Japan Airlines (JAL) has renewed its agreement with Embraer, a Brazilian aircraft manufacturer, to support the maintenance, repair, and supply of spare parts for its 32 E-Jets operated by its regional subsidiary, J-Air. This agreement is part of Embraer's Pool Program, which provides a shared inventory of repairable components to reduce aircraft downtime and ensure quick access to critical parts in case of unexpected issues. The program aims to improve the reliability and efficiency of aircraft operations by allowing JAL and J-Air to draw from a centralized stock of parts, supplemented by inventory locations closer to where the planes are operated. Yuta Kawaguchi, Executive Officer and vice president of JAL Engineering Co. Ltd, emphasized that the renewal of the agreement reaffirms JAL's commitment to maintaining high-quality components and ensuring the safety of its air operations. The 32 E-Jets are operated by J-Air, a fully owned subsidiary of JAL based at Osaka-Itami Airport. J-Air uses 18 Embraer 170 and 14 Embraer 190 aircraft, offering different seat configurations to better match passenger demand on regional domestic routes. This flexibility allows J-Air to avoid using larger single-aisle aircraft like the Boeing 737 or Airbus A320 for shorter trips. J-Air connects many secondary Japanese cities, including Akita, Aomori, Nagasaki, and several islands such as Amami Oshima and Tanegashima. These routes are vital for connecting remote and island regions where rail networks are not feasible. The E170, introduced by J-Air in 2009, is well-suited for short- and medium-haul domestic flights, with a range of 2,600 kilometers and a cruise speed of about 800 km/h. Spare parts availability is crucial in regional air transport, as it directly affects flight punctuality. Under the Pool Program, operators can access a shared set of parts managed by the manufacturer, reducing the need for individual inventory and enabling a more responsive repair and replacement system. This is especially important for J-Air, which operates many daily flights on a tight domestic schedule. Embraer reports that JAL's E-Jets have achieved an average service reliability rate of 99.8% in the past six months, highlighting the effectiveness of the Pool Program in maintaining aircraft availability. The renewed agreement with Embraer marks a continuation of a long-standing partnership between JAL and the Brazilian manufacturer, which began nearly 20 years ago. The E-Jets have become a key part of J-Air's operations, with the Japanese group expanding its fleet by ordering additional E170 and E190 aircraft in 2014. For Embraer, the contract represents a strategic presence in the Asia-Pacific region, where more than 15 airlines across seven countries now operate E-Jets. The Brazilian manufacturer has been active in the region since 1978, when its first aircraft were deployed in Asia-Pacific.