Guidance concerning Air Navigation in and above the NAT MNPSA
at intervals of not more than 15 minutes plot position (LAT/LONG) on the chart and adjust heading to regain track.
EAG Chart AT (H) 1; No 1 AIDU (MOD) Charts AT(H)1, 2, 3 & 4; the Jeppesen
North/Mid Atlantic Plotting Charts and the NOAA/FAA North Atlantic Route Chart are considered
suitable for this purpose.
NAT Doc 007