29.3181—Summary of standard grades.
14 Grades of Flying
|
X1L |
X5L |
X4F |
X4G |
X2L |
X1F |
X5F |
X5G |
X3L |
X2F |
X4M |
X4L |
X3F |
X5M |
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 |
|
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]