Abbreviations often used during rescue operations:

• BC (Beacon) The beacon fitted to all ships which can be enabled to enable your wing mates to drop on it. Alternatively WB (Wing Beacon) is also accepted.
  • BC+: The rats now sees the clients beacon and is on their way to dropping into the clients instance for refueling.
  • BC-: The rat doesn’t see the client beacon
• CR (Case Red / Code Red) An alert where the client has lost power to life support and the clock is counting down on their oxygen depletion timer
• DB (Debrief) When a rat has refueled the client, they do a debriefing with them, that is inform the client how to avoid running out of fuel in the future, when this is completed they use db+ to inform dispatch so.
• DC (Disconnected) Abbreviation used in #FuelRats. Got kicked out of the game, either to Main Menu or out of the whole game
• EZ (Exclusion Zone) The area around a stellar body where your ship is automatically dropped to normal space to avoid crashing into the stellar body.  A client in EZ prevents instancing with them through navlock and requires them to SC Hop away or a Tactical Face Plant (usually just on CR's).
• FR (Friend Request) The first step of a rescue, the client adds the rat ingame.
  • FR+ or "FR received" reported when request from client is received and accepted.
  • FR- Can be used to let dispatch know the request didn't get through, or client neglected to send it (after appropriate time has passed)
• FUEL / Refueling Report that tells dispatch that at least the first limpet fired has completed it's fuel transfer (giving you the onscreen confirmation of such) Reported either as "Fuel+" or "Refueling".
• INST (Instancing) The efforts to establish a Peer-to-Peer connection with a client. If attempts fail, “no instancing,” is specified and workarounds begin to be used in order to resolve the connection issue.
  • INST+ Optionally reported on dropping on clients beacon and in instance with client
  • INST- Reported if dropped on beacon, but not seeing clients ship 
• J (Jumps) Called by Rats responding to a rescue call in order to determine who is closest to support (e.g. 2j, restock + 1j, etc.)
• MM (Main Menu) Often used like "client in mm" during CR rescues.
• OMW On My Way
• PW (Paperwork) When a rat has completed a rescue, they file/edit the case, called "paperwork" provided by the bot. Optionally it's reported done using pw+
• Party Xbox voice communications which is separate with the game itself. Often reported as Party+
• PREP Can be reported to alert dispatch that clients shields are still up after getting in wing.
  • PREP- client didn't comply with module-shutdown.
  • PREP+ client has now complied with instructions after PREP- was reported.
• POS (Position) used on CR cases as "POS+" when reaches a given in-system position, for example 1000ls from a named station, to let dispatch know you are holding there ready for client to log in.
• RTB (Return to Base), associated either with a Rat standing down from a rescue case or needing to re-arm with limpets before returning to standby status.
• RGR (Roger) A rat will use this to show he acknowledges the information/request/command. Sometimes you may see COPY or ACK - same thing.
• SC HOP (Supercruise Hop) A technique used to resolve instancing the client powers up their thrusters and frameshift drive, enters supercruise for 5-10 seconds away from any stellar bodies while the rat(s) wait in SC to confirm positive instancing - or simply to get client away from EZ of a planet/star.
• STBY (Standby) A Rat is ready and available to be assigned to a case or to receive further information
• STDN (Stand down)  A Rat is discontinuing support of an active case
• SYS (System) When a rat has arrived in the client’s system, a report of “sys+” to dispatch is made
• SYSCONF Can optionally be reported once a clients reported system has been verified correct on the Galmap (clients green friend icon shown being there)
• TFP (Tactical Face Plant) The technique of manually flying into the Exclusion Zone to achieve instancing with a client.  Requires practice!
• WR / WG (Wing Request) The second step of a rescue, the client invites the Rat
  • A response to a wing request may be “WR Received” or even more simply “WR+”, or if sufficient time has passed and the request hasn’t been received “WR-“

Other or more general abbreviations & terminology:

• Bubble, The Civilized space (refer to the Powerplay view of the galaxy map for a rough illustration)
• Client The person we are serving fuel
• Dispatch The rat who is coordinating activity on #FuelRats.  Also known as Spatch or The Hat.
• Hat, The Symbolic identifier for the Dispatch, usually denoted by their incorporating “Dispatch” into their username temporarily in order to, “don the Hat.” Quite frequently tossed into the air after a hectic session of dispatching.
• Epic Rescue Any rescue nominated by another rat for it's sheer epic awesomeness will reward the rat with Laurels for their roundel (https://www.fuelrats.com/rats-honors/) !  Any rescue requiring more than 10,000Ly travel to the client is automatically considered epic but still requires a nomination.
• LRR (Long Range Rescue/Refuel) Any rescue where the client is more than 1000ly from human space
• Mischief, The Did you know that the collective noun for Rat is “Mischief”?
• PSRat or PSCase - A PS4 Rat or PS4 case, because the alternative wasn't very nice.
• Ratsignal Alert!  A client needs fuel, man your ship and call your jumps! Never say this in the rescue channel unless you are stranded without fuel.
• Roundel How to display all of your ratting accomplishments!  https://www.fuelrats.com/rats-honors/
• XRat or XCase - An Xbox Rat or Xbox case, because we love our terminology.