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50 - Gas Balloon Pilot Exam BPL - In which way may an altimeter subscale which is set to an incorrect QNH lead to an incorrect altimeter reading?

Question 50 - Aircraft General Knowledge - Exam BPL Gas - Balloon Pilot License

If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended
If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended
If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended
If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended

Training tests and timed exam simulations Exam BPL Gas - Balloon Pilot License