Expert characteristics
| Expert | Profession | Area of expertise |
| 1 | Special operations command officer | HSC operations, study population |
| 2 | Special operations command officer | HSC operations, study population |
| 3 | Coastguard officer | HSC operations, study population |
| 4 | Coastguard officer | HSC operations, study population |
| 5 | Engineer, researcher | HSC human factors engineering |
| 6 | Engineer, researcher | HSC human factors engineering |
| 7 | Physician, researcher | Medicine, human biomechanics, content validity |
| 8 | Physiotherapist, researcher | Epidemiology, questionnaire development, musculoskeletal pain |
| 9 | Physiotherapist, researcher | Questionnaire development, musculoskeletal pain |
| 10 | Physiotherapist | Occupation therapist in the study population |
HSC, high-speed craft.