Dulles Intl Airport
Aircraft Accident/Incident Report

Washington, District Of Columbia 20041
Wednesday, November 30, 1988 15:00 EST

NTSB Narrative Summary Released at Completion of Accident

THE PLT RPRTD HE WAS FLYING AN AUTOPILOT COUPLED ILS APCH WHEN THE YAW DAMPER & AUTOPILOT DISENGAGED. AFTER SOME DIFFICULTY, THE PLT WAS ABLE TO KEEP THE AUTOPILOT ENGAGED. HE SAID HE DISENGAGED THE AUTOPILOT ON FINAL APCH AT AN ALT OF APRX 250' AGL. HE LOWERED FULL FLAPS & SLOWED THE ACFT TO 107 KTS. THE PLT STATED THAT AFTER THE ACFT TOUCHED DOWN & TRAVELED APRX 1000', ITS NOSE BEGAN TO RISE & OSCILLATE. HE ABORTED THE LNDG, BUT HE WAS UNABLE TO GET AN UP & LOCKED INDICATION FOR THE NOSE GEAR, ALTHOUGH IT WOULD LOCK DOWN. AFTER MAKING A FLY-BY TO VERIFY THE GEAR POSITION, HE MADE A 'SLOW' LNDG. THE PLT RPRTD THAT ALTHOUGH A SLIGHT OSCILLATION WAS NOTED DRG THE LNDG, HE FORCEFULLY HELD THE NOSE DOWN AS HE SLOWED THE ACFT. TESTING & EVALUATION OF THE AUTOPILOT SYSTEM FAILED TO DISCLOSE ANY DISCREPANCY WHICH WOULD HAVE RESULTED IN THE OSCILLATIONS.

NTSB Probable Cause Narrative

PILOTS FAILURE TO MAINTAIN CONTROL OF THE AIRPLANE DURING A TOUCH AND GO LANDING.

Event Information

Type of Event Accident
Event Date 11/30/1988
Event Day of the Week Wednesday
Time of Event 1500
Event Time Zone Eastern Standard Time
Event City WASHINGTON
Event State DISTRICT OF COLUMBIA
Event Country --
Zipcode of the event site 20041
Event Date Year 1988
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DULLES INTL
Event Location Nearest Airport ID IAD
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 313
Weather Briefing Completeness Not pertinent
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2246
NTSB Notification Source --
NTSB Notification Date Dec 19 1988 12:00AM
NTSB Notification Time 1230
Fiche Number and/or location -used to find docket information 39992
Date of most recent change to record Dec 13 2000 12:17PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N263CM
NTSB Number BFO89LA013
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 SWEARINGEN
Aircraft Model SA-226T
Aircraft Series Identifier SA-226T
Aircraft Serial Number T223
Certified Max Gross Weight 12500
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 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection May 18 1988 12:00AM
Airframe hours since last inspection 25
Airframe Hours 4978
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JOHN T ROCCA
Aircraft Owner Street Address P.O. BOX 1880
Aircraft Owner City LEESBURG
Aircraft Owner State VA
Aircraft Owner Country
Aircraft Owner Zipcode 22075
Operator is an individual? --
Operator Name JOHN T. ROCCA
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 1880
Operator City LEESBURG
Operator State VA
Operator Country
Operator Zip code 22075
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 W83
Departure City ASHLAND
Departure State VA
Departure Country
Departure Time 141
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code W09
Destination City LEESBURG
Destination State VA
Destination Country
Specific Phase of Flight Landing
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 19L
Runway Length 11500
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --