IMPORTANT NOTICE: MOOG Ends support for Legacy S-TEC Autopilot Systems
MOOG (Formerly S-TEC) has officially announced that as of 30 September 2026, manufacturer support for a range of legacy S-TEC autopilot systems will cease.
*repairs completed by MOOG before 30 september 2026 will continue to be covered by a 90-day warranty.
Affected Legacy S-TEC Autopilot systems
The following legacy S-TEC autopilot products are impacted by the manufacturer's End of Life (EOL) announcment:
S-TEC System 20
S-TEC System 30
S-TEC System 40
S-TEC System 50
S-TEC System 55X
S-TEC System 60
S-TEC System 65
In Addition, all new orders, service support and product enquiries relating to S-TEC 3100 Digital Autopilot have transitioned to Innovative Aerosystems.
What does this mean for aircraft owners and operators?.
As manufacturer support for legacy autopilt systems comes to an end, aircraft owners, operators and maintenance providers may face challenges including:
Reduced Availabilty of replacement parts
Increased aircraft downtime
Limited factory repair options
Rising maintenance costs
Difficulty sourcing technical support for ageing avionics systems
For manu aircraft, the auopilot is ac ritical safety and workload-reduction system. Continued access to technical expertise and repair solutions is essential to maintaining aircraft reliabilty and operational capabilty.
COMPLETE AVIONICS continues to support Legacy S-TEC Systems
The end of manufacturer support does not necessarily mean the end of operational support.
At Complet Avionics, We remain comitted to assissting aircraft owners and operators with the maintenance, troubleshooting, repair and ongoing support of legacy S-TEC autopilot systems wherever solutions exist.
Our experianced avionics team provides:
Lgacy S-TEC autopilot troubleshooting and technical support
repair pathway indentification for obsolete avionics components
rotable spare parts and exchange units
Aircraft downtime reduction strategies
Avionics upgrade and retrofit recommendations
Ongoing supprt for aircraft owners affected by the S-TEC EOL Announcment.
Extensive rotable sprae parts inventory
Complete Avionics maintains a substantial inventory ot servicable S-TEC rotable Components, allowing us to provide replacement solutions where available.
This helps customers:
Minimise aircraft downtime
Reduce maintenance delays
Improve aircraft availabilty
Better manage maintenance costs
Looking beyond legacy systems? Consider an Autopilot Upgrade
With support for ageing autopilot systems becoming increasingly limited, now may be the ideal time to consider an avionics modernisation program.
Complete avionics can assisst with OEM-Approved autopilot retrofit and cockpit upgrade solutions that enhance:
Flight Safety
Reliabilty
Situational Awareness
pilot workload management
Long-term aircraft supportability
Aircraft value and operational capability
Modern avionics solutions can transform legacy aircraft with today's advanced digital flight control and cockpit technologies while ensuring ongoing manufacturer support.
NEED HELP WITH AN S-TEC AUTOPLIT ISSUE?
If you are experiancing problems with an S-TEC autopilot, require technical advice, need replacment components, require repair, or considering an avionics upgrade Contact Complete Avionics Today.
Our team is ready to help keep your aircraft safe, compliant and flying.
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