In the world of flight test, novel avionic designs don’t come along every day, which is why UA’s Flight Test department is so fortunate. We’ve seen a lot of new designs and helped turn them into innovative products to propel the world of aviation forward.

International shipments have become increasingly complex over the past decade. To assist our customers and partners through the product return process, we have developed a 'Best Practices' guide.

A recent announcement by ICAO may affect you substantially if you operate in the NAT region. As of 25 February 2021, the temporary relief of the NAT DLM – which many operators have relied on to fly in the NAT without data link equipage – has expired. Aircraft must now be equipped for FANS 1/A+ CPDLC and ADS-C to operate in this airspace.

The CPU battery in UA's FMS Navigation Computer Unit (NCU) generally lasts between three to seven years depending on its usage. When the FMS CPU battery begins to drain below standard levels, an FMC BATTERY LOW message will appear well before a battery failure to alert the user.

Visit UniNet today to download recently released Service Bulletins or Service Letters from the Tech Pubs tab.