Winchester Co. Airport
Aircraft Accident/Incident Report

White Plains, New York 10604
Monday, December 7, 1987 17:25 EST

NTSB Narrative Summary Released at Completion of Accident

THE CROSS COUNTRY BUSINESS FLIGHT WAS UNEVENTFUL FROM CONCORD, NEW HAMPSHIRE TO WHITE PLAINS, NEW YORK UNDER CLEAR SKY. DURING FINAL APPROACH, THE PILOT EXTENDED THE GEAR BUT DID NOT NOTICE THAT THE CIRCUIT BREAKER HAD OPENED AND THE GEAR WAS NOT LOWERED. THE AIRCRAFT LANDED GEAR UP AND THE GEAR DOORS PARTIALLY OPEN. THE GEAR WARNING HORN DID NOT OPERATE. THE PLT STATED THAT HE FAILED TO CHECK FOR 3 GREEN LIGHTS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/7/1987
Event Day of the Week Monday
Time of Event 1725
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 1987
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WINCHESTER 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 Unknown
Investigator's weather source Unknown
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 Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 20000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 5
Dew Point at event time (in degress fahrenheit) -7
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 10
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 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) 2585
NTSB Notification Source --
NTSB Notification Date Dec 8 1987 12:00AM
NTSB Notification Time 1640
Fiche Number and/or location -used to find docket information 37449
Date of most recent change to record Dec 13 2000 3:04PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N866Q
NTSB Number NYC88LA055
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 MITSUBISHI
Aircraft Model MU-2B-20
Aircraft Series Identifier MU-2B-20
Aircraft Serial Number MU-2B-20
Certified Max Gross Weight 8930
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 9
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 7 1987 12:00AM
Airframe hours since last inspection 71
Airframe Hours 5526
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name RRH, INC.
Aircraft Owner Street Address RR2, BOX 294
Aircraft Owner City CONCORD
Aircraft Owner State NH
Aircraft Owner Country
Aircraft Owner Zipcode 03301
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 No
Departure Point Same as Event No
Departure Airport Code CON
Departure City CONCORD
Departure State NH
Departure Country
Departure Time 1630
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 34
Runway Length 6550
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --