Post it has a plastic style of tabs that take a beating, are transparent, can be used for 6 months (and going with no sticky risidue or lack of strength--that green one has touched about 90% of the pages up to the point it's at currently) and won't slice your hand open. I always find companies buying knock-off for promo items like the skinny ones in the photo.
I thought I'd use a lot but I find I just use two; one to mark where I am in the daily log and one to go to my monthly calendar and task list.
I always use the sticky post-it bookmarks. They are removable, don't damage the paper and can be used many times before becoming un-sticky.
Microsoft OneNote
Post-It notes
Notebooks
Dry erase board
We have organization-specific tools, too, that I utilize. Mostly web portals with schedules, charts, resource management, etc.
Write and stick these on the pages . Example “VFR Equip”and place on 91.205 tabs
Figure out what everything is worth.
TL;DR: There are a lot of good reasons to
Color Coded, and super durable. I use wide tabs across top, narrow tabs along side. Same premise... Super time saver:
http://www.amazon.com/Assorted-1-Inch-5-Inch-On-The-Go-Dispensers/dp/B00QL1AW00