This'll clear it up:
CAP393 Air Navigation Order:
Documents to be carried
86 (1) An aircraft shall not fly unless it carries the documents which it is required to carry
under the law of the country in which it is registered.
(2) Subject to paragraph (3), an aircraft registered in the United Kingdom shall, when in
flight, carry documents in accordance with Schedule 10.
(3) If the flight is intended to begin and end at the same aerodrome and does not include
passage over the territory of any country other than the United Kingdom, the
documents may be kept at that aerodrome instead of being carried in the aircraft.
SCHEDULE 10 Articles 86 and 88
Documents to be carried
Circumstances in which documents are to be carried
1 (1) On a flight for the purpose of public transport Documents A, B, C, D, E, F, H and, if
the flight is international air navigation, Documents G and I shall be carried.
(2) On a flight for the purpose of aerial work Documents A, B, C, E, F and, if the flight is
international air navigation, Documents G and I shall be carried.
(3) On a private flight, being international air navigation Documents A, B, C, G and I shall
be carried.
(4) On a flight made in accordance with the terms of a permission granted to the operator
under article 21, Document J shall be carried.
Description of documents
2 For the purposes of this Schedule:
(1) “Document A” means the licence in force under the Wireless Telegraphy Act 1949(a)
in respect of the aircraft radio station installed in the aircraft;
(2) “Document B” means the certificate of airworthiness in force in respect of the
aircraft; provided that, where the certificate of airworthiness includes the flight
manual for the aircraft, with the permission of the CAA, an aircraft to which article 38
applies need not carry the flight manual as part of this document;
(3) “Document C” means the licences of the members of the flight crew of the aircraft;
(4) “Document D” means one copy of the load sheet, if any, required by article 43 in
respect of the flight;
(5) “Document E” means one copy of each certificate of maintenance review, if any, in
force in respect of the aircraft;
(6) “Document F” means the technical log, if any, in which entries are required to be
made under article 15;
(7) “Document G” means the certificate of registration in force in respect of the aircraft;
(8) “Document H” means those parts of the operations manual, if any, required by article
38(2)(c) to be carried on the flight;
(9) “Document I” means a copy of the notified procedures to be followed by the pilot in
command of an intercepted aircraft, and the notified visual signals for use by
intercepting and intercepted aircraft;
(10) “Document J” means the permission, if any, granted in respect of the aircraft under
article 21; provided that, with the permission of the CAA, an aircraft to which article
38 applies need not carry such a permission if it carries an operations manual which
includes the particulars specified at sub-paragraph (1)(q) of Part A of Schedule 9.
Definitions
3 For the purposes of this Schedule:
“International air navigation” means any flight which includes passage over the territory
of any country other than the United Kingdom, except any of the Channel Islands, the Isle
of Man or any other relevant overseas territory to which there is power to extend the Civil
Aviation Act 1982(b) under section 108(1) of that Act.