What does hiu stand for?

Hawaii - MARC country of publication code - Library of Congress (LCCP)

Can Do Co., Eureka, KS - Manufacturer code for watercraft hull identification number (USCG)

Heading Indicator Unit (SAUS)

Head Injury Unit (MELL)

Headseat Interface Unit (MCD)

Headset Interface Unit (NAKS)

High Interest Unit - Navy (ANA)

Higuerote - Venezuela - Airport symbol (AD)

Homing Instrumentation Unit (MCD)

Host Interface Unit

Hydrologic Information Unit (SAUO)

Hydrostatic Interface Unit (SAUS)

Hyperplasia Interstitialis Uteri - Medicine (DMAA)

Hypnosis Investigation Unit (SAUO)