Aero Design Services Serving the aviation industry since 1989

About US

Aero Design Services was established in 1989 to offer professional engineering assistance and FAA approval of aircraft interior modifications. Aero Design Services specializes in design and FAA DER approval of interiors for projects ranging from executive aircraft components to entire interior installations on commercial transport aircraft.

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Bill Rathmanner
-FAA DER and President
-Aero Design Services
-St. Petersburg, FL

As president of Aero Design Services, Bill Rathmanner's 35 years experience in the aircraft interiors industry has led the development of numerous interior configuration STC's held by Aero Design as well as obtaining product STC's and PMA on behalf of its customer base.

Bill is an Aeronautical Engineering graduate with aircraft structures concentration at Embry Riddle Aeronautical University in Daytona Beach. He received the Provost Award with honors for academic achievement in his class. After working at Gulfstream Aerospace in Savannah through the co-op engineering program during college, he began his career in 1981 at Eastern Airlines with responsibility for the entire fleet galley designs and changes. After accepting additional interiors responsibilities, Bill was promoted to Manager of Interiors Engineering in 1986. Shortly after, Bill obtained his Structures DER.

In 1991, Bill began consulting for airlines providing aircraft interiors assistance and certification services. Bill has attended and participated in many ATA and SAE industry meetings about interiors subjects ranging from escape path lighting and protective breathing equipment to dynamic seats. He also attended the FAA training on dynamic seat testing at the CAMI facility in Oklahoma City.

Bill's DER appointment now includes Structures, Mechanical Systems and Equipment, Interior Configurations and Compliance Inspections, PMA by Identicality and FAR25.562 (dynamic seat installation approval).


Pedro Acevedo
-Lead Engineer
-Aero Design Services
-Melbourne, FL

After attending Embry Riddle Aeronautical University, Pedro Acevedo joined Aero Design Services in 2007 as a drafter/liaison engineer for galley modifications. Soon after, Pedro took the position as Lead Engineer at the satellite on-site hangar/office coordinating all interiors engineering functions pertaining passenger and crew accommodations, equipment, furnishing materials, in-flight entertainment system and processes used on the aircraft. He is also responsible for preparing engineering orders, drawings, Layout of Passenger Accommodations (LOPAs), interface loads reports, FAR compliance reports, and cabin compliance inspection checklists.

Pedro leads a team of engineers using creativity to form productive teams and inter-company collaboration for structural, electrical and systems design solutions and certification of aircraft interiors including Boeing 737, 747, 767 and 777.


Rene Arreaza
-FAA DER and Director of Engineering
-Aero Design Services
-Bethesda, MD

Rene Arreaza is an Aerospace Engineering graduate from Embry-Riddle Aeronautical University in Daytona Beach, FL. He began his career at an FAA Repair Station as an engineer. In 2001, Rene joined Aero Design Services. He has worked on more than 200 interior modification projects for various Boeing, Airbus and Douglas aircraft models. He is responsible for managing STC projects and preparing certification plans, structural substantiation reports, test plans, Layout of Passenger Accommodations (LOPA) and cabin compliance inspection reports.

In 2008, Rene obtained his master's degree in business administration from The George Washington University in Washington, DC. This degree provided him with the managerial skills necessary to lead our team of engineers and CAD designers to the successful completion of major interior modification projects of transport category airplanes.

Rene was recently appointed FAA DER by the New York ACO.

Jonathan Velez
-Aero Design Services
-Melbourne, FL

Jonathan is a draftsman and designer from Daytona State College in Daytona Beach, FL. Jonathan has worked in various industries including architectural and mechanical design. He has also spent some time troubleshooting different electrical systems. Over the years, Jonathan has managed to become a good asset in various teams assisting in structural and electrical engineering departments. His experience in drafting ranges from all types of technical documentation, in 2D and 3D, from fabrication, assembly, and installation drawings for structures to electrical wiring diagrams for different systems. He also works to present written documentation of EOs for performance of tasks and is fluent in Spanish.

Jonathan joined Aero Design Services in 2011. As a well rounded part of the engineering team, he assists in producing documentation and drawings for several modifications of interior configurations. He is also highly involved in reviewing information to meet specific customer needs and works with the team to produce engineering packages for various projects.

Geng Li
-Stress Engineer
-Aero Design Services
-Melbourne, FL

Geng Li came to the United States from China in 2007 to study at Embry-Riddle Aeronautical University, Daytona Beach, Florida on a scholarship. At Embry-Riddle Aeronautical University, he obtained both a bachelor degree with magna cum laude and a master degree in aerospace engineering. His area of concentration was in aircraft structural mechanics which equipped him with the knowledge in both classic hand calculation and computational finite element method in stress analysis.

Geng Li joined Aero Design Services in July 2012 where his responsibilities included performing structural analysis and preparing technical document for aircraft approval.

Geng speaks fluent Chinese (mandarin).


Available Upon Request