Which radio navigation system is NOT installed on the aircraft?

Prepare for the Primary Systems 1 Test. Focus with multiple-choice questions, hints, and detailed explanations. Ready yourself for success!

Multiple Choice

Which radio navigation system is NOT installed on the aircraft?

Explanation:
TACAN is a military navigation system, designed for use in armed operations and typically not installed on civilian airplanes. Civilian aircraft rely on VOR for directional guidance, DME for distance, and ILS for precision approaches. DME and VOR are standard together (often as VOR/DME), and ILS provides the localizer and glideslope for approaches. Because TACAN is primarily a military facility, it’s not normally part of a civilian aircraft’s nav suite, so the system not installed on the aircraft is TACAN.

TACAN is a military navigation system, designed for use in armed operations and typically not installed on civilian airplanes. Civilian aircraft rely on VOR for directional guidance, DME for distance, and ILS for precision approaches. DME and VOR are standard together (often as VOR/DME), and ILS provides the localizer and glideslope for approaches. Because TACAN is primarily a military facility, it’s not normally part of a civilian aircraft’s nav suite, so the system not installed on the aircraft is TACAN.

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