For any enquiries on the Service, please make use of the electronic enquiry form or call :
| General enquiries | (852) 2805 6020 |
| Application for enrolment as a CAS Member | (852) 3651 9375 |
| Application for joining Cadet Corps | (852) 3651 9377 |
| Expertise Service on Mountaineering Safety and Work Safety on Slope / in the Mountains | (852) 3651 9355 |