| The pilots are believed to have taken off with a pressurisation valve in the wrong position, leading to a steady loss of cabin pressure as the aircraft climbed. |
| Without pressurisation, at very high altitudes it can lead to coma and possible death. |
| At 35,000 ft, a common cruising altitude for many commercial flights, people will survive for a maximum of 50 seconds without cabin pressurisation. |
| Unfortunately, he neglected to run through the checklist and consequently the plane took off without pressurisation. |
| In the past the ball was made up of leather panels sewn together, with a latex bladder for pressurisation but modern balls at all levels of the game are now synthetic. |
| The launch failed due to a leak in the second stage oxidiser pressurisation system, which caused it to cut out early. |
