GEN 2.3 — Chart Symbols
Chart symbols used in this AIP follow the conventions specified in ICAO Annex 4 — Aeronautical Charts, and ICAO Doc 8697 — Aeronautical Chart Manual.
Aerodrome Symbols
| Symbol Description | Meaning |
|---|
| Circle with four external ticks (civil land aerodrome) | Civil aerodrome |
| Double circle (military land aerodrome) | Military aerodrome |
| Double circle with four external ticks (joint-use land aerodrome) | Joint-use (civil/military) aerodrome |
| Circle containing the letter H | Heliport |
Navigation Aid Symbols
| Symbol Description | Navigation Aid |
|---|
| Hexagonal VOR symbol; compass rose where required | VOR / DVOR |
| VOR symbol within a square; compass rose where required | VOR/DME or DVOR/DME |
| Dotted-circle NDB symbol | NDB (Non-Directional Beacon) |
| Square | DME (standalone) |
| Dedicated TACAN symbol (Annex 4, Appendix 2, No. 106) | TACAN |
Airspace Symbols
| Line Type | Meaning |
|---|
| FIR boundary symbol with FIR identification | FIR boundary |
| Boundary identified by airspace designation and class | TMA / CTR boundary |
| Restricted-airspace boundary with P identifier | Prohibited area (P) |
| Restricted-airspace boundary with R identifier | Restricted area (R) |
| Restricted-airspace boundary with D identifier | Danger area (D) |
Other Symbols
- Reporting points: For conventional reporting-point triangles, filled denotes compulsory reporting and open denotes on-request reporting. RNAV fly-by and flyover waypoint symbols are distinguished on the individual chart.
- ATS Routes: Solid line with designator label and magnetic track
- Obstacles: Obstacle symbol with top elevation; height above the specified datum is shown in parentheses
Reference: ICAO Annex 4, Appendix 2 — ICAO Chart Symbols; ICAO Doc 8697.
