Accident description
Last updated: 20 April 2014
Status:Final
Date:Friday 20 April 2007
Time:17:08
Type:Silhouette image of generic DH8C model; specific model in this crash may look slightly different
de Havilland Canada DHC-8-301
Operator:Bahamasair
Registration: C6-BFN
C/n / msn: 159
First flight: 1989
Total airframe hrs:29570
Cycles:52653
Engines: 2 Pratt & Whitney Canada PW123
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 48
Total:Fatalities: 0 / Occupants: 51
Airplane damage: Substantial
Airplane fate: Written off (damaged beyond repair)
Location:Governor's Harbour Airport (GHB) (   Bahamas) show on map
Phase: Landing (LDG)
Nature:Domestic Scheduled Passenger
Departure airport:Nassau-Lynden Pindling International Airport (NAS/MYNN), Bahamas
Destination airport:Governor's Harbour Airport (GHB/MYEM), Bahamas
Flightnumber: 353
Narrative:
A de Havilland Canada DHC-8-301 passenger plane, operating as Bahamsair flight UP-353, sustained substantial damage in a landing accident at Governor's Harbour Airport (GHB), Bahamas. There were no injuries among the 51 occupants.
The airplane landed on runway 15 at Governor's Harbour following a flight from Nassau. On touchdown the left hand main landing gear separated. The airplane skidded and came to rest on the runway.


Probable Cause:
Probable Cause has been determined as an over-center Torque Link condition that culminated in a single cycle failure of the cylinder. The over center torque links condition occur as a result of the over extension of the shock strut.

Possible Contributory factors to the over extension of the shock strut includes:
Possible Cause for Loss of Damping
- The failure to install the dampening ring when the landing gear was assembled.
- Improper servicing of the landing gear shock strut with Mil-H-5606 hydraulic fluid plus nitrogen during initial assembly.
- Improper servicing of landing gear shock strut during line maintenance and inadequate post servicing follow up per AMM Chapter 12. See attached report Appendix A-30 From Bombardier
- Under-serviced shock strut (low oil volume)
- A broken damper ring
- No damper ring
- Disengaged damper ring

Events:


Sources:
» Probe Continues Into Crash Landing In Eleuthera (The Bahama Journal, 10-5-2007)

Official accident investigation report
investigating agency: Flight Standards Inspectorate, Department of Civil Aviation - Bahamas
report status: Final
report number: A0723266
report released:03-SEP-2007
duration of investigation:136 days (4.5 months)
download report: Aircraft Accident Final Report Landing Gear Failure Bahamasair Holdings Limited De-Havilland DHC-8-301 C6-BFN S/N 159 Governor’s Harbour, Eleuthera, Bahamas April 20, 2007 (DCABah A0723266)
cover

Photos

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Nassau-Lynden Pindling International Airport to Governor's Harbour Airport as the crow flies is 117 km (73 miles).

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