In October 2007, the company laid off between 100 and 150 contract workers and employees, about 10% of its workforce. In November 2007 subcontractor Hampson Aerospace, which built the tail assembly for the Eclipse 500, filed a suit against Eclipse alleging that Eclipse had not paid them for work completed.
During 2007 Eclipse produced 104 aircraft and claimed a record for building its "first 100 airplanes faster than any GA jet aircraft manufacturer in history."
Founding president and CEO Vern Raburn resigned as a condition of a financing package by European Technology and Investment Research Center (ETIRC) Aviation, which had invested more than US$100 million in Eclipse in 2008. Raburn announced his resignation at AirVenture on Monday, July 28, 2008. The new CEO, Roel Pieper, the chairman of the board of directors and president of ETIRC, said that the company should be profitable by the first quarter of 2009.
Despite orders for the aircraft, the company announced in August 2008 that development of the Eclipse 400 was on hold and it had not started the certification process. The company declared it had not spent any of the deposit money for the Eclipse 400, but the deposits were later the subject of legal action.
On Wednesday, August 20, 2008, Hampson Aerospace closed its Grand Prairie production plant, leaving Eclipse without a supplier of tail sections.
On August 22, 2008, Eclipse announced that it would be laying off 650 of its workforce of 1800 people (38% of its work force) and a week later Pratt & Whitney Canada repossessed 24 engines sold to Eclipse.
From August 2008 onwards, several customers filed lawsuits against the company for failure to return deposits for canceled and delayed orders. The company indicated that it needed more funding to be in a position to return deposits.
Eclipse Aviation announced on September 23, 2008, that it would establish a factory in Ulyanovsk, Russia to assemble the Eclipse 500, but then halted production of the 500 in October 2008, with the company indicating that it lacked funds to continue production or refund customer deposits.
Bankruptcy documents indicated that a total of $702.6 million was owed. The court documents filed suggested that the bankruptcy occurred because the company "continued to lose larger than expected sums of money on each aircraft manufactured and has not reached cash flow positive in its operations." Total company liabilities were estimated at over $1 billion. At the time of bankruptcy filing on November 25, 2008 Eclipse had delivered 259 EA500s.
On January 20, 2009, Federal Bankruptcy Court Judge Mary Walrath verbally approved the sale of the assets of Eclipse Aviation to EclipseJet Aviation International, headed by Eclipse Aviation's chairman, Roel Pieper, under Section 363 of the United States Bankruptcy Code. EclipseJet Aviation International was unable to secure the funding they had anticipated, and on February 24, 2009, a group of companies to whom Eclipse owed money applied to the court to force the unfinished Chapter 11 proceedings into Chapter 7, a move supported by the company management.
After a lengthy Chapter 7 process running from March to August 2009, only one bidder for the company's assets existed. Eclipse Aerospace, headed by Mike Press and Mason Holland, offered US$20M in cash and US$20M in new promissory notes, stating that they would locate the new company in the existing Eclipse facilities in Albuquerque. Eclipse Aerospace provided upgrades to the current Eclipse fleet and restarted production. Eclipse Aerospace was confirmed as the new owner of the assets of the former Eclipse Aviation on August 20, 2009, and opened for business on September 1, 2009. The company later merged to become One Aviation, and it subsequently went bankrupt in 2018.
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