How are high and low RNAV routes shown on the charts?

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Prepare for the Instrument Flying Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Ensure readiness for your test!

Multiple Choice

How are high and low RNAV routes shown on the charts?

Explanation:
High- and low-altitude RNAV routes are identified on charts by a prefix that signals which altitude band the route is intended for: use of the letter Q for high-altitude RNAV routes and the letter T for low-altitude RNAV routes. This labeling appears before the route number, so on high enroute charts you’ll see Q-routes, and on low enroute charts you’ll see T-routes. The boundary between these bands is generally around 18,000 feet MSL, with Q-routes used above that level and T-routes used below it. This distinction helps you choose the appropriate RNAV route for your flight level and confirms that the route requires RNAV capabilities.

High- and low-altitude RNAV routes are identified on charts by a prefix that signals which altitude band the route is intended for: use of the letter Q for high-altitude RNAV routes and the letter T for low-altitude RNAV routes. This labeling appears before the route number, so on high enroute charts you’ll see Q-routes, and on low enroute charts you’ll see T-routes. The boundary between these bands is generally around 18,000 feet MSL, with Q-routes used above that level and T-routes used below it. This distinction helps you choose the appropriate RNAV route for your flight level and confirms that the route requires RNAV capabilities.

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