256.6—Runway classification by aircraft type.

Class A runways
S-2, VC-6, C-1, C-2, TC-4C, U-10, U-11, LU-16, TU-16, HU-16, C-7, C-8, C-12, C-47, C-117, U-21, QU-22, E-1, E-2, O-1, U-1, U-3, U-6, U-8, U-9, O-2, OV-1, OV-10, T-28, T-34, T-41, T-42.
Class B runways
A-1, A-3, A-4, A-5, A-6, F-106, F-5, F-15, F-18, S-3, C-121, EC-121, WC-121, C-123, C-130, A-7, A-38, AV-8, P-2, P-3, T-29, T-33, T-37, T-39, T-1, HC-130B, C-131, C-140, C-5A, KC-97, F-9, F-14, F-4, F-8, F-111, T-2, T-38, B-52, B-57, B-57F, C-124, EC-130E, HC-130, C-135, VC-137, YF-12, SR-71, F-100, F-101, F-102, B-66, C-9, C-54, C-97, C-118, C-141, KC-135, EC-135, RC-135, U-2, F-104, F-105, C-119.

Code of Federal Regulations

[42 FR 13022, Mar. 8, 1977]