From: Development and implementation of an emission optimization model for passenger flight bookings
Model | Type of travel | Minimum distance, km | Maximum distance, km |
---|---|---|---|
ZXR | Regional | – | 1900 |
ZXS | Short-haul | 1900 | 5600 |
ZXM | Medium-haul | 5600 | 11,000 |
ZXL | Long-haul | 11,000 | – |