Aviation Dictionary

Agonic line

An irregular imaginary line across the surface of the Earth along which the magnetic and geographic poles are in alignment, and along which there is no magnetic variation.

Dictionary Term

Agonic line

Definition

An irregular imaginary line across the surface of the Earth along which the magnetic and geographic poles are in alignment, and along which there is no magnetic variation.

References

Pilot's Handbook of Aeronautical Knowledge · Federal Aviation Administration · 2023