Radio Equipment
Except when flying for the purpose of public transport (Schedule 5 of the UK Air Navigation Order refers) there is no mandatory requirement for the carriage of radio equipment outside Controlled Airspace. For further details you are advised to refer to GEN 1.5.
10. SSR operating procedures
General
In accordance with Article 20(2) and Schedule 5 of the Air Navigation Order 2005, the SSR transponder shall be operated within the airspace notified at paragraph GEN 1-5-3, paragraph 1.3.
In airspace where the operation of transponders is not mandatory pilots of suitably equipped aircraft should comply with the need for Conspicuity Codes – as listed below – except when remaining within an aerodrome traffic pattern below 3000ft AGL.
With the exceptions detailed above pilots shall:
(a) If proceeding from an area where a specific code has been assigned to the aircraft by an ATS Unit, maintain that code setting unless otherwise instructed;
(b) Select or reselect codes, or switch off the equipment when airborne only when instructed by an ATS Unit;
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本文链接地址:Guide to Visual Flight Rules (VFR) in the UK(31)