Canadian Domestic Routes

Reference AIM RAC 12.6

Use of Preferred Routes

• provides planning guidance, minimizes route changes, more efficient
• strongly encouraged, but not mandatory
• published in CFS

RNAV Routes

• Q-routes: high-level
• T-routes: low-level controlled 
• upward from 2200 AGL
• 10 NM each side of centre with MOCA protection 6 NM each side of centre
• L-routes: low-level uncontrolled
• MOCA protection 6 NM each side of centre
• Magnetic Reference Bearing published in SDA (reference only; RNAV systems will fly true course)

Position Reporting on Random Routes in NCA

• north-south: every 5 degrees of latitude with whole/half degree of longitude
• east-west (south of 75N): whole/half degrees of latitude with each 10 degrees of longitude
• east west (north of 75 N): whole/half degrees of latitude with each 20 degrees of longitude
• and of course, as requested by ATS

CMNPS = Canadian Minimum Navigation Performance Specifications (Reference AIM RAC 12.5)

• Laterally this includes the ACA, NCA, and a small portion of the SCA
• Vertical dimensions are FL330 to FL410

Polar Routes (Reference AIM RAC 12.6.7)

• aircraft need CMNPS certification
• must file designated polar fixes on the Achorage/Russian border but are otherwise random in Canadian airspace
• routing should be filed with a fix every 5 degrees of latitude