Possible Clues:

• French flag
• French national flag
• Standard of leaking hosepipe to be reported
• Common European standard
• One running very slowly, we hear, going to flag
• Right places passed over in trip - one flies over Paris, for example
• Standard of French perhaps something hardly flowing to some ears?
• Triumphant leaders adopt standard flag
• Standard raised in a department?
• Standard visit includes most of border pass