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K-Codes
| CODE | AFTER | BEFORE | DESCRIPTION |
| K1 | Electrical Power ON | 1st Engine Started | A/C parked |
| K2a | 1st Engine Started | TLA > TO Power | A/C taxiing |
| K2b | TLA > TO Power | 80 knots | TO Roll |
| K3 | 80 knots | 400 ft (takeoff) | Takeoff |
| K4 | 400 ft (takeoff) | 200 ft (landing) | Climb, cruise, approach |
| K5 | 200 ft (landing) | 30 seconds after touchdown and wheel speed below 30 kt | Landing |