Chapter:	369AJ	Title:	MERCHANT SHIPPING (SAFETY) (NAVIGATIONAL EQUIPMENT) REGULATIONS	Gazette Number:
Regulation:	36	Heading:	Records of calibration and verification	Version Date:	30/06/1997

The master of every ship required to be fitted with a direction-finder installation shall cause the following records to be kept in a place accessible to any person operating the direction-finder, and to be available for inspection at any reasonable time by a Government surveyor-

(a) a list or diagram indicating the position, on the most recent occasion on which the direction-finder was calibrated, of the antennas and all moveable structures on board the ship which might affect the accuracy of the direction-finder;
(b) the calibration tables and curves which were prepared on the most recent occasion on which the direction-finder was calibrated;
(c) a certificate of calibration signed by the persons making the calibration relating to the most recent occasion on which the direction-finder was calibrated; and
(d) a record, in the form specified in Schedule 2, of check bearings taken for the verification of calibration, the bearings being numbered in the order in which they were taken.