- دسترسی سریع
- دفاتر انجمن
- سوالات متداول
- درباره انجمن
- دانلود لوگو
Use of the Foot (ft) is permitted as a temporary non-SI alternative to the Meter (m) .
As of early 2025, the most current version is the , which includes Amendment 17 (effective December 2020).
The Nautical Mile (NM) is used for navigation instead of kilometers.
The annex establishes the as the primary standard for aviation. However, it recognizes several non-SI units that remain in use for specific operational needs:
Use of the Foot (ft) is permitted as a temporary non-SI alternative to the Meter (m) .
As of early 2025, the most current version is the , which includes Amendment 17 (effective December 2020).
The Nautical Mile (NM) is used for navigation instead of kilometers.
The annex establishes the as the primary standard for aviation. However, it recognizes several non-SI units that remain in use for specific operational needs:
