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AIM 

6/17/21 

call signs due to corporate changes in the company 
name. 

j.  APPENDIX 2. VOLCANIC ACTIVITY 

REPORTING FORM (VAR) 

This change is to replace the out of date Volcanic 
Activity Reporting Form (VAR) in Appendix 2 with 
the updated Volcanic Activity Reporting Form 
(VAR). 

k.  Editorial Changes 

Editorial changes include the deletion of obsolete 
Low Altitude Alert System (LAAS) content in 
paragraph 4

1

16,  an updated FIG 7

1

14,  and 

updated URL links. Also, outdated references to the 
National Flight Data Center (NFDC) were removed. 

l.  Entire Publication 

Additional editorial/format changes were made 
where necessary. Revision bars were not used 
because of the insignificant nature of these changes. 

E of Chg

Explanation of Changes