diff --git a/src/blackbox_decode.c b/src/blackbox_decode.c
index ab52359..798cf44 100644
--- a/src/blackbox_decode.c
+++ b/src/blackbox_decode.c
@@ -460,6 +460,11 @@ void outputGPSFrame(flightLog_t *log, int32_t *frame)
 
 void outputSlowFrameFields(flightLog_t *log, int32_t *frame)
 {
+    enum {
+        BUFFER_LEN = 1024
+    };
+    char buffer[BUFFER_LEN];
+
     bool needComma = false;
 
     for (int i = 0; i < log->frameDefs['S'].fieldCount; i++) {
@@ -471,10 +476,6 @@ void outputSlowFrameFields(flightLog_t *log, int32_t *frame)
 
         if ((i == log->slowFieldIndexes.flightModeFlags || i == log->slowFieldIndexes.stateFlags)
                 && options.unitFlags == UNIT_FLAGS) {
-            enum {
-                BUFFER_LEN = 1024
-            };
-            char buffer[BUFFER_LEN];
 
             if (i == log->slowFieldIndexes.flightModeFlags) {
                 flightlogFlightModeToString(frame[i], buffer, BUFFER_LEN);
@@ -482,6 +483,10 @@ void outputSlowFrameFields(flightLog_t *log, int32_t *frame)
                 flightlogFlightStateToString(frame[i], buffer, BUFFER_LEN);
             }
 
+            fprintf(csvFile, "%s", buffer);
+        } else if (i == log->slowFieldIndexes.failsafePhase && options.unitFlags == UNIT_FLAGS) {
+            flightlogFailsafePhaseToString(frame[i], buffer, BUFFER_LEN);
+
             fprintf(csvFile, "%s", buffer);
         } else {
             //Print raw
@@ -769,10 +774,17 @@ void applyFieldUnits(flightLog_t *log)
         }
     }
 
+    // Slow frame fields:
     if (log->slowFieldIndexes.flightModeFlags > -1) {
         slowFieldUnit[log->slowFieldIndexes.flightModeFlags] = options.unitFlags;
+    }
+    if (log->slowFieldIndexes.stateFlags > -1) {
         slowFieldUnit[log->slowFieldIndexes.stateFlags] = options.unitFlags;
     }
+    if (log->slowFieldIndexes.failsafePhase > -1) {
+        slowFieldUnit[log->slowFieldIndexes.failsafePhase] = options.unitFlags;
+    }
+
 }
 
 void writeMainCSVHeader(flightLog_t *log)
diff --git a/src/blackbox_fielddefs.c b/src/blackbox_fielddefs.c
index 8afcf89..1657e0f 100644
--- a/src/blackbox_fielddefs.c
+++ b/src/blackbox_fielddefs.c
@@ -20,3 +20,10 @@ const char * const FLIGHT_LOG_FLIGHT_STATE_NAME[] = {
     "SMALL_ANGLE",
     "FIXED_WING"
 };
+
+const char * const FLIGHT_LOG_FAILSAFE_PHASE_NAME[] = {
+    "IDLE",
+    "RX_LOSS_DETECTED",
+    "LANDING",
+    "LANDED"
+};
diff --git a/src/blackbox_fielddefs.h b/src/blackbox_fielddefs.h
index 20a9e89..5f74545 100644
--- a/src/blackbox_fielddefs.h
+++ b/src/blackbox_fielddefs.h
@@ -115,6 +115,17 @@ extern const char * const FLIGHT_LOG_FLIGHT_STATE_NAME[];
 
 #define FLIGHT_LOG_FLIGHT_STATE_COUNT 5
 
+typedef enum {
+    FAILSAFE_IDLE = 0,
+    FAILSAFE_RX_LOSS_DETECTED,
+    FAILSAFE_LANDING,
+    FAILSAFE_LANDED
+} failsafePhase_e;
+
+extern const char * const FLIGHT_LOG_FAILSAFE_PHASE_NAME[];
+
+#define FLIGHT_LOG_FAILSAFE_PHASE_COUNT 4
+
 typedef enum FlightLogEvent {
     FLIGHT_LOG_EVENT_SYNC_BEEP = 0,
     FLIGHT_LOG_EVENT_AUTOTUNE_CYCLE_START = 10,
diff --git a/src/parser.c b/src/parser.c
index 5c3830b..748a459 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
+#include <assert.h>
 
 #include "platform.h"
 #include "parser.h"
@@ -296,6 +297,8 @@ static void identifySlowFields(flightLog_t *log, flightLogFrameDef_t *frameDef)
             log->slowFieldIndexes.flightModeFlags = i;
         } else if (strcmp(fieldName, "stateFlags") == 0) {
             log->slowFieldIndexes.stateFlags = i;
+        } else if (strcmp(fieldName, "failsafePhase") == 0) {
+            log->slowFieldIndexes.failsafePhase = i;
         }
     }
 }
@@ -895,6 +898,25 @@ static void flightlogDecodeFlagsToString(uint32_t flags, int numFlags, const cha
     }
 }
 
+void flightlogDecodeEnumToString(uint32_t value, unsigned numEnums, const char * const *enumNames, char *dest, unsigned destLen)
+{
+    assert(destLen > 1);
+
+    if (value < numEnums) {
+        const char *name = enumNames[value];
+
+        if (strlen(name) < destLen) {
+            strcpy(dest, name);
+        } else {
+            dest[0] = '\0';
+        }
+    } else {
+        // Since we don't have a name for this value, print it as a raw integer instead
+
+        snprintf(dest, destLen, "%u", value);
+    }
+}
+
 void flightlogFlightModeToString(uint32_t flightMode, char *dest, int destLen)
 {
     flightlogDecodeFlagsToString(flightMode, FLIGHT_LOG_FLIGHT_MODE_COUNT, FLIGHT_LOG_FLIGHT_MODE_NAME, dest, destLen);
@@ -905,6 +927,11 @@ void flightlogFlightStateToString(uint32_t flightState, char *dest, int destLen)
     flightlogDecodeFlagsToString(flightState, FLIGHT_LOG_FLIGHT_STATE_COUNT, FLIGHT_LOG_FLIGHT_STATE_NAME, dest, destLen);
 }
 
+void flightlogFailsafePhaseToString(uint8_t failsafePhase, char *dest, int destLen)
+{
+    flightlogDecodeEnumToString(failsafePhase, FLIGHT_LOG_FAILSAFE_PHASE_COUNT, FLIGHT_LOG_FAILSAFE_PHASE_NAME, dest, destLen);
+}
+
 flightLog_t * flightLogCreate(int fd)
 {
     const char *logSearchStart;
diff --git a/src/parser.h b/src/parser.h
index 58a8159..d573fec 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -77,6 +77,7 @@ typedef struct gpsHFieldIndexes_t {
 typedef struct slowFieldIndexes_t {
     int flightModeFlags;
     int stateFlags;
+    int failsafePhase;
 } slowFieldIndexes_t;
 
 typedef struct mainFieldIndexes_t {
@@ -171,6 +172,7 @@ double flightlogGyroToRadiansPerSecond(flightLog_t *log, int32_t gyroRaw);
 double flightlogAccelerationRawToGs(flightLog_t *log, int32_t accRaw);
 void flightlogFlightModeToString(uint32_t flightMode, char *dest, int destLen);
 void flightlogFlightStateToString(uint32_t flightState, char *dest, int destLen);
+void flightlogFailsafePhaseToString(uint8_t failsafePhase, char *dest, int destLen);
 
 bool flightLogParse(flightLog_t *log, int logIndex, FlightLogMetadataReady onMetadataReady, FlightLogFrameReady onFrameReady, FlightLogEventReady onEvent, bool raw);
 void flightLogDestroy(flightLog_t *log);
diff --git a/visual-studio/blackbox_decode/blackbox_decode.vcxproj b/visual-studio/blackbox_decode/blackbox_decode.vcxproj
index b4d4358..0986fde 100644
--- a/visual-studio/blackbox_decode/blackbox_decode.vcxproj
+++ b/visual-studio/blackbox_decode/blackbox_decode.vcxproj
@@ -53,7 +53,9 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\lib\getopt_mb_uni\getopt.c" />
+    <ClCompile Include="..\..\src\battery.c" />
     <ClCompile Include="..\..\src\blackbox_decode.c" />
+    <ClCompile Include="..\..\src\blackbox_fielddefs.c" />
     <ClCompile Include="..\..\src\decoders.c" />
     <ClCompile Include="..\..\src\gpxwriter.c" />
     <ClCompile Include="..\..\src\imu.c" />
@@ -65,6 +67,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\lib\getopt_mb_uni\getopt.h" />
+    <ClInclude Include="..\..\src\battery.h" />
     <ClInclude Include="..\..\src\decoders.h" />
     <ClInclude Include="..\..\src\gpxwriter.h" />
     <ClInclude Include="..\..\src\imu.h" />
diff --git a/visual-studio/blackbox_decode/blackbox_decode.vcxproj.filters b/visual-studio/blackbox_decode/blackbox_decode.vcxproj.filters
index 269cd3f..ad46cee 100644
--- a/visual-studio/blackbox_decode/blackbox_decode.vcxproj.filters
+++ b/visual-studio/blackbox_decode/blackbox_decode.vcxproj.filters
@@ -45,6 +45,12 @@
     <ClCompile Include="..\..\src\units.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\battery.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\blackbox_fielddefs.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\parser.h">
@@ -74,5 +80,8 @@
     <ClInclude Include="..\..\src\units.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\battery.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/visual-studio/blackbox_render/blackbox_render.vcxproj b/visual-studio/blackbox_render/blackbox_render.vcxproj
index c4c6ed3..c45581e 100644
--- a/visual-studio/blackbox_render/blackbox_render.vcxproj
+++ b/visual-studio/blackbox_render/blackbox_render.vcxproj
@@ -66,6 +66,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\lib\getopt_mb_uni\getopt.c" />
+    <ClCompile Include="..\..\src\blackbox_fielddefs.c" />
     <ClCompile Include="..\..\src\blackbox_render.c" />
     <ClCompile Include="..\..\src\datapoints.c" />
     <ClCompile Include="..\..\src\decoders.c" />
diff --git a/visual-studio/blackbox_render/blackbox_render.vcxproj.filters b/visual-studio/blackbox_render/blackbox_render.vcxproj.filters
index 11a53aa..d3b3c60 100644
--- a/visual-studio/blackbox_render/blackbox_render.vcxproj.filters
+++ b/visual-studio/blackbox_render/blackbox_render.vcxproj.filters
@@ -80,5 +80,8 @@
     <ClCompile Include="..\..\src\stream.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\blackbox_fielddefs.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file