CFR / 
Title 14
 / 
Part 25
 / 
Sec. 25.237 Wind velocities.
(a) * * *
(3) * * *
(ii) Icing conditions with the most critical of the landing ice accretion(s) defined in Appendices C and O of this part, as applicable, in accordance with Sec. 25.21(g).
* * * * *