It is my understanding that IMC privileges attach only to the CAA CPL/ATPL and
not to the JAR-FCL CPL/ATPL - see the extracts below ...
PART A – FLIGHT CREW LICENCESSection 1 – United Kingdom Licences
Commercial Pilot’s Licence (Aeroplanes)
Privileges:
(1) The holder of a Commercial Pilot’s Licence (Aeroplanes) shall be entitled to exercise the privileges of a United Kingdom Private Pilot’s Licence (Aeroplanes) which includes an instrument meteorological conditions rating (aeroplanes) and a night rating (aeroplanes) or night qualification (aeroplane), and shall be entitled to fly as pilot in command of an aeroplane:
(a) on a special VFR flight notwithstanding that the flight visibility is less than 3 km;
(b) when the aeroplane is taking off or landing at any place notwithstanding that the flight visibility below cloud is less than 1800 metres.
Section 2 – JAR–FCL Licences
Commercial Pilot Licence (Aeroplane)
Privileges and conditions:
(1) Subject to any conditions specified in respect of the licence, the privileges of the holder of a Commercial Pilot Licence (Aeroplane) are to:
(a) exercise all the privileges of the holder of a JAR–FCL Private Pilot Licence (Aeroplane) which includes a night qualification;
More information on both licences can be found in
ANO, Schedule 8.
JD