ifr navigationFAA-published sample question (IRH, Aug 2021)
(Refer to FAA-CT-8080-3F, Figure 91.) What does "15000" on V343 between DBS and BZN guarantee?
FAA Figure 91En route low-altitude chart segment (DBS to BZN, V343)FAA-CT-8080-3F · Instrument Rating supplement
A
The lowest altitude that ensures navigational signal coverage and obstacle clearance.✓ Correct Answer
B
The highest altitude that ensures 120 nautical mile navigational signal coverage between VORs.
C
The lowest altitude that ATC may use to vector an aircraft from the en route structure to the approach segment.
Explanation
An altitude printed on an airway without an asterisk is the minimum en route altitude (MEA), defined as the lowest published altitude between radio fixes that assures acceptable navigational signal coverage and meets obstacle clearance requirements. It is not a maximum altitude, and minimum vectoring altitudes are not charted on airways.
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