Pontiac/Oakland Airport
Aircraft Accident/Incident Report

Pontiac, Michigan 48056
Wednesday, April 4, 1984 7:22 EST

NTSB Narrative Summary Released at Completion of Accident

DURING AN ILS APCH, THE ACFT COLLIDED WITH TREETOPS WHILE IT WAS SLIGHTLY LEFT OF THE APCH COURSE NEAR THE MIDDLE MARKER. THE PLT CONTINUED TO FLY THE ACFT TO THE RWY & THE PLANE TOUCHED DOWN ABOUT 1000 FT BEYOND THE THRESHOLD. AT TOUCHDOWN, THE ACFT VEERED TO THE RIGHT & SKIDDED TO A STOP BETWEEN THE RWY & A TAXIWAY. AN EXAM REVEALED THAT THE LEADING EDGES OF THE WINGS & THE RIGHT MAIN GEAR WERE DAMAGED DURING IMPACT WITH THE TREES. SCRAPE MARKS WERE FOUND ON THE TREAD OF THE RIGHT MAIN TIRE WHICH SHOWED THAT IT HAD SKIDDED ABOUT 90 DEG TO THE PLANE OF ROTATION AS IF IT HAD BEEN COCKED AT TOUCHDOWN. THE PLT STATED THAT SHE WAS CHASING THE NEEDLE DEFLECTION WHILE ON THE ILS APCH & WAS NOT PROPERLY OBSERVING THE ALTIMETER WHEN THE ACFT HIT THE TREES. THE DECISION HEIGHT FOR THE ILS APCH WAS 1180 FT MSL. THE ARPT ELEVATION WAS 980 FT MSL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/4/1984
Event Day of the Week Wednesday
Time of Event 722
Event Time Zone Eastern Standard Time
Event City PONTIAC
Event State MICHIGAN
Event Country --
Zipcode of the event site 48056
Event Date Year 1984
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PONTIAC/OAKLAND
Event Location Nearest Airport ID PTK
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 980
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 722 Eastern Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID PTK
Elevation of weather observation facility 980
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 100
Lowest Non-Ceiling Height 100
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Obscured
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 140
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 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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 834
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 24551
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3645T
NTSB Number CHI84FA148
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 PIPER
Aircraft Model AEROSTAR 600
Aircraft Series Identifier AEROSTAR 6
Aircraft Serial Number 600852816124
Certified Max Gross Weight 6600
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 Mar 7 1984 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name PDQ AIR SERVICES, INC.
Aircraft Owner Street Address 6150 HIGHLAND
Aircraft Owner City PONTIAC
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 48056
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Ferry
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code CMH
Departure City COLUMBUS
Departure State OH
Departure Country
Departure Time 645
Departure Time Zone EST
Destination Same as Local Flt crash at destination city
Destination Airport Code PTK
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
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 9R
Runway Length 6200
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --