Obstacle Clearance Altitude
Key Facts
Abbreviation
OCA
Pronunciation
/ˈɑbstəkəl ˈklɪrəns ˈæltəˌtud/
Category
Miscellaneous
Related Field
Aircraft & Aviation
Other meanings of OCA
Open Control Architecture
Academic
Off Campus Advisor
Academic
Orthodontic Centers of America, Inc.
Business
Open Checking Account
Business
Outstate Calling Area
Computing
Organization of Chinese Americans
Community