Precision-Driven Engineering Expertise for Aircraft and Engines

At Avisence LLC, we provide comprehensive engineering solutions tailored to support aircraft and engine operations with cutting-edge technical expertise, regulatory compliance, and customized modifications. Our team of FAA, EASA, and other regulatory-certified engineers, DARs, and DERs delivers innovative, data-driven solutions that optimize fleet performance, enhance safety, and maximize asset value.

Aircraft and Engine Modification & STC Development

Customized Engineering Solutions for Operational Optimization

We specialize in engineering modifications, structural and avionics upgrades, and Supplemental Type Certificate (STC) development, ensuring that aircraft and engines meet operational, regulatory, and efficiency requirements. Our team works closely with OEMs, operators, and lessors to provide certified, high-value modifications that enhance aircraft performance and marketability.

  • Avionics & Communication Upgrades (FMS, ADS-B, SATCOM, etc.)
  • Interior & Cabin Reconfigurations (Seating, IFE, Connectivity, etc.)
  • Weight & Balance Analysis & Optimization
  • Structural Modifications & Component Retrofits
  • Custom STC & Engineering Bulletins Development

Reliability Engineering & Fleet Optimization

Maximizing Performance & Cost Efficiency

Our reliability engineering services focus on data-driven fleet optimization, identifying performance trends, failure patterns, and cost-saving opportunities. Through predictive analytics and proactive maintenance planning, we enhance aircraft availability and minimize operational disruptions.

  • Fleet Health Monitoring & Predictive Analytics
  • Reliability & Performance Trend Analysis
  • Maintenance Cost Reduction Strategies
  • Engine & APU Condition Monitoring Programs
  • Data-Driven Maintenance Interval Optimization

Airworthiness & Certification Compliance

Ensuring Regulatory Conformity for Aircraft & Engine Operations

With a team of certified engineers, DARs, and DERs, Avisence LLC provides engineering support for airworthiness approvals, certification compliance, and continued operational safety. We assist in navigating regulatory complexities, ensuring assets remain in full compliance with FAA, EASA, CAAC, and other aviation authorities.

  • Airworthiness Directive (AD) & Service Bulletin (SB) Compliance
  • Major & Minor Repair Approvals (FAA DER, EASA DOA Support)
  • Operational & Performance Certification Validation
  • Configuration Control & Aircraft Modification Approval
  • Export & Import Airworthiness Certification

Engineering Support for Aircraft Transitions

Technical Oversight for Lease Returns, Deliveries & Conversions

Our engineering team supports lease transitions, conversions, and technical bridging programs, ensuring seamless fleet integration and compliance with lessor and regulatory requirements.

  • Engineering Workscope Definition for Lease Transition
  • Modification Bridging & Compliance Engineering
  • Passenger-to-Freighter (P2F) & VIP Conversions Support
  • Aircraft Structural Evaluations & Damage Assessments
  • MRO & Shop Visit Engineering Oversight