Aircraft Accident/Incident Report

Brandywine, Maryland 20613
Thursday, July 14, 1983 14:15 EDT

NTSB Narrative Summary Released at Completion of Accident

IN LEVEL CRUISE FLT THE PLT EXPERIENCED A SEVERE VIBRATION FOLLOWED BY UNCONTROLLABLE ROTATION TO THE RIGHT. THE PLT WASUNABLE TO REGAIN DIRECTIONAL CONTROL & CRASHED INTO TREES. INVESTIGATION REVEALED THAT THE REAR T/R DRIVE COUPLING, PN28-13609, HAD FAILED FROM EXCESSIVE WEAR DUE TO INADEQUATE LUBRICATION. SERVICE BULLETIN 0065, DATED 8/19/83, WAS ISSUED DIRECTING INSPECTION OF THE COUPLING BEFORE THE NEXT FLT. AD83-18-04, AMENDMENT 39-4721, WAS ALSO ISSUED TO PRECLUDE FURTHER FAILURES.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/14/1983
Event Day of the Week Thursday
Time of Event 1415
Event Time Zone Eastern Daylight Time
Event City BRANDYWINE
Event State MARYLAND
Event Country --
Zipcode of the event site 20613
Event Date Year 1983
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 6
Degrees magnetic from airport 130
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2428
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22748
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 N582H
NTSB Number ATL83LA275
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 ENSTROM
Aircraft Model F28C
Aircraft Series Identifier F28C
Aircraft Serial Number 363
Certified Max Gross Weight 2350
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 28 1983 12:00AM
Airframe hours since last inspection --
Airframe Hours 1256
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name KEN DIXON CHEVROLET BUICK INC.
Aircraft Owner Street Address P.O. BOX 98
Aircraft Owner City WALDORF
Aircraft Owner State MD
Aircraft Owner Country
Aircraft Owner Zipcode 20601
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City WALDORF
Departure State MD
Departure Country
Departure Time 1400
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code W32
Destination City CLINTON
Destination State MD
Destination Country
Specific Phase of Flight Landing
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --