| Webster's Online Dictionary |
| Expressions | Definition | ||
| Block Hours | This represents the time between the time the aircraft departs the gate and the destination gate arrival. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Block hours | Transportation | Total time from the moment the aircraft first moves under its own power for the purpose of taking off until the moment it comes to rest at the end of the flight. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||