Latvia's airBaltic voluntarily filed for protection under Chapter 11 of the US Bankruptcy Code in New York, it said, as part of a restructuring to ‌reduce debt as the Iran war piles stress on the airline sector ↧ AirBaltic files for Chapter 11 bankruptcy as Iran war costs bite Latvia's airBaltic voluntarily filed for protection under Chapter 11 of the U.S. Bankruptcy Code in New York, ​it said on Monday, as part of a restructuring to ‌reduce debt as the Iran war piles stress on the airline sector.