more work

code/modules/overmap/helm.dm

@@ -211,6 +211,7 @@
 	.["aiControls"] = allow_ai_control
 	.["burnDirection"] = current_ship.burn_direction
 	.["burnPercentage"] = current_ship.burn_percentage
+	.["radioFreq"] = "[current_ship.ship_radio_frequency * 0.1] Ghz"
 	for(var/datum/weakref/engine in current_ship.shuttle_port.engine_list)
 		var/obj/machinery/power/shuttle/engine/real_engine = engine.resolve()
 		if(!real_engine)
@@ -275,13 +276,28 @@
 				say("Error: [COOLDOWN_TIMELEFT(current_ship, rename_cooldown)/10] seconds until ship designation can be changed.")
 			update_static_data(usr, ui)
 			return
+
 		if("reload_ship")
 			reload_ship()
 			update_static_data(usr, ui)
 			return
+
+		if("update_radio_freq")
+			var/new_freq = input(ui.user, "Enter new frequency (in XXX.X format)", "Ship Radio Frequency", current_ship.ship_radio_frequency * 10) as num|null
+			new_freq *= 10
+			if(!sanitize_frequency(new_freq, TRUE))
+				say("Error: Invalid frequency.")
+				return
+			if(new_freq == current_ship.ship_radio_frequency)
+				return
+			current_ship.ship_radio_frequency = new_freq
+			current_ship.broadcast(src, "Ship Radio Frequency updated.")
+			return TRUE
+
 		if("reload_engines")
 			current_ship.refresh_engines()
 			return
+
 		if("toggle_ai_control")
 			if(issilicon(usr))
 				to_chat(usr, "<span class='warning'>You are unable to toggle AI controls.</span>")

code/modules/overmap/ships/controlled_ship_datum.dm

@@ -402,7 +402,8 @@
 
 	for(var/obj/machinery/computer/helm/helm as anything in helms)
 		SStgui.close_uis(helm)
-		helm.say(helm_locked ? "Helm console is now locked." : "Helm console has been unlocked.")
+		if(!helm.viewer)
+			helm.say(helm_locked ? "Helm console is now locked." : "Helm console has been unlocked.")
 
 /obj/item/key/ship
 	name = "ship key"

tgui/packages/tgui/interfaces/HelmConsole.js

@@ -263,6 +263,7 @@ const ShipControlContent = (_props, context) => {
     burnPercentage,
     speed,
     estThrust,
+    radioFreq,
   } = data;
   let flyable = !data.docking && !data.docked;
 
@@ -313,6 +314,12 @@ const ShipControlContent = (_props, context) => {
             disabled={aiUser}
             onClick={() => act('toggle_ai_control')}
           />
+          <Button
+            tooltip={`Ship Radio: ${radioFreq}`}
+            tooltipPosition="left"
+            icon="radio"
+            onClick={() => act('update_radio_freq')}
+          />
         </>
       }
     >