diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index 4258bc1..8f461cc 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -207,6 +207,8 @@ function iocontrol.update_statuses(statuses)
                         unit.reactor_ps.publish("computed_status", 5)   -- faulted
                     elseif not unit.reactor_data.formed then
                         unit.reactor_ps.publish("computed_status", 6)   -- multiblock not formed
+                    elseif unit.reactor_data.rps_status.force_dis then
+                        unit.reactor_ps.publish("computed_status", 7)   -- reactor force disabled
                     elseif unit.reactor_data.rps_tripped and unit.reactor_data.rps_trip_cause ~= "manual" then
                         unit.reactor_ps.publish("computed_status", 4)   -- SCRAM
                     else
diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 1c6b90b..86d49be 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -16,7 +16,7 @@ local config       = require("coordinator.config")
 local coordinator  = require("coordinator.coordinator")
 local renderer     = require("coordinator.renderer")
 
-local COORDINATOR_VERSION = "alpha-v0.6.5"
+local COORDINATOR_VERSION = "alpha-v0.6.6"
 
 local print = util.print
 local println = util.println
diff --git a/coordinator/ui/components/reactor.lua b/coordinator/ui/components/reactor.lua
index e04a34e..8efe9ce 100644
--- a/coordinator/ui/components/reactor.lua
+++ b/coordinator/ui/components/reactor.lua
@@ -27,7 +27,7 @@ local function new_view(root, x, y, data, ps)
     local text_fg_bg = cpair(colors.black, colors.lightGray)
     local lu_col = cpair(colors.gray, colors.gray)
 
-    local status    = StateIndicator{parent=reactor,x=8,y=1,states=style.reactor.states,value=1,min_width=14}
+    local status    = StateIndicator{parent=reactor,x=6,y=1,states=style.reactor.states,value=1,min_width=16}
     local core_temp = DataIndicator{parent=reactor,x=2,y=3,lu_colors=lu_col,label="Core Temp:",unit="K",format="%10.2f",value=0,width=26,fg_bg=text_fg_bg}
     local burn_r    = DataIndicator{parent=reactor,x=2,y=4,lu_colors=lu_col,label="Burn Rate:",unit="mB/t",format="%10.1f",value=0,width=26,fg_bg=text_fg_bg}
     local heating_r = DataIndicator{parent=reactor,x=2,y=5,lu_colors=lu_col,label="Heating:",unit="mB/t",format="%12.0f",value=0,commas=true,width=26,fg_bg=text_fg_bg}
diff --git a/coordinator/ui/style.lua b/coordinator/ui/style.lua
index ae83155..67453c7 100644
--- a/coordinator/ui/style.lua
+++ b/coordinator/ui/style.lua
@@ -58,6 +58,10 @@ style.reactor = {
         {
             color = cpair(colors.black, colors.orange),
             text = "NOT FORMED"
+        },
+        {
+            color = cpair(colors.black, colors.red),
+            text = "FORCE DISABLED"
         }
     }
 }
diff --git a/reactor-plc/plc.lua b/reactor-plc/plc.lua
index 578d0d8..cdc131e 100644
--- a/reactor-plc/plc.lua
+++ b/reactor-plc/plc.lua
@@ -51,14 +51,17 @@ function plc.rps_init(reactor, is_formed)
         fault = 7,
         timeout = 8,
         manual = 9,
-        sys_fail = 10
+        automatic = 10,
+        sys_fail = 11,
+        force_disabled = 12
     }
 
     local self = {
         reactor = reactor,
-        state = { false, false, false, false, false, false, false, false, false, false },
+        state = { false, false, false, false, false, false, false, false, false, false, false, false },
         reactor_enabled = false,
         formed = is_formed,
+        force_disabled = false,
         tripped = false,
         trip_cause = "" ---@type rps_trip_cause
     }
@@ -95,6 +98,21 @@ function plc.rps_init(reactor, is_formed)
         end
     end
 
+    -- check if the reactor is force disabled
+    local function _is_force_disabled()
+        local disabled = self.reactor.isForceDisabled()
+        if disabled == ppm.ACCESS_FAULT then
+            -- lost the peripheral or terminated, handled later
+            _set_fault()
+        else
+            self.force_disabled = disabled
+
+            if not self.state[state_keys.force_disabled] then
+                self.state[state_keys.force_disabled] = disabled
+            end
+        end
+    end
+
     -- check for critical damage
     local function _damage_critical()
         local damage_percent = self.reactor.getDamagePercent()
@@ -185,6 +203,11 @@ function plc.rps_init(reactor, is_formed)
         self.state[state_keys.manual] = true
     end
 
