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6/17/21 

AIM 

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 

Other    

8) 

SUPPLEMENTARY INFORMATION 

SO

detected 

Yes 

 

No 

 

Ash encountered 

Yes 

 

No 

 

(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 

(b) Light grey 

(c) Dark grey 

     (d) Black 

(e) Other   

11)   ERUPTION

(a) Continuous

(b) Intermittent

(c) Not visible 

 

 

 

 

12)   POSITION OF ACTIVITY

(a) Summit 

(b) Side 

(c) Single 

(d) Multiple 

(e) Not observed 

 

 

 

 

 

 

13)   OTHER OBSERVED 

(a) Lightning 

(b) Glow 

(c) Large rocks 

FEATURES OF ERUPTION 

(d) Ash fallout 

(e) Mushroom cloud 

(f) All 

 

 

 

 

 

 

14)   EFFECT ON AIRCRAFT

(a) Communication 

(b) Navigation systems 

(c) Engines 

(d) Pitot static 

(e) Windscreen 

(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 

Volcanic Activity Reporting Form (VAR) 

Appendix 2