Criteria and requirements for establishing the altitude at or below which the vertical position of an aircraft is controlled by reference to altitudes. International Civil Aviation Organization Implementation and Status
It is critical to note that Doc 8168 is (Procedures for Air Navigation Services). Under the Chicago Convention, PANS are not as legally binding as SARPS (Standards and Recommended Practices), but they are approved by the ICAO Council and member states are expected to implement them uniformly. In practice, Volume 3 is treated as mandatory for any state that wants its instrument procedures to be legal for international flight.
For official copies or current updates, you can check the ICAO Store or refer to the latest ICAO Publications Catalogue . Aircraft Operations
| Document | Focus | |----------|-------| | ICAO Annex 6 — Operation of Aircraft | High-level standards (training, duty time, performance) | | ICAO Doc 8168 Vol III | Step-by-step operational procedures for instrument flight | | ICAO Doc 4444 (PANS-ATM) | Air traffic control procedures |
Criteria and requirements for establishing the altitude at or below which the vertical position of an aircraft is controlled by reference to altitudes. International Civil Aviation Organization Implementation and Status
It is critical to note that Doc 8168 is (Procedures for Air Navigation Services). Under the Chicago Convention, PANS are not as legally binding as SARPS (Standards and Recommended Practices), but they are approved by the ICAO Council and member states are expected to implement them uniformly. In practice, Volume 3 is treated as mandatory for any state that wants its instrument procedures to be legal for international flight.
For official copies or current updates, you can check the ICAO Store or refer to the latest ICAO Publications Catalogue . Aircraft Operations
| Document | Focus | |----------|-------| | ICAO Annex 6 — Operation of Aircraft | High-level standards (training, duty time, performance) | | ICAO Doc 8168 Vol III | Step-by-step operational procedures for instrument flight | | ICAO Doc 4444 (PANS-ATM) | Air traffic control procedures |