R.C.Allen

Adams Aviation is proud to be the UK and Europe’s leading supplier of R.C. Allen instruments, manufactured by the renowned Kelly Manufacturing Company (KMC) — a name synonymous with precision, durability, and trust across the global aviation industry.

With FAA-licensed repair stations and manufacturing facilities in both Wichita and Grenola, Kansas, KMC has built a legacy of excellence, supplying high-quality flight instruments for both general aviation and military applications. The R.C. Allen product line includes a wide range of critical cockpit instruments such as attitude indicators, directional gyros, turn coordinators, and vacuum gauges — each engineered to deliver consistent performance under the most demanding conditions.

Known for their mechanical reliability and compact design, R.C. Allen instruments are often chosen for both OEM production and retrofit upgrades. KMC’s continuous innovation is showcased in the cutting-edge RCA 2600 Series Digital Horizon, offering enhanced visibility and vibration resistance, and the Emergency Standby Power (ESP) battery backup system, providing vital redundancy when it's needed most. With R.C. Allen products, pilots and engineers can rely on dependable, time-tested instruments that meet the highest standards in aviation. As a leading distributor, Adams Aviation ensures fast availability, technical support, and trusted service across the UK and Europe.