AIBN: Main gearbox fatigue fracture 'likely cause' of Norway H225 crash - Vertical Mag
PDF] A study on helicopter main gearbox planetary bearing fault diagnosis | Semantic Scholar
Super Puma was declared fit for flying on eve of fatal crash into North Sea
Eurocopter AS332 Super Puma - Wikipedia
Main Gearbox Remains Helicopters' Achilles Heel | Business Aviation News: Aviation International News
Ditched North Sea Helicopter Had Gearbox Fault | UK News | Sky News
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.
Eurocopter's EC225 Super Puma fleet for offshore operations grounded by main gearbox defects - The Aviationist
Norway H225 crash report recommends changes to Super Puma type design - Vertical Mag
Unexpected - Flight Safety Foundation
Unexpected - Flight Safety Foundation
CHC Helikopter Service Flight 241 - Wikipedia
Initial North Sea Ditch Investigation IDs Faulty Gear Box
Gearbox failure caused Super Puma helicopter to ditch in the North Sea | The Scotsman
Catastrophic' gearbox failure caused North Sea helicopter crash which killed 16 | London Evening Standard | Evening Standard
Probe to focus on Super Puma crash links | Upstream Online
Eurocopter EC225 Super Puma - Wikipedia
Gearbox of 'copter which killed 13 men broken after falling from lorry before crash - Daily Record
Super Puma Second Stage Planet Gear Background - Aerossurance