Description

An airway is:

• a control area or portion thereof established in the form of a corridor. (ICAO Annex 11 - Air traffic Services)
• a control area or portion thereof established in the form of a corridor equipped with radio navigation aids. (EUROCONTROL EATM Glossary of Terms)

The lateral and vertical extent of airways is detailed in the appropriate national AIP.

Further Reading

• ICAO Annex 11: Air Traffic Services;
• ICAO Doc 4444: Procedures for Air Navigation Services - Air Traffic Management (PANS-ATM)