What We Offer

121 Engineering Solutions LLC

ENGINEERING SERVICES

Extensive ATA support capabilities in the areas of Airworthy Directives (ADs), Service Bulletins (SBs), Engineering Orders (EOs), Supplemental Type Certifications (STCs), Parts Manufacturer Approval (PMAs), Repair Approvals, Code of Federal Regulations (CFRs), Certification of Maintenance Requirements (CMRs), Substantiation, Damage Tolerance, Work Cards, and more.

DOCUMENTATION SERVICES

Extensive Aircraft Documentation support capabilities for aircraft storage, out of service aircraft, data management, regulatory compliance, new aircraft inductions, new aircraft fleets, aircraft returns, lease acceptance, lease returns, aircraft manuals, aircraft records, component manuals, Airworthy Directive (AD) summaries, and more.

121 Engineering Solutions LLC

REGULATORY COMPLIANCE

Extensive support for Airworthy Directives (ADs), Service Bulletins (SBs), Engineering Orders (EOs), Supplemental Type Certifications (STCs), Parts Manufacturer Approval (PMAs), Repair Approvals, Code of Federal Regulations (CFRs), Certification of Maintenance Requirements (CMRs), Substantiation, Damage Tolerance, Aging Aircraft Inspections, Quality Assurance, New Fleet Types, Work Cards, FAA DER/DAR approvals, and interfacing, and more.

121 Engineering Solutions LLC

FAA DER and DAR Consulting Services

Services of our FAA Designated Engineering Representatives (DERs) and Designated Airworthiness Representatives (DARs) are available that cover most ATA Chapters and Technical Disciplines such as Systems and Equipment Engineering, Interiors, and Structural Engineering. Please contact us for additional information.

121 Engineering Solutions LLC

AIRCRAFT FUEL TREATMENT PROGRAMS

121 Engineering Solutions can offer innovative cost-saving fuel treatment programs and capabilities for aircraft returning to service, aircraft going out of service, and in-service aircraft. Please contact us for more information.

121 Engineering Solutions LLC

AIRCRAFT IN-FLIGHT VIBRATION TESTING AND ANALYSIS

121 Engineering Solutions can offer innovative cost-saving in-flight vibration testing equipment with experienced personnel to locate and isolate problematic in-flight aircraft vibrations to minimize out of service aircraft costs. This highly specialized equipment can eliminate the labor, time, and costs of conducting multiple flight tests sometimes necessary to locate, isolate, and repair in-flight aircraft vibrations. Please contact us for more information.

121 Engineering Solutions LLC

Aircraft Livery Paint and Markings Support

121 Engineering Solutions can offer Aircraft painting procedures (Engineering Orders) along with maintenance repairs for base and line mechanics.

We also can support new and special livery design and documentation with rebranding/debranding for lease return and decommission aircraft. We offer a turnkey, state of the art, exterior maintenance markings documentation and repair procedure package for ease of maintaining the fleet at the base and in the field. In addition, we can provide paint facility liaison and representation for the airline.

121 Engineering Solutions LLC

Flammability Testing and Reporting

121 Engineering Solutions can offer DER supported material flammability testing and reporting services.

121 Engineering Solutions LLC

AIRLINE, AIR CARGO, AND BUSINESS JET SUPPORT

121 Engineering Solutions LLC

121 Engineering Solutions offer unique experiences such as serving on the FAA Performance Aviation Rule Making Committees and being deemed as “Subject Matter Experts” for major airlines.

121 Engineering Solutions offers additional support capabilities in the areas of:

  • Airworthiness Directive (AD) Implementation and Compliance
  • Aircraft Electrical Load Analysis
  • Aircraft Maintenance Procedure Manuals
  • Aircraft Maintenance Program Reviews and Technical Guidance
  • Aircraft Maintenance Projects and Tasks
  • Aircraft Minimum Equipment List (MEL)
  • Aircraft Modifications
  • Aircraft Monitoring Systems and Development
  • Aircraft Troubleshooting for Missing or Corrupt Aircraft Data
  • Aircraft Wiring and Technical Guidance
  • Engineering Order (EO) Implementation and Compliance
  • Part and System Repair Procedure Analysis, Approvals, and Work Cards
  • Service Bulletin (SB) Implementation and compliance
  • Service Information Letter Implementation
  • Troubleshooting for Multiple Aircraft Systems (See ATA Chapters)

Aviation Supplier Support

121 Engineering Solutions offers extensive experience with Fortune 500 Aviation Suppliers in the development of innovative part and part repair programs.

These numerous part and part repair developments and programs have generated millions in new sales revenues, with millions gained in maintenance and reliability cost savings by the aircraft operators. 

121 Engineering Solutions offers experienced Engineering, Documentation, Flammability Analysis and Testing, and FAA DER/DAR support for Supplemental Type Certifications (STCs), Parts Manufacturing Approvals (PMA), and various Part Repair programs. Please contact us for more information.

121 Engineering Solutions LLC