Northrend: Howling Fjord: Trust is Earned series missing
http://www.wowhead.com/quest=11460
1. Trust is Earned
2. The Ransacked Caravan
3. Falcon Versus Hawk
4. There Exists No Honor Among Birds
On all of these quests, it's not on the Carbonite tracker database. It does get flagged on the Map system, but you aren't able to use the tracker to walk to the location.