DESIGN, DEVLEOPMENT AND APPROVAL OF PILOT CONTROL STICK GRIP MANUFACTURED WITH 20

摘要

The pilot control stick grip P/N HA-420112C00F is installed on top of the control wheels of Control column installation on HAL built Do-228 aircraft. It is required to provide housing for various switches as per aircraft installation layout to be utilised by pilot & co- pilot for monitoring various cockpit requirements. There was a requirement to develop Pilot control stick grip with a suitable material and get it tested and approved by Airworthiness authority for use on HAL built Do-228 aircraft. After development of drawings and specifications by TARDC, HAL Kanpur, the item manufactured By M/s Satluz Engineering, Kanpur with 20% Glass filled Polycarbonate Grade LEXAN 3412R of GE Plastics. Plate part no. HA-420112B02B made up of same material moulded along with Threaded brass sleeve as per drawing no D0228-9192 is ultrasonic welded to manufacture the final Part HA-420112C00F. The Physico-mechanical properties of material and component were tested as per test schedule no. HAK(K)/DO-228/TS-007 and after satisfactory installation / functional trials & Pilots feedback item was approved by CEMILAC for aircraft use