BASH PHASE II IN EFFECT. MIGRATING BIRDS ARE MOST ACTIVE FROM
 SUNSET TO MIDNIGHT, BUT MAY BE ACTIVE THROUGHOUT THE NIGHT.
 INCREASED BIRD ACTIVITY DURING PHASE II GENERALLY OCCURS ONE HOUR
 BEFORE SUNSET UNTIL ONE HOUR AFTER SUNRISE WITH PEAK ACTIVITY
 BETWEEN 0300Z-0700Z. HOWEVER, PEAK ACTIVITY CAN BE AFFECTED BY
 WEATHER CONDITIONS AND MAY OCCUR AT DIFFERENT TIMES. ALL 509 BW
 (INCLUDING THE 131 BW) ASSIGNED AIRCRAFT TAKEOFFS, LANDINGS, AND
 TRANSITIONS ONE HOUR BEFORE SUNSET UNTIL ONE HOUR AFTER SUNRISE
 DURING BASH PHASE II REQUIRES 509 OG/CC APPROVAL. OPERATIONS FOR
 NON-509 BW/131 BW AIRCRAFT REST WITH THE EXECUTING AUTHORITY IN
 ACCORDANCE WITH THEIR DIRECTIVES.