"Cases prescribed by Presidential Decree" in the proviso of Article 897 of the Act means where a State-owned or public airplane falls under any of the following categories: <Amended on Mar. 29, 2017>
1. An airplane for military forces, police, or customs;
2. An airplane used for a purpose specified in any item of subparagraph 1 of Article 2 of the Aviation Safety Act;
3. Any other airplane not used for profit-making, but for actual public use, such as an airplane for emergency or for human rescue.