Question id 51 - Aircraft General Knowledge - Quiz BPL Hot Air - Balloon Pilot License

An altitude indication which is too high
An altitude indication which is too low
A correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature
A blockage of the Pitot tube by ice, freezing the altimeter indication to its present value

Training tests and timed exam simulations Quiz BPL Hot Air - Balloon Pilot License