Uncial 0283 (in the Gregory-Aland numbering), is a Greek uncial manuscript of the New Testament. Paleographically it has been assigned to the 9th century.
The codex contains some parts of the Gospel of Mark 2:21-3:18; 5:9-13.31-36; 6:9-13.39-40; 9:20-24.44-47; 14:54-62; 15:6-15, on 15 parchment leaves . The text is written in two columns per page, 22 lines per page, in uncial letters.[1]
Currently it is dated by the INTF to the 9th century.[1] [2]
It is one of the manuscripts discovered in Saint Catherine's Monastery at Sinai in May 1975, during restoration work.[3] Currently the codex is housed at the St. Catherine's Monastery (N.E. ΜΓ 47) in Sinai.[1]