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Karem Aircraft

Optimum Speed Tiltrotor aircraft developer in Glendale, California

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About Karem Aircraft

Karem Aircraft is an aircraft developer and manufacturer based in Lake Forest, California. The company was founded in 2004 by Abe Karem. It develops advanced fixed-wing and rotary-wing aircraft, including manned and unmanned tiltrotors for commercial and military markets.

The company's core technology is the patented Optimum Speed Tiltrotor, called OSTR. The site says this design combines the fast, efficient operation of fixed-wing airplanes with the hover capability of helicopters. The site describes the work as hardware development for large-scale tiltrotor technology.

The site says Karem is a participant in the U.S. Army's Joint Multi-Role Technology Demonstration program. It says the company is developing large-scale tiltrotor technology through a funded hardware program in support of Future Vertical Lift.

The site lists other recent work. This includes DARPA's VTOL X-Plane program and the DoD's Joint Heavy Lift and Joint Future Theater Lift programs. Privately funded projects include the AeroTrain and AeroCommuter Optimum Speed Tiltrotors, intended for commercial passenger transportation.

The site says Abe Karem earlier founded Leading Systems and Frontier Systems. Leading Systems developed the Amber and GNAT 750, predecessors of the General Atomics MQ-1 Predator. At Frontier Systems he led development of Optimum Speed Rotor technology and the A160 Hummingbird unmanned aircraft, now owned by Boeing.

The site lists headquarters in Lake Forest, California, with offices in York, Virginia and Victorville, California. The phone number is 949-859-4444. The site has a careers page with current openings and states that the company is an equal opportunity employer.

The site says the company is headquartered in Orange County, California, with offices in York, Virginia and Victorville, California. It describes its team as engineers, technicians and professionals who work on innovative vehicles and improved mobility. The site also lists a careers page and a media contact. The site lists a contact form with subject options for general inquiries, media and press, business development and other topics. The site also describes Karem as a company that creates the future of mobility.

Location

Karem Aircraft, 5627 W. San Fernando Road, Glendale, CA 91232, USA

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Shows where Karem Aircraft exhibits or has exhibited

All aviation events
2
events
1
country
1
as sponsor
  • Modern Day Marine

    Modern Day Marine

    13 to 15 April 2027 · Washington, United States

    Stand 1401

    View event
  • VFS Forum 83

    VFS Forum 83

    Exhibited in 2026. Next edition 11 to 13 May 2027 · Phoenix, United States

    Sponsor2026 list; 2027 not published yet

    View event

From the organisers’ published exhibitor and sponsor lists.

Event types: Defence and security (1), Helicopters (1). Browse the calendar

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