Other navigational instruments and appliances not named above, including GPS navigators, plotters, radar plotters and log instruments.

State receiver type and map data; radio approvals and export controls may apply to precise GNSS receivers. Measuring and survey instruments are precision goods: pack in padded cases with silica gel, state accuracy class, range and resolution, provide calibration certificates traceable to national standards, CE/BIS marks for electronic units, and keep lithium batteries under dangerous goods rules; some navigation and geophysical instruments are export controlled.