Abbreviations (FIATA) - U

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-XYZ

• u.c. - usual conditions
• U.D. - under deck
• U.D.K. - upper deck
• ULCC - Ultra Large Crude Carrier (oil)
• ULD - unit load device (aircraft)
• U/w - Unrierwriter