Heli-One offers 4-display EFIS system for S-61 helicopters. The system is based arund 4 ea EFI-890H units from Universal Avionics, LCR-100 AHRS and one L3 standby instrument. The system is qualified for military aircraft.

Installation of NVIS aircraft lighting modification for a Sikorsky S-61 Helicopter. Night Vision Imaging System (NVIS) modifications are required to maximize visual acuity and safety while operating an aircraft with night vision goggles (NVGs).

ASU offers nearly 40 STCs covering more than 80 makes and models of rotary and fixed-wing aircraft. 

Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.

Removal of the Bendix 30E20-11-C 300 Amp Starter Generator and installation of the AMETEK Aerospace MG105A-1, 300 Amp Starter Generator

Installation of an Integrated Cockpit Display System (ICDS) with an Attitude and Heading Reference System (AHRS) for Dual Pilot Instrument Flight Rules Category A and B operation in accordance with Vector Aerospace Helicopter Services Inc. “Master Drawing List”, HP 61-34-33-105, Revision A, dated February 28, 2011, or later FAA approved revision.

Activation of ADS-B Function using Mode S Extended Squitter

Installation of Carson Helicopters Inc. composite main rotor blades, p/n163-101-1 as replacement for the Sikorsky metalblade and with noperformance improvement: i.e. performance equal to that of the Sikorskybasic RFM and associated Sikorsky RFM Supplements 15 and 16. EASA.IM.R.S.01129 FAA STC SR01585NY

Installation of Precise Flight Pulselite Control Unit in theLanding /Taxi Recognition Visual Control Light system,

Installation of Smiths Industries Cockpit Voice Recorder in accordance with Master Drawing List ACRO 61-23-00-103, Rev NC, dated April 6, 1999, or later FAA approved revision.

Upgrade of the S6135-20600 main gearbox by replacing input freewheelingunits. EASA.IM.R.S.01147 FAA STC SR02057NY