Because no operating safety case (OSC) is the same, there is no definitive time-scale for an OSC. 

However, applicants will be kept up to date throughout the process.

Heliguy also values quality over time; helping each applicant build, understand, and then deliver a comprehensive and comprehensive OSC through an effective 360 approach.

Your OSC specialist's experience, should, however, streamline the process as much as possible.

Once an OSC is submitted to the CAA, it can take around 6-8 weeks to be processed, although this can be extended depending on their workload.