Aviation abbreviation
hazardous inflight weather advisory service
HIWAS
At a glance
Meaning of hazardous inflight weather advisory service
HIWAS stands for hazardous inflight weather advisory service in FAA terminology.
More about hazardous inflight weather advisory service
This abbreviation is used in safety. The English reference lists hazardous inflight weather advisory service with the abbreviation HIWAS.
FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.