Navy Officer designator · Aviation
631X Aviation Deck Specialty LDO
Current service use not established
This code is listed in the directory. Inclusion alone does not confirm current service use.
A Navy officer classification, not an enlisted rating.
Overview
An Aviation Deck Limited Duty Officer plans, supervises, and executes aircraft recovery, placement, refueling, and launching aboard aircraft carriers and amphibious assault ships. The officer manages aircraft launch and recovery equipment, visual landing aids, aviation fuel systems, crash and salvage operations, and firefighting capabilities.
Notes & Sources
- NOOCS Part A (Edition 96, Jul 2026) prints officer code 631X as “A Limited Duty Officer (Aviation · Deck)…”, paired with its Limited Duty Officer billet row (billet 6310 requiring the specialty); the row states who holds the code and which specialty the billet requires, not what duties every holder performs. See the cited block for the exact pairing text.
- Because the Navy carries no duty, training, or clearance prose at designator level, occupation-specific recommendations are not published here; a 631X officer’s duties depend on the assigned billet.
Evidence for this guidance (1 document)
- NAVPERS 15839I Vol I Part A · Billet and Officer Designator Codes (NOOCS Edition 96, Jul 2026)
[1] Part A officer designator table, block 631X, cached text line 827
Supports: Specialty definition
Source review recorded September 24, 2026.
Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.
Report an error on this page