OurAirports has records for 9 different navaids with the identifier "OA". Please select the one you'd like to view.
Argentina
270 KHz (OA --- .-)
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Hungary
282 KHz (OA --- .-)
Libya
330 KHz (OA --- .-)
Namibia
382 KHz (OA --- .-)
New Caledonia
402 KHz (OA --- .-)
Oman
337 KHz (OA --- .-)
French Polynesia
358 KHz (OA --- .-)
Russia
332 KHz (OA --- .-)
United States
261 KHz (OA --- .-)