Kanto Aircraft Instrument Co., Ltd.

Kanto Aircraft Instrument Co., Ltd. is a Japanese company founded in 1952 as an aircraft instrument repair manufacturer. It operates in Fujisawa, Kanagawa, and its mainstay product is the flight data recorder (FDR), alongside products such as TACAN navigation equipment, telemeter equipment, autopilot equipment, gimbal equipment, electronic equipment, and test and measurement equipment, centered on defense products. Its shareholder is Ishikawa Seisakusho, Ltd.

The company was founded in 1952 as Nippon Air Carrier Service Co., Ltd. In 1956 it changed its trade name to Kanto Aircraft Instrument Co., Ltd. In 1957 it obtained a business license following the revision of the Aircraft Manufacturing Business Act. It began manufacturing attitude and heading reference systems for the P-2J in 1967, autopilot equipment for the P-3C in 1978, space stabilization equipment for Japan Coast Guard patrol vessels in 1991, flight data recorders for the SH-60J in 1993, and TACAN navigation equipment for the UH-60JA in 1995. It relocated its head office to its current location in 1996. It obtained JIS Q 9001 certification in 1998, JIS Q 9100 aerospace quality management system certification in 2003, and JIS Q 14001 environmental management system certification in 2004. It began manufacturing lithium-ion battery monitoring equipment for the Boeing 787 in 2005, MCP (mode control panels) for the P-1 in 2011, flight control panels and other equipment for an advanced technology demonstrator aircraft in 2012, flight information processing equipment for the UH-60J in 2013, and telemeters for the 12SSM guided missile and MCPs for the C-2 in 2014. It began manufacturing telemeters for a new ship-to-ship guided missile in 2016, flight information processing equipment for the SH-60K in 2018, F-2 MDR (mission data recorders) in 2018, and submarine joysticks in 2018. It began manufacturing WMCU (warning message control units) for the F-2 in 2022, development of a flight control device with built-in sensors for target drones in 2024, and manufacturing of VPX-compliant modules for aircraft-mounted computers in 2025.

Defense-sector aviation instrument manufacturer with a stated No.1 share in Japan for flight data recorders.

• Flight data recorder (FDR)

  Mainstay product with stated No.1 share in Japan.

• TACAN navigation equipment

• Telemeter equipment

• Autopilot equipment

• Gimbal equipment

• Electronic equipment

• Test and measurement equipment

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