Government and Commercial Aircraft

Government and Commercial Aircraft Certification R4 has extensive experience providing Government and Commercial Aircraft Certification and Integration Services. R4 provides a turnkey design and integration solution that encompass communications, navigation, sensor systems, SIGINT, ELINT, Aircraft Survivability Equipment (ASE), and structural modifications. R4’s engineering capability is built upon a core staff, each with over 25 years…

Read More

Radome and Antenna Modifications

Radome and Antenna Modifications R4 provides turn-key radome design, integration and certification support and have experience designing external modifications to minimize risk for bird-strike, vibration and buffet, ice accretion, effect on aircraft handling qualities and performance.

Read More

Reverse Engineering

 Reverse Engineering R4 is experienced in the reverse-engineering of aircraft geometries. Depending on fidelity requirements, we can produce 3D models of aircraft outer mold lines (OML) using a variety of sources and provide turn-key 3D model development using laser-scan and other metrology techniques. This includes development of smoothed aerodynamic lofts from noisy laser scan data.

Read More

Aircraft Design and Configuration

Aircraft Design and Configuration R4 maintains a full suite of preliminary design methods for the sizing and assessment of new aircraft configurations. Our inverse design methods incorporate our low and high-order CFD methods to quickly and efficiently localize an optimum configuration.

Read More