Most Sailor 6222 (Cobham RT6222) faults are mechanical — handset cord, PTT switch and keypad illumination — and are field-replaceable in under 30 minutes. For control panel or display faults on units older than ten years, a reconditioned complete RT6222 is usually better value. Re-MMSI on first power-up; no console rework required.
The H6222 handset is the dedicated control / microphone for the Sailor 6222 console. It is field-replaceable separately from the RT6222 radio module.
Yes, when IEC 61097-7 type-approval is intact and the BIIT test report covers TX power, RX sensitivity and Channel 70 DSC watch receiver.