Established in 2013, PT. Wira Jasa Angkasa (WJA) is premiair group subsidiary company focusing in aircraft maintenance and supplies.


With its current status as approved maintenance facilities of Embraer and Cessna, WJA provides key services to support service ability of aircraft such as Mobile Repair Team, Battery & Wheel Shop, PPI (Pre Purchase Inspection) Assistances and Regional Aeronautical Product Distribution are amongst WJA numerous services.

WJA is a subsidiary of Premiair Group with experienced and selected people ready to cater our customers in Aircraft Maintenance and Supplies.


With its certified engineers and as the approved maintenance facilities, WJA firstly operated to serves Premiair with its diverse model and type of aircraft.


Gradually WJA is expanding its aircraft maintenance services to serve more external customers with lines of aircraft from different manufactures.


Being a remarkable maintenance key for aviation solutions.



WJA are committed to deliver the best quality products and services, comply fully to regulatory requirements in our practice, and maintain a safe and healthy working environment.



To be the most preferable Maintenance Repair and Overhaul (MRO) service provider in the region.


WJA approved by Indonesian Authority under part 145 (145D - 897) and has officially became Embraer Authorized Service Center for EMB135 Legacy 600/ 650 in 2014.

In October 2017, Textron Aviation appointed WJA as Authorized Service Facility for Cessna Grand Caravan 208/208B.

In 2018, WJA obtained San Marino & FAA certification as Authorized Service Center for EMB135 Legacy 600/ 650


With state of the art equipment, WJA offers short maintenance cycles or repair and support a variety of main aircraft batteries manufacturers, such as Marathon and Saft NiCAD batteries.


Battery Services include:

  • Periodical check
  • Regular check
  • Overhaul
  • Repair
  • AOG servicesz


FDR & CVR services, on wings & off wings download and read out, with capabilities on:

  • Honeywell 980-4700 series (SSFDR)
  • L3Com FA2100 Models (CVFDR)


WJA offers a complete range of wheels up to overhaul for Embraer Legacy 600 and Legacy 650, Cessna C208 Caravan and several other types of aircraft.


Wheel Services include:

  • Tire repair and replacement
  • Major repairs and overhaul
  • NDT (upon request)


WJA is available to assist customer with Mobile Repair Team to where the aircraft is located.



WJA approved as distributor aeronautical products, thus WJA is ready to supply part and component for various aircraft maintenance programe with a minimum delivery time and competitive price.


Located at Halim Perdana Kusuma Airport Jakarta, WJA presents the 8,000 sqm of Hangar, built in 2011 with a high quality construction and premium choice of building materials and can accomodate usage for narrow to wide body single asile aircraft storage.



WJA offers a cost-effective solution by renting tools and equipment needed to support your aircraft maintenance and operation.

For Business Inquiry, please contact:

Phone: +622129388900