STS Declaration Validity Limit
Verified from official sourcesVersion 1Effective -Verified 25 August 2026
In plain language
When you submit a declaration to fly under a standard scenario (STS), the declaration is valid for a maximum of 2 years.
Requirement as structured
An operational declaration submitted under a standard scenario (STS) is valid for a maximum period of 2 years.
Original regulatory text
Kehtivusaeg Maksimaalselt 2 aastat
Applies when
- class marking
- C5