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Who holds what · as the FAA records the name

Sterling Helicopter

Holds 9 approved modifications, most of them for the Airbus Helicopters EC-135 now H135. FAA spelling: STERLING HELICOPTER.

Approved modifications 9 · newest first

2026-09-17SA12506NY · Installation of de-ice heaters (also known as horizontal tail heaters) and associated parts on the left hand and... · PA-46-500TP
2026-02-13SR04481AT · Installation of LED steerable searchlight/landing light assembly in replacement to the legacy steerable... · AB139, AW139
2026-02-05SR11898NY · Installation of Outerlink Corporation Air IP system · 206, 206A, 206A-1 (OH-58A)
2025-03-11SR04842NY · Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS) · EC135P1, EC135P2, EC135P2+
2025-02-26SR04711NY · Replacement of Luminator LS400 LED searchlight (steerable landing light) · 429, AS350C, AS350D
2024-02-01ST04839NY · Installation of LED Position/Anti-Collision Lights · CL-600-1A11 (600), CL-600-1A11 (CL-600),...
2023-12-05SR03403CH · Installation of universal internal mount for electrical equipment provisions · R44, R44 II
2022-12-01ST04787NY · Installation of True Blue Power TFC4000 AC-to-AC Converter · GVI, GIV-X, GV-SP
2022-10-24SR04785NY · Installation of Outerlink Corporation Air IP system · AW139

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.