A study on helicopter main gearbox planetary bearing fault diagnosis - ScienceDirect
Investigators Recommend Main Gearbox Changes in Wake of 2009 Super Puma Fatal Accident | Business Aviation News: Aviation International News
Gearbox of 'copter which killed 13 men broken after falling from lorry before crash - Daily Record
Eurocopter AS332 Super Puma - Wikiwand
Eurocopter's EC225 Super Puma fleet for offshore operations grounded by main gearbox defects - The Aviationist
Gearbox fault grounds helicopters | BelfastTelegraph.co.uk
Super Puma Second Stage Planet Gear Background - Aerossurance
Norway H225 crash report recommends changes to Super Puma type design - Vertical Mag
Super Puma helicopter downed by same fault that brought down another chopper just months ago - Daily Record
Super Puma Grounded - Defense Update:
ACCIDENT Aircraft Type and Registration: Eurocopter AS332L2 Super Puma, G-REDL No & Type of Engines: 2 Turbomeca Makila 1A
Unexpected - Flight Safety Foundation
Main Gearbox Remains Helicopters' Achilles Heel | Business Aviation News: Aviation International News
European safety officials widen Super Puma grounding - BBC News
Super Puma Second Stage Planet Gear Background - Aerossurance
Repairs may have led to helicopter crash'
AIBN: Main gearbox fatigue fracture 'likely cause' of Norway H225 crash - Vertical Mag
Probe to focus on Super Puma crash links | Upstream Online
Ditched North Sea Helicopter Had Gearbox Fault | UK News | Sky News
Fatal North Sea Crash: Gearbox Fault Missed | UK News | Sky News
Super Puma was declared fit for flying on eve of fatal crash into North Sea
AIBN: Main gearbox fatigue fracture 'likely cause' of Norway H225 crash - Vertical Mag
Twitter 上的Air Disasters："#OTD in 2009, Bond Offshore Helicopters Eurocopter AS332 Super Puma (G-REDL) crashed in the North Sea near Peterhead, Scotland after the main rotor separated following a catastrophic gearbox failure.
Super Puma Down – I | Isambard's Lad
Unexpected - Flight Safety Foundation
