Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Pilot's Pauldrons Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Pilot's Pauldrons suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Pilot's Pauldrons is part of the transmog set Raiment of the Arcanic Conclave (Mage only), which the Appearances collection lists in 3 versions. The other 12 pieces:
Celumbra, the Night's DichotomyID 146666 · Armor - Cloth · item level 50"Shadow and star, darkness and light, despair and hope."
Items Numbered Next to Pilot's Pauldrons
Blizzard numbers items as they are created, so the named items next to ID 124174 (124169 to 124179) were usually added in the same batch as Pilot's Pauldrons: the same quest line, zone, vendor or reward set.