Skip to main content

INRAT Instrument Rating · Question

While flying at FL180, your altimeter reading remains constant. If the outside air temperature increases while pressure remains constant, what is the effect on your true altitude?

When flying from cold air into warmer air, if the altimeter setting remains constant, the altimeter will read lower than the true altitude. Therefore, an increa

Start free practice for INRAT Instrument Rating

150 questions · no signup required · 40 free questions per day

Start Practice →

Question: While flying at FL180, your altimeter reading remains constant. If the outside air temperature increases while pressure remains constant, what is the effect on your true altitude?

Answer options:

  • True altitude decreases. ✅ True altitude increases.
  • True altitude remains unchanged.
  • True altitude first decreases, then increases.

Correct answer: True altitude increases.

Explanation: When flying from cold air into warmer air, if the altimeter setting remains constant, the altimeter will read lower than the true altitude. Therefore, an increase in outside air temperature results in an increase in true altitude for a constant indicated altitude.

Start free practice for INRAT Instrument Rating

150 questions · no signup required · 40 free questions per day

Start Practice →

More about INRAT Instrument Rating

Related Questions

More for INRAT Instrument Rating candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free INRAT Instrument Rating Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.