ACH meaning in Airport Code ?

Answer: What is Altenrhein mean?

Thal is a village and municipality in the Wahlkreis (constituency) of Rorschach in the canton of St. Gallen in Switzerland. Besides the village of Thal itself, the municipality also includes the villages of Altenrhein, Buechen, Buriet and Staad.

reference

Full Form	Category
Air Change per Hour	Academic & Science
Account Clearing House	Accounts and Finance
Automated Check Handling	Accounts and Finance
Altenrhein	Airport Code
Automated Clearing House	Banking
Absorption Chiller Heater	Business
Automatic Clearing House	Business
A Child's Hope	Community
Association for Computers and the Humanities	Community
Accountable Community of Health	Community
Access Feedback Channel	Computing
Alchemy Pay	Cryptocurrency
Aki, Christoffersson, and Husebye	Earth Science
Analysis of Competing Hypotheses	General
Account Clearing Hacking	General
Air Craft Hand	General
Associated Channel Header	General
Accessible Coat Hooks	General
Airbus Corporate Helicopters	General
Airlines Clearing House	General
A Crack Head	General
Automobilski Cluster Hrvatske	General
Automotive Components Holdings	General
Auxiliary Heater	General
Austin Club Holland	General
Auto Check	General
Autos Clasicos e Historicos	General
Autoliv China Headoffice	General
Alcohol Childish Hurt	Governmental
ACHALGANJ	Indian Railway Station
Anno Concordia Humanus	International
Acute Care Hospital	Medical
achalasia	Medical
achondroplasia	Medical
ACTH, adrenocorticotropic hormone	Medical
Active Chronic Hepatitis	Medical
Allergic Contact Hypersensitivity	Medical
American College of Healthcare	Medical
Arkansas Children's Hospital	Medical
Australian Camp Hospital	Medical
Academy of Communication in Healthcare	Medical
Auckland City Hospital	Medical
AdrenoCortical Hormone	Medical
Accs Common Hardware	Military and Defence
Advanced Combat Helmet	Military and Defence
Acoli	Regional
St. Gallen-Altenrhein Airport	Transport & Travel