[ANNEX VII U.K. ORGANISATION REQUIREMENTS FOR AIRCREW
SUBPART FSTD REQUIREMENTS FOR ORGANISATIONS OPERATING FLIGHT SIMULATION TRAINING DEVICES (FSTDs) AND THE QUALIFICATION OF FSTDs U.K.
SECTION II U.K. Requirements for the qualification of FSTDs
ORA.FSTD.230 Changes to the qualified FSTD U.K.
(b) In case of an upgrade of the FSTD qualification level, the organisation shall apply to the competent authority for an upgrade evaluation. The organisation shall run all validation tests for the requested qualification level. Results from previous evaluations shall not be used to validate FSTD performance for the current upgrade.] U.K.