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U/FLOOR | Underfloor |
U/S | Unserviceable |
UAC | Upper Area Control Center |
UART | Universal Asynchronous Receiver Transmitter |
UD | Document Unit (Unité Documentaire) |
UDC | Upper Deck Cargo |
UDCC | Upper Deck Cargo Compartment |
UDL | Unit Detail Listing |
UF | Underfrequency |
ULB | Underwater Locator Beacon |
ULD | Unit Load Device |
UNBAL | Unbalance, Unbalanced |
UNCPLG | Uncoupling |
UNCRCTD | Uncorrected |
UND | Under |
UNIV | Universal |
UNLK | Unlock |
UNLKD | Unlocked, Unlocking |
UNSD | Unused |
UPR | Upper |
UR | Utilization Rate |
US | Under Speed |
US | United States |
UTA | Upper Control Area |
UTC | Universal Time Coordinated |
UUT | Unit Under Test |
UV | Ultra-Violet |
UV | Under Voltage |
UVEROM | Ultra Violet Eraseable Read Only Memory |
UWY | Upper Airway |