Westmoreland Co. Airport
Aircraft Accident/Incident Report

Oak Grove, Pennsylvania 15923
Wednesday, November 2, 1988 10:13 EST

NTSB Narrative Summary Released at Completion of Accident

ACFT ENTERED AN AREA OF FCST MOD ICING. ICE DETECTION SYS HAD BEEN INTRMTLY INOP. THE ACFT ENTERED HOLDING IN ICING CONDWHILE CKG FLT INSP EQUIP. EVIDENCE INDICATED CREW NOTED ICE ACCRETION, ACTIVATED SURFACE DE-ICE SYS, ICE BROKE LOOSE ANDENTERED ENG INTAKES. BOTH ENGS FLAMED OUT. DRG EMERG DESCENT CREW INIT RE-STARTS, BUT NEITHER ENG WOULD SUSTAIN PWR. CREW RQSTD VECTORS TO MORE DISTANT AIRPORT. BOTH PLTS WERE SEEN DRINKING PREV NIGHT. C/P HAD RECENTLY LOST DRIVERS LICENSE FOR DUI. CAPT HAD DECIDED TO RETIRE THAT DAY. C/P HAD WORKED IN FLT OPS 3 DAYS IN 8 WKS AND HAD LMTD TRNG IN FLTINSPECTION. BOTH PLTS HAD PERSONAL STRESSES WHICH MAY HAVE INFLUENCED PERFORMANCE. CAPT'S CONTAMINATED THORACIC BLOOD REVEALED 0.057% ALCOHOL. PUTRIFICATION WOULD ACCT FOR PART OF ALCOHOL LEVEL. C/P HAD TRACE ALCOHOL IN URINE ONLY. BOTH ENGS SHOWED COMPRESSOR FOD CONSISTENT WITH ICE INGESTION. NO OTHER ACFT SYS OR ENG MALFUNCTION FOUND.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT IN COMMAND TO OBSERVE THE RAPID ACCRETION OF ICE ON THE AIRPLANE DUE TO HIS ATTENTION BEING DIVERTED.

Event Information

Type of Event Accident
Event Date 11/2/1988
Event Day of the Week Wednesday
Time of Event 1013
Event Time Zone Eastern Standard Time
Event City OAK GROVE
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 15923
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 WESTMORELAND CO.
Event Location Nearest Airport ID LBE
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 7
Degrees magnetic from airport 68
Airport Elevation 1185
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1012 Eastern Standard Time
Direction of event from weather observation facility (degrees) 68
Weather Observation Facility ID LBE
Elevation of weather observation facility 1185
Distance of event from weather observation facility (units?) 7
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 800
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) 6
Air Temperature at event time (in degrees celsius) 4
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 250
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) 29
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 1059
NTSB Notification Source --
NTSB Notification Date Nov 3 1988 12:00AM
NTSB Notification Time 1050
Fiche Number and/or location -used to find docket information 36935
Date of most recent change to record Dec 13 2000 12:18PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N44
NTSB Number MIA89MA023
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name ROCKWELL
Aircraft Model 1121A
Aircraft Series Identifier 1121A
Aircraft Serial Number 130
Certified Max Gross Weight 18500
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 3
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Sep 26 1988 12:00AM
Airframe hours since last inspection 121
Airframe Hours 10519
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name FEDERAL AVIATION ADMIN.
Aircraft Owner Street Address 800 INDEPENDENCE AVE. SW
Aircraft Owner City WASHINGTON
Aircraft Owner State DC
Aircraft Owner Country
Aircraft Owner Zipcode 20591
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) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code AGC
Departure City PITTSBURGH
Departure State PA
Departure Country
Departure Time 942
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code LBE
Destination City LATROBE
Destination State PA
Destination Country
Specific Phase of Flight Cruise
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 23
Runway Length 5501
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --