| Type | Number | Title | Status | Office | Date |
|---|---|---|---|---|---|
| Order | JO 6740.2D | Maintenance of Nondirectional Beacons (NDB) | Active | AJW-152 | 1989-03-06 |
| Order | AF P 6740.1 | Navigational Aids Facilities and Equipment Modification Handbook -Non Directional Beacon (NDB) | Active | AJW-152 | 1954-08-05 |
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