diff --git a/src/board/system76/darp5/acpi.c b/src/board/system76/darp5/acpi.c
index 85d5fda..e42f6ae 100644
--- a/src/board/system76/darp5/acpi.c
+++ b/src/board/system76/darp5/acpi.c
@@ -57,6 +57,13 @@ uint8_t acpi_read(uint8_t addr) {
         ACPI_16(0x2E, battery_remaining_capacity);
         ACPI_16(0x32, battery_voltage);
 
+        // Airplane mode LED
+        case 0xD9:
+            if (!gpio_get(&LED_AIRPLANE_N)) {
+                data |= (1 << 6);
+            }
+            break;
+
         // Set size of flash (from old firmware)
         ACPI_8 (0xE5, 0x80);
     }
@@ -74,5 +81,10 @@ void acpi_write(uint8_t addr, uint8_t data) {
         case 0x03:
             lid_wake = (bool)(data & (1 << 2));
             break;
+
+        // Airplane mode LED
+        case 0xD9:
+            gpio_set(&LED_AIRPLANE_N, !(bool)(data & (1 << 6)));
+            break;
     }
 }
diff --git a/src/board/system76/darp5/gpio.c b/src/board/system76/darp5/gpio.c
index b8c39da..c9a882c 100644
--- a/src/board/system76/darp5/gpio.c
+++ b/src/board/system76/darp5/gpio.c
@@ -12,6 +12,7 @@ struct Gpio __code DD_ON =          GPIO(E, 4);
 struct Gpio __code EC_EN =          GPIO(E, 1);
 struct Gpio __code EC_RSMRST_N =    GPIO(E, 5);
 struct Gpio __code LED_ACIN =       GPIO(C, 7);
+struct Gpio __code LED_AIRPLANE_N = GPIO(G, 6);
 struct Gpio __code LED_BAT_CHG =    GPIO(A, 5);
 struct Gpio __code LED_BAT_FULL =   GPIO(A, 6);
 struct Gpio __code LED_PWR =        GPIO(A, 7);
@@ -48,7 +49,7 @@ void gpio_init() {
     GPDRD = (1 << 5) | (1 << 4) | (1 << 3);
     GPDRE = 0;
     GPDRF = 0xC0; // (1 << 7) | (1 << 6)
-    GPDRG = 0;
+    GPDRG = (1 << 6);
     GPDRH = 0;
     GPDRI = 0;
     GPDRJ = 0;
diff --git a/src/board/system76/darp5/include/board/gpio.h b/src/board/system76/darp5/include/board/gpio.h
index bb2bc9a..c08a40f 100644
--- a/src/board/system76/darp5/include/board/gpio.h
+++ b/src/board/system76/darp5/include/board/gpio.h
@@ -23,6 +23,7 @@ extern struct Gpio __code DD_ON;
 extern struct Gpio __code EC_EN;
 extern struct Gpio __code EC_RSMRST_N;
 extern struct Gpio __code LED_ACIN;
+extern struct Gpio __code LED_AIRPLANE_N;
 extern struct Gpio __code LED_BAT_CHG;
 extern struct Gpio __code LED_BAT_FULL;
 extern struct Gpio __code LED_PWR;
diff --git a/src/board/system76/darp5/main.c b/src/board/system76/darp5/main.c
index 3bc8107..996092f 100644
--- a/src/board/system76/darp5/main.c
+++ b/src/board/system76/darp5/main.c
@@ -113,17 +113,11 @@ void lid_event(void) {
     last = new;
 }
 
-struct Gpio __code LED_SSD_N = GPIO(G, 6);
-struct Gpio __code LED_AIRPLANE_N = GPIO(G, 6);
-
 void main(void) {
     init();
 
     INFO("\n");
 
-    // Set the battery full LED (to know our firmware is loading)
-    gpio_set(&LED_BAT_CHG, true);
-
 #if GPIO_DEBUG
     gpio_debug();
 #endif
@@ -145,8 +139,6 @@ void main(void) {
     gpio_set(&SMI_N, true);
     gpio_set(&SWI_N, true);
 
