al when the airplane is modified by the installation of dual Universal Avionics Systems Corp. (UASC) (UNS-1D) Flight Management Systems (FMS), with Frequency Management via a UASC Radio Tuning Unit (RTU), receiving navigation inputs from Triple Honeywell Inertial Reference Sensors (IRS), dual internal GPS sensors,

al when the airplane is modified by the installation of dual Universal Avionics Systems Corp. (UASC) (UNS-1D) Flight Management Systems (FMS), with Frequency Management via a UASC Radio Tuning Unit (RTU), receiving navigation inputs from Triple Honeywell Inertial Reference Sensors (IRS), dual internal GPS sensors,

al when the airplane is modified by the installation of dual Universal Avionics Systems Corp. (UASC) (UNS-1D) Flight Management Systems (FMS), with Frequency Management via a UASC Radio Tuning Unit (RTU), receiving navigation inputs from Triple Honeywell Inertial Reference Sensors (IRS), dual internal GPS sensors,

al when the airplane is modified by the installation of dual Universal Avionics Systems Corp. (UASC) (UNS-1D) Flight Management Systems (FMS), with Frequency Management via a UASC Radio Tuning Unit (RTU), receiving navigation inputs from Triple Honeywell Inertial Reference Sensors (IRS), dual internal GPS sensors,