Aeronautical Information ManualChange 3 · Effective 7/9/2026
Appendix 2
Volcanic Activity Reporting Form (VAR)
VOLCANIC ACTIVITY REPORT
Air-reports are critically important in assessing the hazards which volcanic ash cloud presents to aircraft operations.
| OPERATOR: | A/C IDENTIFICATION: (as indicated on flight plan) | |||||||||
| PILOT-IN-COMMAND: | ||||||||||
| DEP FROM: | DATE: | TIME; UTC: | ARR AT: | DATE: | TIME; UTC: | |||||
| ADDRESSEE | AIREP SPECIAL | |||||||||
| Items 1–8 are to be reported immediately to the ATS unit that you are in contact with. | ||||||||||
| 1) AIRCRAFT IDENTIFICATION | 2) POSITION | |||||||||
| 3) TIME | 4) FLIGHT LEVEL OR ALTITUDE | |||||||||
| 5) VOLCANIC ACTIVITY OBSERVED AT(position or bearing, estimated level of ash cloud and distance from aircraft) | ||||||||||
| 6) AIR TEMPERATURE | 7) SPOT WIND | |||||||||
| 8) SUPPLEMENTARY INFORMATION SO2 detected Yes☐Ash encountered Yes ☐ | No ☐ No ☐ | Other(Brief description of activity especially vertical and lateral extent of ash cloud and, where possible, horizontal movement, rate of growth, etc.) | ||||||||
| After landing complete items 9–16 then fax form to: (Fax number to be provided by the meteorological authority based on local arrangements between the meteorological authority and the operator concerned.) | ||||||||||
| 9) DENSITY OF ASH CLOUD | ☐ | (a) Wispy | ☐ | (b) Moderate dense | ☐ | (c) Very dense | ||||
| 10) COLOUR OF ASH CLOUD | ☐ (a) White☐ (d) Black | ☐☐ | (b) Light grey(e) Other | ☐ | (c) Dark grey | |||||
| 11) ERUPTION | ☐ | (a) Continuous | ☐ | (b) Intermittent | ☐ | (c) Not visible | ||||
| 12) POSITION OF ACTIVITY | ☐☐ | (a) Summit(d) Multiple | ☐☐ | (b) Side(e) Not observed | ☐ | (c) Single | ||||
| 13) OTHER OBSERVEDFEATURES OF ERUPTION | ☐☐ | (a) Lightning(d) Ash fallout | ☐☐ | (b) Glow(e) Mushroom cloud | ☐☐ | (c) Large rocks(f) All | ||||
| 14) EFFECT ON AIRCRAFT | ☐☐ | (a) Communication(d) Pitot static | ☐☐ | (b) Navigation systems(e) Windscreen | ☐☐ | (c) Engines(f) Windows | ||||
| 15) OTHER EFFECTS | ☐ | (a) Turbulence | ☐ | (b) St. Elmo’s Fire | ☐ | (c) Other fumes | ||||
| 16) OTHER INFORMATION(Any information considered useful.) | ||||||||||
Date: 07/19/2010