Sevenair Maintenance is the maintenance and engineering division of Sevenair Group having its origins with Aerotécnica, a company created in 1992 and later on acquired and integrated within the group. Today its responsible for maintaining the entire fleet of Sevenair Group not only of the airline but also from the training division offering extensive capabilities and approvals.
EASA approved service center capable of performing line and maintenance works on 40 different piston and turboprop aircraft from 17 different OEM. We offer line and base maintenance in 4 different locations in Portugal and Cape Verde. We also provide avionics and components services to customers worldwide..
Approvals



Part 145
Currently holding two certifications, one for Avionics and one for General Maintenance.
General Maintenance
- Booster Pumps
- Hydraulic Pumps Actuators
- Trim Couplers
- Power Packs
- Bleed Valves
- Landing Gears
- Landing Gear Actuators, Synchrophazers and Synchronizers
- Injector Valves
- Air Conditioning Components
- FCU – Flow Control Unit
- Anti-Ice System Components
Avionics – repair, overhaul and modification of:
- Radar: DME, transponders, radio altimeters.
- Navigation & Communication: VOR, ILS, ADF, VHF/UHF comm, radio control panels, PA systems.
- Avionics & Electronics: digital and analog systems.
- Electrical Power: indoor and outdoor lights, AC/DC controls and power distribution, power protection systems.
- Annual inspection of general aviation aircraft.
Part M
Our team of highly skilled engineers is responsible for the airworthiness control of over 120 aircraft, including multiple turbine and piston engines flying 90,000 hours per year.
Part 21 — Project & Engineering
Sevenair has the EASA PART 21 certification, Design Organisation Approval (D.O.A.). Our engineering department has the ability to evaluate, design, certify and execute “minor” changes, “major” changes, STC to light and heavy aircrafts such as avionics retrofits, cabin reconfigurations and major structural repairs.
Sevenair has the EASA PART 21 certification, Design Organisation Approval (D.O.A.). Our engineering department has the ability to evaluate, design, certify and execute “minor” changes, “major” changes, STC to light and heavy aircrafts such as avionics retrofits, cabin reconfigurations and major structural repairs.


Approvals List
40 different piston and turboprop aircraft from 17 different OEM
Beech 23 Series (Lycoming)
Beech 24 Series (Lycoming)
Beech 76 (Lycoming)
Britten-Norman BN2A Series (Lycoming)
Cessna / Reims Cessna 150/F150 Series (Continental)
Cessna / Reims Cessna 152/F152 Series (Lycoming)
Cessna / Reims Cessna 172/F172 Series (Continental)
Cessna / Reims Cessna 172/F172 Series (Laycoming)
Cessna / Reims Cessna 182/F182 Series (Continental)
Cessna / Reims Cessna 182/F182 Series (Lycoming)
Cessna 180 Series (Continental)
Cessna 185 Series (Continental)
Cessna 206 Series (Continental)
Cessna 210 Series (Continental)
Cessna 310/320 Series (Continental)
Cessna 400 Series (Continental)
Cessna T210 (Continental)
Commander 112 e 114 (Lycoming)
Diamond DA42 Series (Technify)
Dornier 228 (Honeywell TPE331)
Extra EA-300 Series (Lycoming)
Grob G115/120 Series (Lycoming)
Jetstream 31/32 (Honeywell TPE331)
Mooney M20 (Continental)
Mooney M20B to M20S/M22 (Lycoming)
PAC 750XL (PWC PT6)
Pilatus PC-6 (PWC PT6)
Piper PA 34 Series (Continental)
Piper PA-23 Aztec (Lycoming)
Piper PA-28 Series (Lycoming / Continental)
Piper PA-31, 32, 34, e 36 (Lycoming)
Piper PA-38 Series (Lycoming)
Pitts S-2 Series (Lycoming)
Shorts SD3 Series-30/SD-60 (PWC PT6)
Sikorsky 269/300 Series (Lycoming)
SOCATA Rallye Series (Lycoming / Continental)
SOCATA TB Series (Lycoming)
Tecnam P2002 (Rotax)
Tecnam P2006T (Rotax)
Tecnam P2008 (Rotax)
Tecnam P2010 (Lycoming)
Avionics

