GBAS mode | Requirement | Maximum allowable nominal bias (m) for 100% compliance | ||||
---|---|---|---|---|---|---|
Rapid exit taxiway | Taxiway | Apron taxiway | Taxi lane | Stand lead-in line | ||
GPS-only | Accuracy | 0.4 | 0.4 | 0.2 | 0.2 | 0.1 |
GAST D | Integrity | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 |
GPS/Galileo | Accuracy | 0.5 | 0.5 | 0.2 | 0.2 | 0.1 |
GAST F | Integrity | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 |