+    -- automatic SCRAM commanded by supervisor/coordinator
+    function public.trip_auto()
+        self.state[state_keys.automatic] = true
+    end
+
     -- trip for unformed reactor
     function public.trip_sys_fail()
         self.state[state_keys.fault] = true
@@ -237,6 +260,7 @@ function plc.rps_init(reactor, is_formed)
             -- update state
             parallel.waitForAll(
                 _is_formed,
+                _is_force_disabled,
                 _damage_critical,
                 _high_temp,
                 _no_coolant,
@@ -255,6 +279,9 @@ function plc.rps_init(reactor, is_formed)
         elseif self.state[state_keys.sys_fail] then
             log.warning("RPS: system failure, reactor not formed")
             status = rps_status_t.sys_fail
+        elseif self.state[state_keys.force_disabled] then
+            log.warning("RPS: reactor was force disabled")
+            status = rps_status_t.force_disabled
         elseif self.state[state_keys.dmg_crit] then
             log.warning("RPS: damage critical")
             status = rps_status_t.dmg_crit
@@ -282,6 +309,9 @@ function plc.rps_init(reactor, is_formed)
         elseif self.state[state_keys.manual] then
             log.warning("RPS: manual SCRAM requested")
             status = rps_status_t.manual
+        elseif self.state[state_keys.automatic] then
+            log.warning("RPS: automatic SCRAM requested")
+            status = rps_status_t.automatic
         else
             self.tripped = false
         end
@@ -292,8 +322,13 @@ function plc.rps_init(reactor, is_formed)
             self.tripped = true
             self.trip_cause = status
 
+            -- in the case that the reactor is detected to be active, it will be scrammed shortly after this in the main RPS loop if we don't here
             if self.formed then
-                public.scram()
+                if not self.force_disabled then
+                    public.scram()
+                else
+                    log.warning("RPS: skipping SCRAM due to reactor being force disabled")
+                end
             else
                 log.warning("RPS: skipping SCRAM due to not being formed")
             end
@@ -306,6 +341,7 @@ function plc.rps_init(reactor, is_formed)
     function public.is_tripped() return self.tripped end
     function public.is_active() return self.reactor_enabled end
     function public.is_formed() return self.formed end
+    function public.is_force_disabled() return self.force_disabled end
 
     -- reset the RPS
     ---@param quiet? boolean true to suppress the info log message
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index 02786f0..2d56bdd 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -13,7 +13,7 @@ local config  = require("reactor-plc.config")
 local plc     = require("reactor-plc.plc")
 local threads = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "beta-v0.9.2"
+local R_PLC_VERSION = "beta-v0.9.3"
 
 local print = util.print
 local println = util.println
diff --git a/scada-common/types.lua b/scada-common/types.lua
index de49cf0..b86aca7 100644
--- a/scada-common/types.lua
+++ b/scada-common/types.lua
@@ -82,6 +82,9 @@ types.TRI_FAIL = {
 ---| "fault"
 ---| "timeout"
 ---| "manual"
+---| "automatic"
+---| "sys_fail"
+---| "force_disabled"
 
 ---@alias rtu_t string
 types.rtu_t = {
@@ -106,7 +109,9 @@ types.rps_status_t = {
     fault = "fault",
     timeout = "timeout",
     manual = "manual",
-    sys_fail = "sys_fail"
+    automatic = "automatic",
+    sys_fail = "sys_fail",
+    force_disabled = "force_disabled"
 }
 
 -- turbine steam dumping modes
diff --git a/supervisor/session/plc.lua b/supervisor/session/plc.lua
index 4e72a68..6ee2115 100644
--- a/supervisor/session/plc.lua
+++ b/supervisor/session/plc.lua
@@ -103,7 +103,9 @@ function plc.new_session(id, for_reactor, in_queue, out_queue)
                 fault = false,
                 timeout = false,
                 manual = false,
-                sys_fail = false
+                automatic = false,
+                sys_fail = false,
+                force_dis = false
             },
             ---@class mek_status
             mek_status = {
@@ -134,7 +136,6 @@ function plc.new_session(id, for_reactor, in_queue, out_queue)
             },
             ---@class mek_struct
             mek_struct = {
-                formed = false,
                 length = 0,
                 width = 0,
                 height = 0,
@@ -167,7 +168,9 @@ function plc.new_session(id, for_reactor, in_queue, out_queue)
         self.sDB.rps_status.fault     = rps_status[7]
         self.sDB.rps_status.timeout   = rps_status[8]
         self.sDB.rps_status.manual    = rps_status[9]
-        self.sDB.rps_status.sys_fail  = rps_status[10]
+        self.sDB.rps_status.automatic = rps_status[10]
+        self.sDB.rps_status.sys_fail  = rps_status[11]
+        self.sDB.rps_status.force_dis = rps_status[12]
     end
 
     -- copy in the reactor status
@@ -382,7 +385,7 @@ function plc.new_session(id, for_reactor, in_queue, out_queue)
                 })
             elseif pkt.type == RPLC_TYPES.RPS_STATUS then
                 -- RPS status packet received, copy data
-                if pkt.length == 10 then
+                if pkt.length == 12 then
                     local status = pcall(_copy_rps_status, pkt.data)
                     if status then
                         -- copied in RPS status data OK
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index 2459673..b84fecf 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -13,7 +13,7 @@ local svsessions = require("supervisor.session.svsessions")
 local config     = require("supervisor.config")
 local supervisor = require("supervisor.supervisor")
 
-local SUPERVISOR_VERSION = "beta-v0.7.0"
+local SUPERVISOR_VERSION = "beta-v0.7.1"
 
 local print = util.print
 local println = util.println