| Term | Abbreviation | 
             
              |  |  | 
             
              | Air Conditioning | Air Con | 
             
              | Aircraft | Acft | 
             
              | Airworthiness 
                Directive | AD | 
             
              | Antenna | Ant | 
             
              | Automatic | Auto | 
             
              | Autopilot | A/P | 
             
              | Body Buttock 
                Line | BBL | 
             
              | Body Station | BS | 
             
              | Boeing Material 
                Specification | BMS | 
             
              | Buttock Line | BL | 
             
              | Center | Ctr | 
             
              | Check | Chk | 
             
              | Corrosion 
                Prevention & Control Program | CPCP | 
             
              | Corrosion 
                Prevention Manual | CPM | 
             
              | Dye Penetrant 
                (or Welsh NDT expert) | Dye Pen | 
             
              | Engine | Eng | 
             
              | Equipment | Equip | 
             
              | Extend | Xtnd | 
             
              | Exterior | Ext | 
             
              | Fitting | Ft'ng | 
             
              | Functional 
                Check | F/C | 
             
              | Fuselage | Fuse | 
             
              | High Frequency 
                Eddy Current | HFEC | 
             
              | Horizontal 
                Stabiliser | Horiz Stab | 
             
              | Hydraulic | Hyd | 
             
              | Inboard | Inbd | 
             
              | Increase | INCR | 
             
              | Instrument | Inst | 
             
              | Lavatory | Lav or Lavs | 
             
              | Leading Edge | LE | 
             
              | Left Hand | LH | 
             
              | Low Frequency 
                Eddy Current | LFEC | 
             
              | Lubrication | Lube | 
             
              | Main Landing 
                Gear | MLG | 
             
              | Metal Particle 
                Inspection | MT | 
             
              | Navigation | Nav | 
             
              | Nose Landing 
                Gear | NLG | 
             
              | Number | No or # | 
             
              | Operational 
                Check | OP/C | 
             
              | Outboard | Otbd | 
             
              | Passenger | Pax | 
             
              | Pressure | Px | 
             
              | Pressure 
                Total | Pt | 
             
              | Principle 
                Structural Element | PSE | 
             
              | Right Hand | RH | 
             
              | Service | Serv | 
             
              | Service Bulletin | SB | 
             
              | Stabiliser | Stab | 
             
              | Station | Sta | 
             
              | Supplemental 
                Structural Inspection Document | SSID | 
             
              | Temperature 
                Total | Tt | 
             
              | Thrust Reverser | TR | 
             
              | Transponder | Xpder | 
             
              | Ultrasonic | UT | 
             
              | Visible Panty 
                Line | VPL | 
             
              | Visual | Viz | 
             
              | Water Line | WL | 
             
              | Wing Body 
                Line | WBL | 
             
              | Wing Station | WS |