The first piece of the domestic C919 large passenger aircraft landing gear was delivered to China Commercial Aircraft in Liebherr, China, Changsha, Changsha, Hunan Province (hereinafter referred to as Liebherr Zhonghangqi). It marks the beginning of a new substantive phase of cooperation between the aviation industry landing gear and Liebherr-Aerospace.

Representatives of companies involved in the delivery ceremony

On the same day, the first piece of the domestic and main landing gear of the C919 aircraft was delivered after the assembly, test and inspection were completed. At the delivery ceremony, Liebherr's representative of China Airlines and Liebherr and China Commercial Aircraft signed a landing gear system delivery agreement, and signed an ARJ21 landing gear supplier cooperation agreement with the aviation industry landing gear and Liebherr of Germany.

CR929 landing gear

At the same time, the parent company of both parties has confirmed that Liebherr China Aviation will be the first-tier supplier to bid for the CR929 landing gear project. Liebherr is currently taking the lead in organizing the RFP stage bidding work.

Philippe Liebherr, the third generation successor of the Liebherr Group

On behalf of the aviation industry, Luo Ronghuai expressed his congratulations and delivered a speech to the first domestic C919 aircraft landing gear from Liebherr.

The aviation industry will further deepen the cooperation with domestic and foreign companies such as COMAC and Liebherr. The aviation industry has been committed to the development of China's aviation industry, actively participates in the national large aircraft project, actively promotes international cooperation, and will unswervingly establish good cooperative relations with world-renowned enterprises, further promote the development of China's aviation industry, and build a global community of destiny. Output. At the same time, the aviation industry will unswervingly implement the military-civilian integration strategy, integrate it into the local economy, and boost local economic development.

Opening ceremony

It is understood that Liebherr China Aviation was established in Changsha, Hunan Province in 2011, and was established by Germany Liebherr-Aerospace Lindenberger and AVIC Aircraft Landing Gear Co., Ltd., each holding 50% of the shares, the domestic C919 aircraft project landing gear system is The ties will further strengthen communication and exchanges with domestic and foreign suppliers, and promote domestic enterprises and international suppliers to participate in the bidding of large-scale passenger aircraft projects in the form of joint teams, optimize and integrate various scientific and technological resources and production factors.

The road to struggle

In early 2017, Liebherr-Aerospace Lindenberg began discussions on the establishment of the C919 assembly line in Changsha, China, and planned the line action map. In the second half of the year, Liebherr personnel and the joint venture team discussed the C919 assembly line several times. The C919's tooling and fixtures began to be in place in early 2018.

C919 front landing gear

In order to meet the requirements of China Commercial Aircraft's C919 flight test maintenance process, Liebherr decided to start repair work for the front landing gear of the C919 AC101 aircraft in Changsha, China (code TA09 TA10). The joint venture team made the site, tooling, During the preparations for chemicals, parts and components, the two teams conducted several rounds of meetings on procurement, logistics, process technology, production preparation, import and export filing, establishing checklists, identifying plans and implementing them.

C919 aircraft main landing gear

In April 2018, the C919 AC101 mission was officially launched within the joint venture company. In May, representatives of China Commercial Aircraft and CAAC Bureau came to Changsha to conduct on-site witness audits. The joint venture company also participated in this audit activity. After many communication and review, AC101 successfully completed and passed the inspection of authorized representative of CAAC Bureau. The successful completion of the TA mission marked the condition that the joint venture company had the assembly of the late C919 AC series landing gear.

Obtain airworthiness approval

At the beginning of July 2018, the C919 AC104 material was gradually put in place. The Liebherr technology, quality and assembly team arrived at the joint venture company. The two parties began to assemble the AC104 front and main landing gear.

The following month, COMAC and CAAC Bureau auditors conducted a conformity inspection of the assembly process of the C919 AC104 in the joint venture company and witnessed the filling and testing process.

Joint venture team photo

In September 2018, the Shanghai Airworthiness Certification Center DMIR conducted a manufacturing conformity check on the AC104 after the final inspection, and issued an approval release certificate/airworthiness approval label. They took only three months from the end of the C919 AC101 maintenance test to the completion of the AC104 assembly.

The delivery of the first piece of the domestic C919 aircraft landing gear is a milestone, which indicates that Liebherr China Aviation has successfully opened the assembly test production line of the domestic C919 aircraft landing gear after successfully delivering the ARJ21, and developed into the next stage for the Chinese business. The first-tier supplier of the fly has taken another solid step forward. (This article is from Liebherr)