MIL-STD-849B
TABLE XI. Classification of defects - canopies: square, gliding type - main and reserve - Continued.
Classification No. Defect Major/Critical Minor
30. Incorrect or defective material 139
31. Material unclean 140
32. Searing over stitching 141
33. Thread ends not clipped
Up to 2 inches 219
Over 2 inches 142
34. Dimension out of tolerance 143
35. Canopy out of trim more than
±1/2 inch, A to B line 144
±1/2 inch, B to C line 145
±1/2 inch, C to D line 146
±1 inch, D to tail 147
±1 inch on the brake loop setting 148
36. Deviation between lengths of suspension lines greater than
1/2 inch 149
37. Canopy not within the minimum specified cell standards
Full cell width less than 48 inches at the top of the canopy 150
Full cell width 7/8 - 2-1/2 inches less than top measurement 151
Full span measured over the lower surface shall be within a
17 inch differential of the total 7 cell top width 152
NOTE: When measuring the top surface leading edge, the cell should be measured from loaded seam to loaded seam using minimal tension. When measuring the bottom surface, measure from outside loaded seam to outside loaded seam using minimal tension.
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