Custom Maintenance Manual Development
FAA-compliant maintenance manuals tailored to your specific aircraft battery systems, including detailed procedures for Ni-Cad and Lead-Acid batteries with step-by-step instructions and safety protocols.
Ensure peak aircraft battery performance with Ni-Cad Systems' comprehensive maintenance manuals and specialized training services. With over 50 years of aviation battery expertise and FAA-approved methodologies, we deliver the technical documentation and hands-on instruction your team needs to maintain Ni-Cad and Lead-Acid batteries safely and effectively, maximizing operational readiness.

Comprehensive battery maintenance solutions including technical manuals, hands-on training, and compliance documentation for aviation professionals.
FAA-compliant maintenance manuals tailored to your specific aircraft battery systems, including detailed procedures for Ni-Cad and Lead-Acid batteries with step-by-step instructions and safety protocols.
Comprehensive training programs led by FAA DER-certified instructors covering capacity testing, deep-cycling, troubleshooting, and emergency procedures for all aircraft battery types.
Complete regulatory documentation packages including Part 145 compliance procedures, FAA-PMA referenced materials, and audit-ready record-keeping systems for your battery maintenance operations.
Our maintenance manuals and training programs are developed by FAA Designated Engineering Representatives with over 40 years of hands-on Ni-Cad battery servicing experience. Every procedure reflects real-world best practices from servicing 47,000+ aircraft batteries across corporate, airline, and military sectors. We translate complex technical requirements into clear, actionable documentation and training that keeps your maintenance teams confident and compliant.

Over five decades of aviation battery expertise translated into practical training and documentation.
Training developed by FAA Designated Engineering Representatives with 40+ years of aircraft battery expertise.
Real-world procedures refined through servicing thousands of aircraft batteries across all aviation sectors.
Deep regulatory knowledge from maintaining extensive Parts Manufacturer Approval portfolio ensures compliance-focused documentation.
Ongoing support for trained teams with round-the-clock access to our battery specialists for urgent questions.
Led by aviation battery industry veterans with decades of hands-on experience.

President/Owner
As President and Owner of Ni-Cad Systems, Inc., Helena Andrues leads one of aviation's most trusted battery testing and service facilities. Under her leadership, the company has maintained its commitment to excellence that began with her father's founding vision in 1974. Helena oversees operations at the FAA Part 145 approved facility, ensuring that every battery tested meets the rigorous standards demanded by corporate, airline, and military aviation customers. Her dedication to quality and customer service has helped the company surpass 47,000 units serviced while maintaining the fast turnaround times and 24/7 AOG support that aviation professionals depend on. Helena's hands-on approach and deep understanding of the aviation industry ensure that Ni-Cad Systems continues to adapt and innovate to meet evolving customer needs.

Vice President/General Manager
Stephen Andrues brings exceptional credentials to his role as Vice President and General Manager, including FAA Designated Engineering Representative (DER) status, A&P mechanic certification, and pilot credentials. With 40 years of specialized experience servicing Nickel Cadmium aircraft batteries, Stephen holds over 30 FAA-PMA approvals that demonstrate his technical expertise and innovation in aviation battery systems. His deep understanding of both the engineering and operational aspects of aircraft power systems allows him to oversee the technical operations of Ni-Cad Systems' FAA-approved facility with unmatched precision. Stephen's combination of hands-on mechanical experience, engineering knowledge, and pilot perspective gives him unique insight into the critical importance of reliable battery performance. He personally ensures that every battery tested meets the highest standards of aviation safety and reliability, maintaining the company's reputation for quality that has been built over five decades.
Our training programs comprehensively cover both Ni-Cad (nickel-cadmium) and Lead-Acid aircraft batteries, including all major manufacturers such as SAFT, Marathon, Varta, Concorde, and Gill (Teledyne). We can customize training for any specific battery type your operation uses.
Contact our training specialists to discuss your specific maintenance documentation and training needs.
Certified repair facility with rigorous quality standards
Extensive Parts Manufacturer Approval portfolio
Five decades of aviation battery expertise
Contact us today to discuss custom training programs and maintenance manual development for your aviation operation.
For immediate assistance, feel free to give us a direct call at +1 510 785 9391. You can also send us a quick email at Sandrues@aol.com.
For immediate assistance, feel free to give us a direct call at +1 510 785 9391. You can also send us a quick email at Sandrues@aol.com.