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Aviation Concepts Technical Services
Maintenance

Gulfstream G500/G600

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Philippines
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G500 and G600 support expands at ACTSI Subic Bay
FAA approved ACTSI to add Gulfstream GVII-G500 and G600 models to its capability list following continued cooperation with Gulfstream and local authorities.
Stephen Klohr, ACTSI director of quality.

Aviation Concepts Technical Services (ACTSI) has added the Gulfstream GVII-G500 and G600 aircraft to its FAA Operations Specifications A003-1 capability. Based at Subic Bay International Airport in the Philippines, the company can now provide warranty work and other MRO services on a wider range of Gulfstream types under its agreement with Gulfstream Aerospace Corporation.

Gulfstream operators in the region are now able to access warranty services on the G280, G550, G650, G650ER and G500/G600 variants. This follows ongoing collaboration between ACTSI and multiple authorities including the FAA, CAAP, and the regulators of the Cayman Islands and Bermuda.

Director of quality Stephen Klohr says: “ACTSI continues to have great collaboration with the FAA, CAAP and Cayman and Bermuda authorities to provide the safest and highest quality maintenance and inspections on the Gulfstream product line.”

The expansion also reflects ACTSI’s existing component capabilities which include wheel and tyre servicing, battery repairs and sheet metal work.

“As a Gulfstream authorised warranty repair facility, this reinforces our commitment to delivering top-tier maintenance services to Gulfstream customers operating in and around the Asia Pacific Region,” adds president Fernando L. Gaspar.

Other News
 
Steep approaches expand the footprint for G500 and G600
January 17, 2026
European steep-approach approval allows more Gulfstream G500 and G600 to operate at airports with short runways and challenging approaches, expanding route options. The FAA long-since ticked that box.
ACTSI expands maintenance to include G700
November 10, 2025
The Subic Bay-based MRO has gained approval to service Gulfstream’s flagship G700 aircraft, strengthening its role as a key regional maintenance provider.
ACTSI expands Subic Bay hangar to meet rising MRO demand
October 16, 2025
The 7,000-square-metre facility was built in collaboration with PrimeBMD and Colliers and will be completed by May 2026 to serve Asia Pacific operators.