occurred because they were doing a biennial flight review at night.
Make up your mind:
- It's not dangerous to fly at night and you don't need a Night VFR endorsement, ala USA or;
- It is dangerous to fly at night and you need a Night VFR endorsement ala Oz; or
- It is dangerous to fly at night and you don't need a Night VFR endorsement - based on the above and your other statements