-    // Set the battery full LED (to know our firmware is loaded)
-    gpio_set(&LED_BAT_FULL, true);
     INFO("Hello from System76 EC for %s!\n", xstr(__BOARD__));
 
     for(main_cycle = 0; ; main_cycle++) {
diff --git a/src/board/system76/galp3-c/acpi.c b/src/board/system76/galp3-c/acpi.c
index 85d5fda..e42f6ae 100644
--- a/src/board/system76/galp3-c/acpi.c
+++ b/src/board/system76/galp3-c/acpi.c
@@ -57,6 +57,13 @@ uint8_t acpi_read(uint8_t addr) {
         ACPI_16(0x2E, battery_remaining_capacity);
         ACPI_16(0x32, battery_voltage);
 
+        // Airplane mode LED
+        case 0xD9:
+            if (!gpio_get(&LED_AIRPLANE_N)) {
+                data |= (1 << 6);
+            }
+            break;
+
         // Set size of flash (from old firmware)
         ACPI_8 (0xE5, 0x80);
     }
@@ -74,5 +81,10 @@ void acpi_write(uint8_t addr, uint8_t data) {
         case 0x03:
             lid_wake = (bool)(data & (1 << 2));
             break;
+
+        // Airplane mode LED
+        case 0xD9:
+            gpio_set(&LED_AIRPLANE_N, !(bool)(data & (1 << 6)));
+            break;
     }
 }
diff --git a/src/board/system76/galp3-c/gpio.c b/src/board/system76/galp3-c/gpio.c
index b8c39da..c9a882c 100644
--- a/src/board/system76/galp3-c/gpio.c
+++ b/src/board/system76/galp3-c/gpio.c
@@ -12,6 +12,7 @@ struct Gpio __code DD_ON =          GPIO(E, 4);
 struct Gpio __code EC_EN =          GPIO(E, 1);
 struct Gpio __code EC_RSMRST_N =    GPIO(E, 5);
 struct Gpio __code LED_ACIN =       GPIO(C, 7);
+struct Gpio __code LED_AIRPLANE_N = GPIO(G, 6);
 struct Gpio __code LED_BAT_CHG =    GPIO(A, 5);
 struct Gpio __code LED_BAT_FULL =   GPIO(A, 6);
 struct Gpio __code LED_PWR =        GPIO(A, 7);
@@ -48,7 +49,7 @@ void gpio_init() {
     GPDRD = (1 << 5) | (1 << 4) | (1 << 3);
     GPDRE = 0;
     GPDRF = 0xC0; // (1 << 7) | (1 << 6)
-    GPDRG = 0;
+    GPDRG = (1 << 6);
     GPDRH = 0;
     GPDRI = 0;
     GPDRJ = 0;
diff --git a/src/board/system76/galp3-c/include/board/gpio.h b/src/board/system76/galp3-c/include/board/gpio.h
index bb2bc9a..c08a40f 100644
--- a/src/board/system76/galp3-c/include/board/gpio.h
+++ b/src/board/system76/galp3-c/include/board/gpio.h
@@ -23,6 +23,7 @@ extern struct Gpio __code DD_ON;
 extern struct Gpio __code EC_EN;
 extern struct Gpio __code EC_RSMRST_N;
 extern struct Gpio __code LED_ACIN;
+extern struct Gpio __code LED_AIRPLANE_N;
 extern struct Gpio __code LED_BAT_CHG;
 extern struct Gpio __code LED_BAT_FULL;
 extern struct Gpio __code LED_PWR;
diff --git a/src/board/system76/galp3-c/main.c b/src/board/system76/galp3-c/main.c
index 3bc8107..996092f 100644
--- a/src/board/system76/galp3-c/main.c
+++ b/src/board/system76/galp3-c/main.c
@@ -113,17 +113,11 @@ void lid_event(void) {
     last = new;
 }
 
-struct Gpio __code LED_SSD_N = GPIO(G, 6);
-struct Gpio __code LED_AIRPLANE_N = GPIO(G, 6);
-
 void main(void) {
     init();
 
     INFO("\n");
 
-    // Set the battery full LED (to know our firmware is loading)
-    gpio_set(&LED_BAT_CHG, true);
-
 #if GPIO_DEBUG
     gpio_debug();
 #endif
@@ -145,8 +139,6 @@ void main(void) {
     gpio_set(&SMI_N, true);
     gpio_set(&SWI_N, true);
 
-    // Set the battery full LED (to know our firmware is loaded)
-    gpio_set(&LED_BAT_FULL, true);
     INFO("Hello from System76 EC for %s!\n", xstr(__BOARD__));
 
     for(main_cycle = 0; ; main_cycle++) {