Direction-finding compasses in this heading are instruments designed to determine bearing or heading with a degree of precision suitable for navigation — including gyrocompasses, radio direction finders, and flux-gate compasses. Simple decorative or novelty magnetic compasses generally fall outside this heading. The functional specification and intended navigational use are the primary classification criteria.

Yes. High-performance navigational instruments — particularly those meeting certain accuracy or integration thresholds — may be controlled under the Export Administration Regulations (EAR) or, for military-grade units, the International Traffic in Arms Regulations (ITAR). Importers and re-exporters should conduct an end-use and end-user review and consult with a trade compliance specialist before transacting in precision navigation equipment.