Senior Air Observer

(1) Recognise correctly from photographs or silhouettes shown for 10 sec, each, of the aircraft shown by the examiner.

(2) Pass or have passed Part 3 of the Air Spotter badge.

(3) Be able to recognise and name from a list submitted by the Scout the International aircraft markings both service and civil of at least 12 countries, including U.K.

(4) Understand the R.A.F. system of letter designation according to aircraft duties and give examples of 3 designations.

(5) Be able to distinguish the various marks of 2 aircraft types selected by himself. (Each type to have more that 1 mark or series number.)