29.3181—Summary of standard grades.
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14 Grades of Flying
|
| X1L |
X5L |
X4F |
X4G |
| X2L |
X1F |
X5F |
X5G |
| X3L |
X2F |
X4M |
| X4L |
X3F |
X5M |
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21 Grades of Lugs or Cutters
|
| C1L |
C2F |
C5K |
C5V |
| C2L |
C3F |
C3M |
C4G |
| C3L |
C4F |
C4M |
C5G |
| C4L |
C5F |
C5M |
| C5L |
C3K |
C3V |
| C1F |
C4K |
C4V |
|
39 Grades of Leaf
|
| B1F |
B3FR |
B3K |
B3VR |
| B2F |
B4FR |
B4K |
B4VR |
| B3F |
B5FR |
B5K |
B5VR |
| B4F |
B1R |
B2M |
B3GF |
| B5F |
B2R |
B3M |
B4GF |
| B2FL |
B3R |
B4M |
B5GF |
| B3FL |
B4R |
B5M |
B3GR |
| B4FL |
B5R |
B3VF |
B4GR |
| B1FR |
B4D |
B4VF |
B5GR |
| B2FR |
B5D |
B5VF |
|
|
21 Grades of Tips
|
| T3F |
T3R |
T5K |
T5GF |
| T4F |
T4R |
T4VF |
T4GR |
| T5F |
T5R |
T5VF |
T5GR |
| T3FR |
T4D |
T4VR |
| T4FR |
T5D |
T5VR |
| T5FR |
T4K |
T4GF |
|
8 Grades of Mixed Group
|
| M3F |
M5F |
M4FR |
M4K |
| M4F |
M3FR |
M5FR |
M5K |
|
7 Grades of Nondescript
|
| N1L |
N1R |
N2L |
N2G |
| N1F |
N1G |
N2R |
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Code of Federal Regulations
[24 FR 8771, Oct. 29, 1959, as amended at 35 FR 10490, June 27, 1970; 47 FR 51722, Nov. 17, 1982; 49 FR 16758, Apr. 20, 1984; 51 FR 40407, Nov. 7, 1986]