Boulder-based TechPubs raises new funding ahead of iPhone app launch for United

BOULDER — TechPubs Inc., a Boulder business that helps airlines manage technical documents, recently raised $473,000 in new funding and issued $3.4 million in preferred stock in exchange for indebtedness as the company gets set for the launch of a new iPhone 6 plus app for United Airlines.

The company disclosed the transactions in a pair of filings with the Securities and Exchange Commission.

Founded in 2008, TechPubs provides software to help airlines store, share, distribute and update technical documentation such as flight manuals for pilots, flight attendants and maintenance crews, as well as helping to make sure the documentation complies with…