* TSO (VOR): RTCA DO-196; FAA TSO-C40c, EUROCAE ED-22B
    * TSO (GS): RTCA DO-192; Class D, FAA TSO-C34e, EUROCAE ED-47A
    * TSO (DME): RTCA DO-151A, FAA TSO-C66b
    * Dimensions: 5.0"H x 2.5"W x 11.1"D
    * Temperature: -55 to 70C
    * TSO (LOC): RTCA DO-195; Class A, Category Manual, FAA TSO-C36e, EUROCAE ED-46A
    * TSO (MB): RTCA DO-143; Category A, FAA TSO-C66b
    * TSO (429 inputs): ARINC 429, 710, 711
    * Weight: 3.425 lbs. avg.
    * Altitude: 55000 feet