| AMO | Approved Maintenance Organization |
| ANSI | American National Standards Institute |
| BOM | Bill of Materials |
| CAD | Computer Assisted Design |
| CDR | Critical Design Review |
| CMS | Cabin Management System |
| C-PWS | Circulating Potable Water System |
| DMC | Direct Maintenance Cost |
| EASA | European Aviation Safety Agency |
| ERP | Enterprise Resource Planning |
| FAA | Federal Aviation Administration |
| FAI | First Article Inspection |
| FRACAS | Failure Reporting and Corrective Action System |
| GPM | Gallons Per Minute |
| HALT | Highly Accelerated Life Testing |
| HASS | Highly Accelerated Stress Screening |
| ICD | Interface Control Drawing |
| IWG | International Water-Guard Industries Inc. |
| JDP | Joint Definition Phase |
| LRU | Line Replaceable Unit |
| M-PWS | Mini Potable Water System |
| MRP | Material Requirements Planning |
| MTBF | Mean Time Between Failures |
| MTBUR | Mean Time Between Unscheduled Removal |
| NCR | Non-Conforming Product Report |
| NSF | National Sanitation Foundation |
| OEM | Original Equipment Manufacturer |
| PDR | Preliminary Design Review |
| PSIG | Pounds per Square Inch Gauge |
| PMO | Program Management Office |
| PWS | Potable Water System |
| QA | Quality Assurance |
| QMS | Quality Management System |
| RFP | Request for Proposal |
| SCM | Supply Chain Manager |
| STC | Supplemental Type Certificate |
| TBD | To Be Determined |
| TCCA | Transport Canada Civil Aviation |
| USG | U.S. Gallon |
| UV | Ultraviolet |
| VAC | Volts, Alternating Current |
| VDC | Volts, Direct Current |
| WBS | Work Breakdown Schedule |
| WTU | Water Treatment Unit |
