Wilbert Smith Archives Files Box 1131 11 1131-11-p024

Document Text (OCR)

6. If exhaust or vapur trails are indicated or statement as to their absence 2 points may be allowed; 4f there ie any degree of doubt the score should be reduced towards zero. Answers concerning noise should be given 3 points if they are specific and reduced towards zero if they are not specific. Under weather conditions the total possible score of 5 should be scaled in proportion to the number of statements con- firmed by official weather report. Question 22, if a specific statement wae made...