STS Declaration Validity Limit

Verified from official sources
Version 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