Practice question
How does extremely cold air temperature affect an aircraft's TRUE altitude relative to its INDICATED altitude when set to QNH?
- True altitude is HIGHER than indicated altitude
- True altitude is LOWER than indicated altitude ('from hot to cold, look out below')
- True altitude is identical to indicated altitude
- True altitude fluctuates unpredictably
Answer: B — True altitude is LOWER than indicated altitude ('from hot to cold, look out below')
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: NCAA Air Traffic Controller Licence Practice Questions - NCAA Air Traffic Controller Licence Examination (Nigeria) Exam →