NAASCO Advanced Starter Generator Repair & Overhaul Solutions for Commercial & Military Aircraft

Our ETR-20™ and ETR-25™ Mercury Mod™ Improvements

NAASCO’s ETR-20™ and ETR-25™ Mercury Mod™ are groundbreaking solutions designed to address one of the aviation industry’s biggest challenges: frequent starter generator brush replacements. These proprietary modifications utilize ETR Motor Repair Solutions, which enhance brush life, reduce commutator wear by up to 90%, and extend the time between overhauls (TBO)—saving operators thousands of dollars in unnecessary maintenance costs and improving fleet uptime.

• Enhancing OEM Performance/Reliability
• 1,000 Hour – No Brush Change Guarantee
• Lowest Lifecycle Operational Cost in the Industry
• Dual Release 8130-3 Tag
• Guaranteed Turn times
• Overhaul & Repair
• Exchange & Outright Purchase
• Sell Your Core
• 24/7 Customer Service

Our Mercury Mod™ cooling modification is designed to significantly improve starter generator cooling efficiency, enhancing reliability and reducing the frequency of failures due to overheating. These upgrades apply to a wide range of starter generators, including 150-amp, 160-amp, 200-amp, and 300-amp units by leading manufacturers like Bendix, Lucas/Goodrich, Safran Power, and Thales.

Quantifiable Benefits:

• Reduce brush replacement frequency by up to 60%, saving you valuable maintenance time.
• Extend generator life by up to 2x, with some units lasting over 3,000 hours of service.
• Increase fleet uptime with faster turnaround times thanks to our guaranteed turn-time.
• Lower lifecycle operational costs with custom overhaul solutions.

Why Choose NAASCO?

• Proven Technology: Our ETR-20™ and ETR-25™ Mercury Mod™ have been FAA-approved and widely adopted across the aviation sector.
• Customized Solutions: We tailor our approach to meet the needs of different amperage starter generators, ensuring you get the most effective upgrade for your equipment.
• Reduced Downtime: Our 8130-3 tags guarantee that all repairs and overhauls meet stringent aviation standards for safety and quality, minimizing potential operational disruptions.

Success Stories and Customer Testimonials

Hundreds of clients have already experienced the reliability of our starter generator improvements. Customers in the military, commercial aviation, and private sectors have reported dramatic reductions in downtime and maintenance costs. [Insert testimonial from a customer highlighting the effectiveness of the ETR improvements]

How It Works
Our advanced repair process applies unique ETR™ carbon brushes and proprietary modifications to improve internal airflow, reduce brush wear, and enhance cooling. The benefits are clear—less maintenance, and more uptime.

Ready to Improve Your Aircraft’s Performance & Reliability?

Take the next step toward reducing downtime and cutting maintenance costs.

• Request a Free Quote – Get a tailored assessment and cost estimate for your starter generator repair or overhaul today.
• Contact Our Experts – Have questions? Speak directly with one of our knowledgeable technicians to find the right solution for your aircraft.

Download the Full Technical Brochure – Learn more about our ETR-20™ and ETR-25™ Mercury Mod™ technology and see how it can extend the life of your starter generator.

Do your Armature and Brushes look like this after 1,281 hours?

• Actual photo of armature commutator and NAASCO’s ETR™ brushes removed from unit with 1,281 hours of service (original set of brushes since overhaul). Starter generator was overhauled with our advanced ETR-20™ and ETR-25™ Mercury Mod™
• Commutator wear measured at .006″ (compared to typical wear of .040″ to .055″ with abrasive OEM carbon brushes). Note that wear indicator line from our ETR™ brushes shows 37% brush wear with a life expectancy 3,254 hours.