAF
Aircraft Owner City HARLINGEN
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 78551
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 HRL
Departure City
Departure State
Departure Country
Departure Time 1033
Departure Time Zone CST
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 13
Runway Length 5950
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --