Maintenance materials and supplies (directly consumed)
46.3 - Aircraft instruments 46.1 - Airframes 46.2 - Engine (aircraft parts) 46.9 - Ground property and equipment 46.6 - Materials and supplies ‑ all flight equipment, Group I carriers
Maintenance materials and supplies (not consumed in direct maintenance)
45 - Aircraft fuels and oils, Group I carriers 45.1 - Aircraft fuels 45.2 - Aircraft oils 49 - Automotive 50 - Blue prints 49 - Chemicals and solvents ‑ shops 50 - Chemicals and solvents ‑ printing 49 - Cleaning compounds ‑ shops 50 - Cleaning compounds ‑ printing 53 - Cleaning compounds ‑ other 49 - Composition materials ‑ shops 50 - Drafting and engineering 49 - Electrical ‑ shops 53 - Electrical ‑ other 50 - Flight crew supplies 49 - Fuels and lubricants ‑ shops 49 - Glass and glass products 49 - Hardware 50 - Labels and small signs 49 - Lumber and wood products 50 - Manuals and publications 53 - Medical 49 - Paints, lacquers and thinners ‑ shops 53 - Photographic 49 - Plumbing ‑ shops 59 - Printing ‑ tariffs, schedules and timetables 50 - Printing and duplicating 49 - Rubber and plastic goods 53 - Safety (ground supplies) 49 - Sheet metal 50 - Shipping and marking supplies 49 - Small tools 49 - Special clothing and devices 50 - Standard forms ‑ company
