Acronyms you might come across

[Hester]

To help you navigate the roadmap, here’s a quick reference to the acronyms you might come across.

Acronyms 

• A2A – Air-to-Air
• ACJA – Aerial Connectivity Joint Activity
• ACAS - Airborne Collision Avoidance System
• ADS-B - Automatic Dependent Surveillance - Broadcast
• AFHA - Aircraft Functional Hazard Assessment
• AI – Artificial Intelligence
• AMC – Acceptable Means of Compliance
• CAA – UK Civil Aviation Authority
• C2 / C3 – Command and Control / and Communications
• DfT – Department for Transport
• FHA - Functional Hazard Assessment
• GBSS - Ground Based Surveillance System
• GMM - General Maintenance Manual
• GNSS – Global Navigation Satellite System
• HIRF - High-Intensity Radiated Fields
• IFR – Instrument Flight Rules
• MASPS - Minimum Aviation Systems Performance Standard
• MNO – Mobile Network Operator
• MOPS - Minimum Operational Performance Standards
• OSED - Operational Services and Environment Definition
• OSO - Operational Safety Objectives
• PASA - Preliminary Aircraft Safety Assessment
• PDRA – Pre-defined Risk Assessment
• RPAS – Remotely Piloted Aircraft System(s)
• SORA – Specific Operations Risk Assessment
• sUAS - Small Unmanned Aircraft System(s)
• TIS-B – Traffic Information Service - Broadcast
• UAS – Uncrewed / Unmanned Aircraft System
• UAT - Universal Access Transceiver
• UAV – Uncrewed / Unmanned Aerial Vehicle
• UFM - Unmanned Aircraft Flight Manual
• USS - UAS Service Supplier
• UTM - UAS Traffic Management
• VTOL - Vertical Take Off and Landing

Operational Safety Objectives

• OSO #03 - UAS maintained by competent and/or proven entity
• OSO #04 - UAS components essential to safe operations are designed to an Airworthiness Design Standard (ADS)
• OSO #06 - C3 link characteristics (e.g., performance, spectrum use) are appropriate for the operation
• OSO #09 - Remote crew trained and current
• OSO #16 - Multi crew coordination
• OSO #17 - Remote crew is fit to operate
• OSO #20 - A Human Factors evaluation has been performed and the Human-Machine Interface (HMI) found appropriate for the mission
• OSO #23 - Environmental conditions for safe operations defined, measurable and adhered to
• OSO #24 - UAS designed and qualified for adverse environmental conditions