Boeing

What is WHCU on Boeing 737? (Window Heat Control Unit)

What is OVHT on Boeing 737? (Overheat)

What is CIWS on Boeing 737? (Central Instrument Warning System)

What is PSU on Boeing 737? (Passenger Service Unit)

What is SEB on Boeing 737? (Seat Electronics Box)

What is CMC on Boeing 737? (Central Maintenance Computer)

What is ADI on Boeing 737? (Attitude Director Indicator)

What is AEM on Boeing 737? (Audio Entertainment Multiplexer)

What is ASA on Boeing 737? (Autoland Status Annunciator)