Aircraft Accident/Incident Report

Chicago, Illinois 60637
Friday, April 25, 1986 9:06 CST

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT HAD JUST DISCHARGED TWO PASSENGERS ON THE ROOFTOP HELIPAD AND WAS PREPARING FOR DEPARTURE. THE AIRCRAFT WAS PICKED UP TO A HOVER AND THE TAILROTOR STRUCK A HELIPORT SURFACE PERIMETER LIGHT. THE TAILROTOR SEPARATED FROM THE AIRCRAFT AND THE AIRCRAFT ROTATED TO THE RIGHT. THROTTLES WERE REDUCED TO STOP THE ROTATION AND THE AIRCRAFT SETTLED BACK DOWN TO THE HELIPAD. THE AIRCRAFT BOUNCED SIDE TO SIDE AND ROLLED OFF THE HELIPAD AND CAME TO REST ON ITS LEFT SIDE. THE PILOT EXITED AND EXTINGUISHED A SMALL FIRE THAT HAD STARTED NEAR THE ENGINE EXHAUST.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/25/1986
Event Day of the Week Friday
Time of Event 906
Event Time Zone Central Standard Time
Event City CHICAGO
Event State ILLINOIS
Event Country --
Zipcode of the event site 60637
Event Date Year 1986
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID RLA
Indicates whether the acc/inc occurred off or on an airport Unknown
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 850 Central Standard Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID MDW
Elevation of weather observation facility 619
Distance of event from weather observation facility (units?) 2
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 15000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 8
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 5
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 Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2425
NTSB Notification Source --
NTSB Notification Date Apr 25 1986 12:00AM
NTSB Notification Time 930
Fiche Number and/or location -used to find docket information 33115
Date of most recent change to record Dec 13 2000 3:38PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N660DD
NTSB Number CHI86FA129
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 222B
Aircraft Series Identifier 222B
Aircraft Serial Number 47132
Certified Max Gross Weight 8250
Aircraft Category Helicopter
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 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection --
Airframe hours since last inspection 12
Airframe Hours 614
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DD66 CORP
Aircraft Owner Street Address 845 LARCH AVE
Aircraft Owner City ELHURST
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60126
Operator is an individual? --
Operator Name OMNIFLIGHT
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 5300 W. 63RD ST.
Operator City CHICAGO
Operator State IL
Operator Country
Operator Zip code 60638
Operator Code 13GL
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) Executive/Corporate
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code RLA
Departure City SOLON MILLS
Departure State IL
Departure Country
Departure Time 840
Departure Time Zone CST
Destination Same as Local Flt crash at destination city
Destination Airport Code RLA
Destination City CHICAGO
Destination State IL
Destination Country
Specific Phase of Flight Hover
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 --