Change 1 to AC 150/5340-1J, STANDARDS FOR AIRPORT …

A current copy of the FAA AC 150/5300-13, Airport Design), Appendix 4, can be obtained from HQ AFCESA/CESC. For compass calibration pad marking requirements, use the controlling aircraft Technical Order or use the information within FAA AC 150/5300-13 for general-purpose compass calibration pads. ................
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