DSCS  Doors and Escape Slides Control System 
DSDL  Dedicated Serial Data Link 
DSEB  Digital Seat Electronic Box 
DSENGD  Disengaged 
DSG  Design Service Goal 
DSI  Discrete Input 
DSIP  Door/Slide Indication Panel 
DSMCU  Doors and Slides Management Control Unit 
DSMS  Doors and Slides Management System 
DSO  Discrete Output 
DSPL  Display 
DSPLYD  Displayed 
DSSS  Direct Sequence Spread Spectrum 
DSTRK  Desired Track 
DSUG  Drawing Set User Guide 
DTD  Document Type Definition 
DTG  Distance to Go 
DTMF  Dual Tone Multiple Frequency 
DTMS  Damage Tolerance Monitoring System 
DTMU  Damage Tolerance Monitoring Unit 
DU  Display Unit 
DUM  Dummy 
DVD  Digital Versatile Disk 
DVD  Digital Video Disk 
DWG  Drawing 
DX  Access Demanded 
DYNMTC  Dynamometric 
D/A  Digital to Analog 
D/D  Engine Out Drift Down Point 
D/LNA  Diplexer/Low Noise Amplifier 
D/O  Description and Operation 
E  East 
EABDC  Enhanced Aircraft Broadcast Data Collector 
EADI  Electronic Attitude Director Indicator 
EADS  European Aeronautic Defence and Space Company 
EAROM  Electrically Alterable Read Only Memory 
EAS  Equivalent Airspeed 
EASA  European Aviation Safety Agency 
EAT  Expected Approach Time 
EBAS  Engine Bleed Air System 
EBCU  Emergency Brake Control Unit 
EBHA  Electrical Backup Hydraulic Actuator 
EBS  Engine Build Specification 
EBU  Engine Build-up Unit