THESE TYPE CHANGES TO A MINIMUM. C. CAA WILL NOT ACCEPT OPTIONAL SCHEDULES; YOU SHOULD APPLY FOR THE DATE YOU THINK YOU WILL MOST LIKELY OPERATE. D. CIVIL AVIATION MOSCOW HAS ADVISED THAT A DOUBLE CHARGE FOR PERMITS WILL BE LEVIED WITH 3 OR MORE SCHEDULE CHANGES. 9. POLITICAL PROBLEMS - A. RUSSIA IS FACED WITH