Shelby County Airport
Aircraft Accident/Incident Report

Alabaster, Alabama 35007
Tuesady, November 23, 1982 10:30 CST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT SHORTLY AFTER TAKEOFF, HE NOTICED THE RPM'S BEGAN FALLING. HE STATED THAT HE INCREASED THE THROTTLE AND LOWERED THE COLLECTIVE, BUT THE RPM'S CONTINUED TO DECREASE UNTIL THE LOW RPM WARNING HORN CAME ON. AN AUTOROTATIVE LANDING WAS MADE. DURING TOUCHDOWN, WHILE THE HELICOPTER STILL HAD FORWARD SPEED, THE SKIDS DUG INTO THE GROUND AND THE TAIL MOVED UP INTO THE PATH OF THE MAIN ROTOR BLADES. THE HELICOPTER THEN TURNED AND CAME TO REST ON ITS SIDE. AN EXAMINATION REVEALED THE AIR-FILTER CARTRIDGE WAS COVERED WITH OIL, DIRT AND OTHER CONTAMINENTS; THE 4 V-DRIVE BELTS WERE FROM DIFFERENT MANUFACTURERS AND WERE OF DIFFERENT LENGTHS; THE ENGINE DRIVE ACTUATOR (PULLEY) VALLEYS WERE DEEPLY GROOVED AND WORN, THE EXHAUST MUFFLER HAD PIECES OF THE FLARE TUBE FLOATING LOOSE INSIDE THE MUFFLER. DURING A TEST RUN, THE ENGINE OPERATED NORMALLY. A TEARDOWN OF THE TRANSMISSION REVEALED NO PREIMPACT FAILURES.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/23/1982
Event Day of the Week Tuesday
Time of Event 1030
Event Time Zone Central Standard Time
Event City ALABASTER
Event State ALABAMA
Event Country --
Zipcode of the event site 35007
Event Date Year 1982
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport SHELBY COUNTY
Event Location Nearest Airport ID
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 1500
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
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) 68
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 3386
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N90218
NTSB Number ATL83FA044
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name ROBINSON
Aircraft Model R-22
Aircraft Series Identifier R-22
Aircraft Serial Number 0034
Certified Max Gross Weight 2350
Aircraft Category Helicopter
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 83
Airframe Hours 460
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LARRY COTTINGHAM
Aircraft Owner Street Address 3600 SHARON LANE
Aircraft Owner City HUEYTOWN
Aircraft Owner State AL
Aircraft Owner Country
Aircraft Owner Zipcode 35023
Operator is an individual? --
Operator Name LARRY COTTINGHAM
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 3600 SHARON LANE
Operator City HUEYTOWN
Operator State AL
Operator Country
Operator Zip code 35023
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) Business
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City ALABASTER
Departure State AL
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code C
Destination City HUEYTOWN
Destination State AL
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
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 --