Stapleton Intn't Airport
Aircraft Accident/Incident Report

Denver, Colorado 80010
Saturday, August 10, 1985 19:47 MDT

NTSB Narrative Summary Released at Completion of Accident

PILOT IN COMMAND STATED THAT HE WAITED APRX 90 SECONDS AFTER A B-727 DEPARTED ON RWY 8R DUE TO POSSIBLE WAKE TURBULENCE. PLT CONTINUED TO STATE THAT HE USED A SHORT FIELD TAKEOFF PROCEDURE TO CLIMB ABOVE THE FLT PATH OF THE B-727. HE STATED THAT DURING CLIMBOUT N3643R BEGAN AN UNCOMMANDED ROLL TO THE LEFT AT APRX 600 FEET. THE PLT REGAINED ROLL CONTROL JUST PIROR TO GROUND IMPACT. THE PIPER AEROSTAR IS CERTIFICATED WITHOUT A STALL WARNING DEVICE. THE WIND AT STAPLETON ARPT AT THE TIME N3643R TOOKOFF WAS 170 DEGREES AT 20 KTS WITH GUSTS TO 28 KTS. ACCORDING TO THE PLT OPERATING HANDBOOK, THE DEMONSTRATED CROSSWIND COMPONENT IS 15 KNTS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/10/1985
Event Day of the Week Saturday
Time of Event 1947
Event Time Zone Mountain Daylight Time
Event City DENVER
Event State COLORADO
Event Country --
Zipcode of the event site 80010
Event Date Year 1985
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport STAPLETON INTN'T
Event Location Nearest Airport ID DEN
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 5333
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1952 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID DEN
Elevation of weather observation facility 5333
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
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) 50
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Unknown
Wind Speed (knots) 20
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 28
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 7606
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 3
Injury Total None --
Injury Total Serious 1
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 2530
NTSB Notification Source --
NTSB Notification Date Aug 10 1985 12:00AM
NTSB Notification Time 2015
Fiche Number and/or location -used to find docket information 30261
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3643R
NTSB Number DEN85FA214
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-60-600
Aircraft Series Identifier PA-60-600
Aircraft Serial Number 600837816124
Certified Max Gross Weight 5500
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 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 1 1986 12:00AM
Airframe hours since last inspection 95
Airframe Hours 1040
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name OKLAHOMA JET INC.
Aircraft Owner Street Address P.O. BOX 32206
Aircraft Owner City OKLAHOMA CITY
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 73123
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 Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code DEN
Departure City
Departure State
Departure Country
Departure Time 1947
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code HO1
Destination City CHANDLER
Destination State OK
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 8R
Runway Length 10010
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --