What is the primary purpose of VDF steers for VFR flights?

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The primary purpose of VDF (VHF Direction Finding) steers for VFR (Visual Flight Rules) flights is to give directional assistance in times of difficulties. VDF is a navigational aid that helps pilots determine their position and course relative to a ground station, particularly in situations where visibility might be restricted or during navigation challenges.

In flight, especially under VFR conditions, pilots rely on visual cues and landmarks, but if they find themselves disoriented or in an area where their usual references are not visible, VDF can provide essential help in reestablishing direction and situational awareness. This is crucial, especially for VFR pilots who may not have access to advanced navigational instrumentation.

The other options do not capture the primary purpose as effectively: altitude guidance is typically managed by altitude indicators and other instruments, landing procedures require different specific aids, and compliance with air traffic control relates more to communication rather than direct navigational assistance. VDF's role is fundamentally about directional finding, especially when a pilot needs guidance in navigating back to a known or safe location.

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