SPECTROLAB SX-5 SEARCH LIGHT
Airlift Mod. DO-139-33-102
Installation of Spectrolab SX-5 Starburst search light with AgustaWestland’s (AW) kit P/N 4G3340A00611 (SX-5 search light installation, removable part) on AW139 in “short nose” configuration, fitted with search light system P/N 3G3340F00111 (SX-16 search light installation, fixed part).
The Spectrolab SX-5 Starburst searchlight is a high intensity external light source installed on a gimbal support on the left hand side of the helicopter. It is used to provide high intensity external lighting for reconnaissance operations during night time.
The modification introduce a SX-5 search light system without slaving function.
The modification comprises the modification of wiring necessary to interface the fixed part (P/N 3G3340F00111), intended to fit the larger SX-16 external unit, with the smaller SX-5 external unit (P/N 4G3340A00611), as well as the installation of the SX-5 hand control panel (pendant) and minor modification to the installed wiring to address the lower power requirement of the SX-5 unit.
The SX-5 searchlight is fully removable and can be mounted without special tools by use of quick release pins.
CONDITIONS & COMPATIBILITY LIMITATIONS
Searchlight use is regulated by limitations and procedures stated in the Approved Flight Manual Supplement associated to this STC.
Before installation, the installer shall determine any possible conflict of this installation with other modifications already installed on the helicopter that may introduce adverse effect on airworthiness of the product or jeopardize flight safety.
Manpower: Mechanic / Sheet metal worker 30 hrs, Avionic 10 hrs. Complexity: medium.
Approval Form, installation instructions, material list, drawings, wiring diagrams, instructions for continued airworthiness, rotorcraft flight manual supplement.
Kit P/N 4G3340A00611 (SX-5 search light installation, removable part) can be ordered from AgustaWestland.
EASA STC No. 10046342 for AB139, AW139 “Short nose” A/C msn: 31005-31200 (excl. 31007), 41001-41200.