Services / Products
- VOR/ILS
- ADF
- TRANSPONDERS
- DME
- GPS
- VHF
- RADAR
- Alcaline Batteries
- ELT
- Altimeters
Components

Project & Engineering
Sevenair has the EASA PART 21 certification, Design Organisation Approval (D.O.A.). Our engineering department has the ability to evaluate, design, certify and execute “minor” changes, “major” changes, STC to light and heavy aircrafts such as avionics retrofits, cabin reconfigurations and major structural repairs.
CAPABILITIES
Equipment repair, certified to carry out repairs on all kind of Aircraft Communications and Navigation equipment, installed on light and heavy aircraft, covering most manufacturers.
We have the ability to carry out inspection work and upgrade the installed wiring as needed.
Our highly qualified staff has the skills to cover most engineering challenges within our core competences.
I&D – Research & Dev
We have the necessary infrastructure to develop, produce and test equipment in simulated and real flight conditions, combined with an engineering team bringing valuable experience in systems modelling, design and prototyping, proven by decisive work performed under previous unmanned aircraft related projects.
CAPABILITIES
Provides highly integrated next generation hardware/software solutions in Control, Navigation and Data Acquisition for the unmanned systems and light aviation markets.
Our engineering team can develop all kinds of customised electronic systems with full in-house work on firmware, software and hardware.
Our development process makes use of new technological approaches to provide flexibility of expansion, redundancy, upgradeability, precision and greater levels of robustness.
General Components
As a certified PART 145 organisation, Sevenair has the ability to perform maintenance to different types of aircraft included in its Technical Approval Certificate.
CAPABILITIES
Turbine engine aircraft (with MTOW above 5700 kg)
Piston engine aircraft – light and ultralight
Piston engine helicopters
Engine Overhaul
Our extensive experience in engine overhaul, accumulated over 20 years working with piston engines, allows us to offer our customers the highest quality of service and lifetime warranty.
CAPABILITIES
List PIN, all TCM and Lycoming TCM reciprocating engines.
Shock-loading inspection.
Carburettors, injection systems and fuel pumps.
Electrical accessories.
Maintenance, repair and overhaul of magnetos, ignition harnesses, starters and alternators.
Inspection, repair and overhaul of turbo charger systems and components.



Structural Repair
With an experience of more than 30 years, we are certified to perform heavy structural repair on most types of aircraft.
Aircraft Painting
We have years of experience painting light and medium aircraft, with certified quality, customised skin fuselage repair and specialised treatments.
CAPABILITIES
Painting of general aviation aircraft and helicopters, engines, landing gears, wheels, brakes and structural components.
Painting of components for machines and plant systems.
Preparation of components, surface treatment and blasting facilities.
Sourcing of special paints according to customer requirements.
Customised paint services.
Propeller Systems
We provide all services ranging from maintenance, repair and overhaul of small general aviation fixed-pitch propellers.
CAPABILITIES
Overhaul of fixed-pitch propellers made by Sensenich, Hartzell and McCauley.
Overhaul of propeller governors, feather pumps, etc.
Customised painting according to customer requirements.
Brakes & Wheels
Employing state-of-the art technology and holding all relevant approvals, our highly skilled engineers are able to perform maintenance and overhaul work on aircraft wheels and brakes.
CAPABILITIES
Overhaul of components used in commercial air transport, regional and general aviation according to manufacturer specifications.
Wheels overhaul according to the relevant Component Maintenance Manuals.
Tire mounting and tire management according to customer requirements.
Manufacturing and testing of brake disk pads.
Starters/Generators and Magnetos
We were the first Portuguese organisation certified to perform the 500 hours inspection and overhaul on all TCM and Slick magnetos. We also maintain, repair and overhaul Starters/Generators from all major manufacturers.
NDT’S – Non-Destructive Tests
We are certified to performs precision NDT’s inspection, (Boroscopie, Dye Penetrant, “Magnaflux”, Eddy Current and Ultra Sound Inspection) on any kind of parts. We are capable of training Level 2 technicians in our company.
Storage & Logistics
There are over 900 000 items in stock within our warehouse facility, allowing the company to quickly and precisely supply the needs of all continuous maintenance activities.