West Palm Beach Int'l Airport
Aircraft Accident/Incident Report

West Palm Beach, Florida 33406
Friday, February 10, 1984 11:50 EST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT EXPERIENCED AN ELEVATOR TRIM LOSS, ENCOUNTERED EXTREME 'SHAKING AND VIBRATION' OF CONTROL COLUMN AND TAIL SECTION FLUTTERING WHILE ON DESCENT TO PALM BEACH INT'L ARPT. INVESTIGATION REVEALED THAT THE END OF THE ACTUATOR SHAFT FAILED AT A RIVET HOLE ALLOWING THE ACTUATOR TO DISCONNECT FROM THE TRIM TAB SHAFT ASSEMBLY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 2/10/1984
Event Day of the Week Friday
Time of Event 1150
Event Time Zone Eastern Standard Time
Event City WEST PALM BEACH
Event State FLORIDA
Event Country --
Zipcode of the event site 33406
Event Date Year 1984
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WEST PALM BEACH INT'L
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1150 Eastern Standard Time
Direction of event from weather observation facility (degrees) 160
Weather Observation Facility ID PBI
Elevation of weather observation facility 27
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 2500
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) 7
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 22
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 14
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5012
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 24104
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 N2969
NTSB Number MIA84IA077
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model G-73
Aircraft Series Identifier G-73
Aircraft Serial Number J27
Certified Max Gross Weight 14000
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 19
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Feb 7 1984 12:00AM
Airframe hours since last inspection 259
Airframe Hours 10639
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CHALKS INTERNATIONAL AIRLINE
Aircraft Owner Street Address 837 CITY NATIONAL BANK BLDG
Aircraft Owner City MIAMI
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name CHALKS INTERNATIONAL AIRLINE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address MAC ARTHUR CAUSEWAY
Operator City MIAMI
Operator State FL
Operator Country
Operator Zip code 33132
Operator Code CICA
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 Scheduled
Indicates Domestic or International Flight International
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code NAS
Departure City NASSAU
Departure State OF
Departure Country
Departure Time 1045
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code PBI
Destination City PALM BEACH
Destination State FL
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --