Modification and Integration of systems has been the cornerstone of WestWinds corporate history.

MEDEVAC External Stores Support System (ESSS) Rescue Hoist

3.1a 720WestWind was tasked with the A-kit development, system integration, qualification, documentation, training, provisioning, validation & verification of a UH-60A/L ESSS Hoist kit, along with the delivery of WestWind patented B-kits to complete the equipping of ten aircraft and the installation of the kits on nine aircraft. Three installations occurred at WestWind’s facility in Huntsville, AL. Six were accomplished at U.S. Army Reserve facilities in Clearwater, FL. The tenth kit was used to support testing by the Government. The scope required WestWind to provide an integrated master schedule, performance reports, configuration management plan, installation drawings and associated lists, system requirements review, systems architecture design, engineering analyses, and provide provisioning and publications documentation. WestWind coordinated the test plan with the customer and supported testing in order to qualify the system under the requirements specified in the Airworthiness Qualification Plan (AQP).

HH-60H Sea Hawk Cockpit Upgrade (Dual EGI)

3.1b-SH-60 seahawk 720WestWind performed the mechanical and electrical design, fabrication, and installation of 35 cockpit upgrade kits, 3 for prototype, validation and verification installation and 32 for production kits. The initial installations are being performed at WestWind’s hangar facility in Huntsville, AL, During the design of the EGI upgrade, WestWind performed trade studies on the installation of the same and similar EGI units on aircraft other than the HH-60H Sea Hawk. The final design of the modification was scrutinized with many methods, including stress analysis, before proceeding to the prototype phase. The WestWind design ensures that adequate redundancy is provided within the system architecture, including both manual and automatic EGI switching. The crypto coding of the dual EGIs will be accessible by the aircrew in the cabin or cockpit.

During the initial EGI upgrade, WestWind performed the de-modification of existing system components, including removal of the existing Replacement Attitude Heading and Reference System (RAHARS) attitude sensors, pilot and copilot compass control panels, pilot and copilot displacement gyroscopes, the AN/ARN-151 GPS receiver and mounting tray, and the AN/APN-217 Doppler system. Existing wiring that was deemed obsolete and unusable during future upgrade phases was removed. All GFE removed during the de-modification was shipped to a customer-provided address.

WestWind also developed and delivered the Integrated Logistics Support (ILS) documentation including the logistics management information (LMI), Design Change Notice (DCN), Engineering Data for Provisioning (EDFP), Provisioning Parts List (PPL), Level of Repair Analysis (LORA), Interim Support Item List (ISIL), and Support Equipment Requirements Data (SERD). Additionally, WestWind provided the source data for updating the Interactive Electronic Technical Manuals (IETM), the Naval Aviation Training and Operating Procedures Standardization (NATOPS), and Maintenance Requirement Cards (MRC).

Completion of future development phases will result in the integration of a full glass cockpit into the HH-60H Sea Hawk.

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