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Within GPWS Mode 4, what distinguishes sub-mode 4A from 4B?
1
4A is windshear and 4B a bank-angle alert
2
4A relates to flaps and 4B to the gear
3
4A is armed with the landing gear up, while 4B is armed with the gear down but flaps not in the landing position
4
4A is an excessive descent rate and 4B a glideslope deviation
Press 1–4 to answer