On Using a Compass on Journeys to Determine the Direction of the Qiblah
by The Albaani Blog
Questioner: The questioner says: taking a compass on journeys in order to ascertain the direction of the Qiblah for those who don’t know the cardinal points?
Al-Albaani: It’s waajib.
As-Su’aalaat, vol. 2, p. 332.