Westchester Co Airport
Aircraft Accident/Incident Report

White Plains, New York 10604
Wednesday, March 12, 1986 18:52 EST

NTSB Narrative Summary Released at Completion of Accident

DURING THE FLIGHT THE PLT NOTED A FULL DISCHARGE ON THE AMMETER AND A OPEN ALTERNATOR CIRCUIT BREAKER AFTER ATC REPORTED LOSS OF TRANSPX SIGNAL. THE CIRCUIT BREAKER WOULD NOT RESET. THE LOW VOLTAGE LIGHT DID NOT COME ON. HE DIVERTED THE FLIGHT TO WHITE PLAINS AND REDUCED ELECTRICAL LOAD. DURING THE APCH, THE PLT LOWERED THE FLAPS AND GEAR ELECTRICALLY. HE DID NOT RECALL WHETHER THE GEAR DOWN LIGHTS CAME ON. UPON LANDING THE NOSE GEAR COLLAPSED. THE MAIN GEAR WAS FOUND IN THE GEAR BAY. EXAMINATION OF THE ACFT REVEALED 3 WIRES LOOSELY CONNECTED TO THE ALTERNATOR CIRCUIT BREAKER. THE TERMINALS OF THE CIRCUIT BREAKER WERE DISCOLORED FROM SILVER TO BLUE. APPROX 1-1/2 TURNS OF THE SCREWS WERE REQUIRED TO SNUG THE WIRES TO TERMINAL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 3/12/1986
Event Day of the Week Wednesday
Time of Event 1852
Event Time Zone Eastern Standard Time
Event City WHITE PLAINS
Event State NEW YORK
Event Country --
Zipcode of the event site 10604
Event Date Year 1986
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WESTCHESTER CO
Event Location Nearest Airport ID HPN
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 439
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1849 Eastern Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID HPN
Elevation of weather observation facility 439
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EST
Lighting Conditions Night/Dark
Lowest Ceiling Height 600
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling Broken
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) 3
Dew Point at event time (in degress fahrenheit) -1
Wind Direction (degrees magnetic) 30
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Light
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) 211
NTSB Notification Source --
NTSB Notification Date Mar 12 1986 12:00AM
NTSB Notification Time 1915
Fiche Number and/or location -used to find docket information 30300
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5217C
NTSB Number NYC86LA083
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 T210N
Aircraft Series Identifier T210N
Aircraft Serial Number 21063719
Certified Max Gross Weight 4000
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 20 1985 12:00AM
Airframe hours since last inspection 36
Airframe Hours 1190
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DELBRIDGE COMPUTING SYSTEM INC
Aircraft Owner Street Address 145 NORTH PLAINS
Aircraft Owner City WALLINGFORD
Aircraft Owner State CT
Aircraft Owner Country
Aircraft Owner Zipcode 06492
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) Business
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code DXR
Departure City RICHMOND
Departure State VA
Departure Country
Departure Time 1650
Departure Time Zone EST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
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 11
Runway Length 4451
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --