Flying with PH

Flying with pulmonary hypertension

Air travel with a lung condition - a good one

What happens to your body during a flight - for everyone, not just PH-ers

If you can walk 50 metres on the level without needing oxygen, at a steady pace, without feeling breathless or needing to stop, you are not likely to be troubled by the reduced pressure in aircraft cabins. - I've read this a couple of times, already. In some cases, they say 100 metres.