When proceeding to the Elm Grove VORTAC at 12,000 MSL, what DME frequency should be selected for the VDP?

To determine the correct DME frequency for the visual descent point (VDP) when proceeding to the Elm Grove VORTAC at an altitude of 12,000 feet Mean Sea Level (MSL), it is essential to understand the role of the VORTAC system in navigation. Typically, a VORTAC combines VOR (VHF Omni-directional Range) and TACAN (Tactical Air Navigation) which provides both azimuth and distance information.

The DME associated with a VORTAC will directly provide distance measuring equipment capabilities that are crucial for procedures like transitioning to visual approach. Each VORTAC has specific channels and frequencies allocated for its DME function.

In the case of Elm Grove VORTAC, the correct DME frequency associated with its channel, which is designed for accurately locating the visual descent point, is Channel 49. This frequency corresponds effectively with the navigation and approach procedures designated for that VORTAC, allowing pilots to utilize the DME information when executing an approach or maneuvering near the facility.

Understanding VORTAC channels and their associated features is vital for safe and precise navigation during all phases of flight, especially during approaches and landings. Therefore, selecting Channel 49 enables the pilot to correctly identify the visual