The Landing Gear controller is a 3U VPX based conduction cooled chassis with 4 slot VPX backplane and it consists of Processor card (Main and Slave), I/O card and Front panel control board. Landing Gear Controller should be based on 32-bit microcontroller (Avionics grade) Should be a dual redundant digital computer with MIL-STD-1553B Interface (Configurable as RT) Provision for RS232,RS422 and MIL-STD-1553B based onboard diagnostics.