Updated: 2024-08-06 --- %% >[!todo] >- [x] Marking Mom’s >- [x] Marshal Info Call >- [x] Signal is charlie/charlie time >- [x] commence >- [ ] Ball call/clara >- [x] Bolter >- [x] ACLS/ICLS/Needles/Bullseye >- [x] BRC/Final Bearing >- [ ] See Me At 10 %% # Inbound Call There are a few differences between doing an inbound call with the carrier compared to the approach controller at the airfield. >[!example]+ Inbound Call to Carrier > “`[Carrier Callsign]` Marshal, `[Modex]`, Marking Mom's `[Bearing]` for `[Range]`, `[Altitude]`, State `[Fuel State]`” > >[!quote] Example > >`A/C`: “Rough Rider Marshal, 203, Marking Mom's 127 for 50, Angels 23, State 8.0” >[!example]+ Inbound Call to Airfield > “`[Approach callsign]`, Victory 1-1 `[current position]`, `[request]`” > >[!quote] Example > >`A/C`: “Nellis Approach, Victory 1-1 on Nellis' 090 radial, 50, 25 thousand, request vectors to initial for the overhead break runway 21L.” # Callsign VS Modex It is important to note that for carrier ops that aircraft will use their Modex (the plane's onboard 3 digit number) instead of their callsign when communicating. # Thousands vs Angels We also report altitude in **Angels** instead of **Thousands**. # ILS VS ICLS While an Instrument Landing System (ILS) and an Instrument Carrier Landing System (ICLS) may look and function the same, it is important to remember that both systems use two different methods to guide aircraft to land. In short, an ILS uses two directional radio signals, one for the localiser and the other for the glideslope strategically placed on the runways, whereas an ICLS uses an AN/SPN-41 radar that emits microwave beams to provide azimuth and elevation information to aircraft tuned to the ICLS channel. Aircraft with ICLS systems will not be able to use land based ILS systems and vice versa. However, vCSG-3 has an optional mod that adds ICLS to airfields for precision approaches. # ACLS Automatic Carrier Landing System (ACLS), is the most precise method of approach an aircraft carrier can provide. Instead of using electromagnetic waves to guide aircraft, ACLS uses link 4 to establish a two way communication system between the carrier and the aircraft. By using ACLS, the aircraft will constantly transmit its current flight profile to the carrier. With this data, the carrier will send information to the aircraft's systems to tell it what to display to the pilot during manual landings (Mode 2), or during fully automatic landings (Mode 1) to tell the aircraft how to manoeuvre to land on the carrier safely. # Needles, Bullseye, Father Long story short: ACLS = Needles ICLS = Bullseye TACAN = Father This information is important during CASE III recoveries, which will be explained more in [[04 - Case II & III Stack and Pattern]]. - - - # Base Recovery Course (BRC) VS Final Bearing (FB) As vCSG-3 normally operate on the CVN-71 Theodore Roosevelt, a Nimitz class aircraft carrier featuring an angled flight deck, there are two headings to be aware of. The Base Recovery Course (BRC), and the Final Bearing (FB). # BRC The BRC is just the carrier's current magnetic heading and is given to pilots in the following cases: - During all types of departures - During CASE I and II recoveries # FB On Nimitz and Ford class aircraft carriers, the final bearing is the actual magnetic heading of the angled flight deck. In order to find the FB of the carrier during recoveries, subtract the BRC by 9. The final bearing is given to pilots during CASE III recoveries. ![[BRC vs FB.png]] - - - # Marshal Info Calls >[!note] >Weather information is usually included within the initial contact call or in a 99 call. However, we omit this as DCS does not offer a good way to tell the weather accurately. >[!example] CASE I > "`[Modex]`, `[Carrier Callslign]` Marshal, radar contact, CASE I recovery expected, mother's altimeter `[altimeter]`, BRC `[BRC]`, marshal at angels `[holding altitude]`, report see me at 10." > >[!quote] Example > >==Marshal==: "203, Rough Rider Marshal, radar contact, CASE I recovery expected, mother's altimeter 2992, BRC 090, marshal at angels 2, report see me at 10." > [!example] CASE II > "`[Modex]`, `[Carrier Callsign]` Marshal, radar contact, CASE II recovery, CV 1 approach, mother's altimeter `[altimeter]`, expected BRC `[BRC]`, `[Modex]`, marshal on the `[radial]` radial, angels `[altitude]`, report established. " > > [!quote] Example > > ==Marshal==: "203, Rough Rider Marshal, radar contact, CASE II recovery, CV 1 approach, mother's altimeter 2992, expected BRC 090. 203, marshal on the 270 radial, angels 6, report established." >[!example] CASE III >"`[Modex]`, `[Carrier Callsign]` Marshal, radar contact, CASE III recovery, CV 1 approach, mother's altimeter `[altimeter]`, expected final bearing `[final bearing]`, `[Modex]`, marshal on the `[radial]` radial, angels `[altitude]`, report established. " > >[!quote] Example > >==Marshal==: "203, Rough Rider Marshal, radar contact, CASE III recovery, CV 1 approach, mother's altimeter 2992, expected Final Bearing 090. 203, marshal on the 270 radial, angels 6, report established." > - - - # Signal is Charlie / Push Time >[!example] CASE I > "`[Modex]`, BRC `[BRC]`, your signal is Charlie, switch tower." > >[!quote] Example > >==Marshal==: "203, BRC 090, your signal is Charlie, switch tower." > >[!example] CASE II & III > "`[Modex]`, expected push time `[push time]`, expected approach `[freq or button]`." > >[!quote] Example > >==Marshal==: "203, expected push time 45, expected approach Button 2." - - - # Commence > [!example] CASE I > "`[Modex]` switch tower button `[button]`" > >[!quote] Example > >`A/C`: "203 commencing" > >==Marshal==: "203 switch tower button 1" > [!example] CASE II & III > "`[Modex]` switch approach button `[button]` " > > [!quote] Example > > `A/C`: "203 Commencing" > > ==Marshal==: "203 switch approach button 2" - - - # Bolter vs Go around >[!example] CASE I & II >"`[Modex]` cleared downwind" > >[!quote] Example >==Marshal==: "203 cleared downwind." >[!example] CASE III >==Marshal==: "`[Modex]`, take angels 1.2, turn downwind heading `[Heading]` when stable, report abeam with state. >(At Abeam) `A/C`: "`[Modex]`, abeam" >(At Abeam) ==Marshal==: "`[Modex]`, your interval is a `[type]` on a `[distance]` mile final" >(With Interval) ==Marshal==: "`[Modex]`, turn left final bearing `[Heading]`" > >[!quote] Example >==Marshal==: "100, take angels 1.2, turn downwind heading 240 when stable, report abeam with state. >(At Abeam) `A/C`: "100, abeam" >(At Abeam) ==Marshal==: "100, your interval is a Tomcat on a 7 mile final" >(With Interval) ==Marshal==: "100, turn left final bearing 010"