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| The Piper Super Cub, a vintage aircraft now exempt from certain CAA regulations. Photo: Wikipedia |
[Avionics Today 10-24-2014] The U.K.’s Civil Aviation Authority (CAA) has announced that it will scrap the need for U.K. regulatory validation for airworthiness design changes, originally approved overseas, to a range of UK-registered aircraft types.
Owners and operators of Annex 2 aircraft, such as ex-military and vintage types eligible for a Certificate of Airworthiness (CofA), can now install any minor modification or change supported by a Supplemental Type Certificate (STC) that was approved by a state with which the U.K. holds a bilateral agreement — such as the U.S. or Canada — without further CAA involvement. 

The CAA said the change will eliminate the cost and time involved in validating and approving paperwork. The owner and operator can simply arrange for installation of the modification as per the approval and then get their maintenance organization to certify its installation in the aircraft’s logbook. The change affects non-EASA aircraft, operating on a National Certificate of Airworthiness, such as Piper Super Cubs.