Page Comparison

...

See topic Basic Data for Navaid.

Hours of Operation

See topic Hours of Operation for Navaid.

Magnetic Variation

For NDB, PANS-AIM Appendix 1 requires the magnetic variation to be provided. For details about the encoding including rules see the topic Magnetic Variation.

...

  the radio frequencies assigned to NDBs shall be selected from those available in that portion of the spectrum between 190 kHz and 1 750 kHz.

Position

In case an NDB (Locator) collocated with a marker is physically located at the same position as the marker, the geographic position (latitude and longitude) of the Marker is also the geographic position of the NDB.

In case an NDB (Locator) is collocated with a Marker and the position of the NDB is different from the position of the Marker, some restrictions have to be taken into account (see coding rules for Marker Beacon).

For more details see topic Navaid Position & Elevation.

Operating Authority

See topic Operating Authority for Navaid.

Facility Coverage

See topic Facility coverage.

Navaid Collocation

An NBD instance may be collocated with a MarkerBeacon.

...

 Coding examples can also be found in the DONLON AIXM 5.1.1 AIP data set file:

References