A study on helicopter main gearbox planetary bearing fault diagnosis - ScienceDirect
Unexpected - Flight Safety Foundation
Eurocopter EC225 Super Puma - Wikipedia
Super Puma helicopter downed by same fault that brought down another chopper just months ago - Daily Record
Super Puma Second Stage Planet Gear Background - Aerossurance
Eurocopter EC225 Super Puma MkII - Aerospace Technology
Norway H225 crash report recommends changes to Super Puma type design - Vertical Mag
Crash helicopter's gearbox 'failed' | London Evening Standard | Evening Standard
EC225 LP Super Puma Helicopter May Have A Gearbox Shaft Problem
Lama/Alouette III Tail Rotor Gearbox - AeroXS
Plan to change gearbox on death helicopter was axed | UK | News | Express.co.uk
AS332 Super Puma Intermediate Gearbox
Unexpected - Flight Safety Foundation
Puerto Rico Super Puma Overhauled
Super Puma grounded as gearbox failure haunts the fleet again – GerryAirways
Ditched Super Puma helicopters had gearbox cracks | The Scotsman
Repairs may have led to helicopter crash'
Super Puma Second Stage Planet Gear Background - Aerossurance
Super Puma Second Stage Planet Gear Background - Aerossurance
Unexpected - Flight Safety Foundation
AS332 Super Puma Main Gearbox
Experts: Impossible To Determine If Aberdeen Super Puma Accident Was Preventable | Aero-News Network
Super Puma Down – I | Isambard's Lad
CHC grounds UK Super Pumas | Upstream Online
Report: Gearbox From Super Puma Accident In Norway Was Damaged In Road Accident | Aero-News Network
