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This paper determines the number of in-flight icing accidents and incidents, which can be attributed to tailplane icing. The paper also shows that pneumatic de-icing boots suffer from significant numbers of in-flight failures and poor levels of unscheduled maintenance. The possibility of retrofitting an improved ice protection system to the tailplane of a generic turboprop powered commuter aircraft is then investigated. A range of alternative ice protection systems are evaluated and the effects of retrofitting an Electro-Expulsive De-Icing System (EEDS) are evaluated in terms of changes to aircraft performance, variable direct operating and delay costs.