Aircraft Accident/Incident Report

Merrillville, Indiana 46410
Tuesady, December 30, 1986 2:54 EST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT WAS ENROUTE TO THE CHICAGO MIDWAY ARPT. WHILE LETTING DOWN TO 16000 FT THE PILOT REPORTED HE WAS SHUTTING DOWN THE RIGHT ENG. ARTCC CLEARED THE ACFT TO 5000 FT. TEN MINUTES LATER ARTCC LOST RADIO TRANSPONDER AND MODE C CONTACT. 15 MINUTES LATER THE ACFT DESCENDED OUT OF THE 1800 FT OVERCAST AND STRUCK A 170 FT UTILITY TOWER AT THE 150 FT LEVEL. THE ACFT THEN GROUND IMPACTED AND BURNED. INVESTIGATION REVEALED THAT THE RT ENGINE HAD A BEARING FAILURE DUE TO LACK OF LUBRICATION.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/30/1986
Event Day of the Week Tuesday
Time of Event 254
Event Time Zone Eastern Standard Time
Event City MERRILLVILLE
Event State INDIANA
Event Country --
Zipcode of the event site 46410
Event Date Year 1986
Event Date Month 12
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 250 Central Standard Time
Direction of event from weather observation facility (degrees) 340
Weather Observation Facility ID MDW
Elevation of weather observation facility 619
Distance of event from weather observation facility (units?) 28
Time Zone of the weather observation CST
Lighting Conditions Night/Dark
Lowest Ceiling Height 1100
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) 7
Air Temperature at event time (in degrees celsius) -1
Dew Point at event time (in degress fahrenheit) -3
Wind Direction (degrees magnetic) 330
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 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 NTSB
NTSB Docket Number (internal use) 2755
NTSB Notification Source --
NTSB Notification Date Dec 30 1986 12:00AM
NTSB Notification Time 335
Fiche Number and/or location -used to find docket information 35485
Date of most recent change to record Dec 13 2000 5:30PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N74NL
NTSB Number CHI87FA058
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-31T
Aircraft Series Identifier PA-31T
Aircraft Serial Number 7720010
Certified Max Gross Weight 9000
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 2
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 7 1986 12:00AM
Airframe hours since last inspection 31
Airframe Hours 6888
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WRIGHT INT'L EXPRESS INC.
Aircraft Owner Street Address P.O. BOX 26174
Aircraft Owner City CINCINNATI
Aircraft Owner State OH
Aircraft Owner Country
Aircraft Owner Zipcode 45226
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 Yes - certificate holder
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SDF
Departure City LOUISVILLE
Departure State KY
Departure Country
Departure Time 140
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code MDW
Destination City CHICAGO
Destination State IL
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --