Sigma Aerospace

Using highly skilled and experienced technicians, assisted by an integrated planning system, Sigma Aerospace is able to complete a variety of customised maintenance inspections and modification packages including:


  • Routine Maintenance Checks
  • Minor/Major Airframe Repairs
  • Structural Inspections
  • Corrosion Prevention and Control
  • Ageing Aircraft Inspections
  • Aircraft Modification / Refurbishment


Whether periodic inspections, modifications, rebuilds or insurance repairs, we have the equipment and experienced team to complete the work efficiently.


Our adjacent supporting workshops, and a comprehensive spares inventory, ensure that aircraft maintenance is completed in a timely and cost efficient manner.




Sigma Aerospace's engineering team can undertake every aspect of aircraft repair and modification. A wide range of specialised equipment, including a salt heat treatment bath, enables our engineers to fabricate sheet metal components from raw materials.


The sheet metal section can completely rebuild sheet metal structures for airframes, control surfaces and associated systems.


Sigma Aerospace can also weld components to modify or repair them. Some examples include, Exhaust Systems, Engine Mounts, Seat Frames and many others.


Sigma's Machine Shop has a variety of specialised machine tools capable of a wide range of operations including turning, milling, boring and grinding.


The digital plotting capability of our vertical turret mill is particularly suitable for the reproduction of precision hole positions and bores on replacement fittings/castings, such as wing spar mods and wing attachment fittings.


Sigma can offer a full facility for the manufacture of aircraft control system cables that are tested to the most stringent CAO requirements. Our capabilities in cable sizes range from 1/16” to 1/4” with a wide selection of end fittings available.



P: +61 2 6760 7644
Hangar 7, Tamworth Airport
Tamworth NSW AUSTRALIA 2340
P: +61 7 3860 5780
Unit 19/67 Bancroft Road
Pinkenba QLD AUSTRALIA 4008
P: 0403 930 753
4/18 Industry Drive
Tweed Heads NSW Australia 2486
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