Hello Sarah Things to consider might be: no upper respiratory tract pathology, intact tympanic membranes with positive valsalva, decent hearing, vision of not less than 6/12 unaided correctible to 6/6. Anthropometry and body weight is important due to limitations of aircraft cockpits and crash design features. Not definitive guidance but hope this helps Jo ~~~~~~~~~~~~~~~ Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH OCCUPATIONAL HEALTH JOBS http://OHJobs.drmaze.net OCCUPATIONAL HEALTH NURSING EDUCATION http://www.aohne.org.uk