Last week I was on AC1 in J to NRT. Midway through the flight I headed up to the forward washroom and observed one of the pilots coming out of it. I paused a moment thinking he'd reenter the cockpit and I might get handcuffed if I tried to make a move too quickly in that direction, but he headed the other way to get some coffee or conversation with the FAs. So I entered the loo and locked myself in, and lifted the lid on the toilet only to see a pool of liquid still in it! Yikes, he forgot to flush... Got me to thinking it's a good thing pilots have to go through a printed check-list before the plane leaves the ground! Then again, maybe airlines should start posting a check list on the mirror: "1. Lift lid on toilet; 2. Lift seat on toilet if you're a male planning a #1; 3. Place a toilet seat tissue paper protector on the seat if you're a woman or a man planning a #2; 4. Do your thing (if a male doing #1, please aim for the centre of the toilet bowl); 5. Lower the lid (and seat if you're a male just done #1); 6. FLUSH THE TOILET; 7. Wash your hands; 8. Zip yourself up.