diff --git a/src/descriptor.c b/src/descriptor.c
index e9f4540..794b825 100644
--- a/src/descriptor.c
+++ b/src/descriptor.c
@@ -219,6 +219,7 @@ static const dc_descriptor_t g_descriptors[] = {
 	{"Aqualung", "i450T",               DC_FAMILY_OCEANIC_ATOM2, 0x4641, DC_TRANSPORT_SERIAL, NULL},
 	{"Aqualung", "i550",                DC_FAMILY_OCEANIC_ATOM2, 0x4642, DC_TRANSPORT_SERIAL, NULL},
 	{"Aqualung", "i200",                DC_FAMILY_OCEANIC_ATOM2, 0x4646, DC_TRANSPORT_SERIAL, NULL},
+	{"Aqualung", "i300C",               DC_FAMILY_OCEANIC_ATOM2, 0x4648, DC_TRANSPORT_SERIAL, NULL},
 	{"Aqualung", "i100",                DC_FAMILY_OCEANIC_ATOM2, 0x464E, DC_TRANSPORT_SERIAL, NULL},
 	{"Aqualung", "i770R",               DC_FAMILY_OCEANIC_ATOM2, 0x4651, DC_TRANSPORT_SERIAL, NULL},
 	/* Mares Nemo */
diff --git a/src/oceanic_atom2.c b/src/oceanic_atom2.c
index debade1..950eb06 100644
--- a/src/oceanic_atom2.c
+++ b/src/oceanic_atom2.c
@@ -121,6 +121,7 @@ static const oceanic_common_version_t oceanic_atom2b_version[] = {
 	{"AQUAI300 \0\0 512K"},
 	{"HOLLDG03 \0\0 512K"},
 	{"AQUAI100 \0\0 512K"},
+	{"AQUA300C \0\0 512K"},
 };
 
 static const oceanic_common_version_t oceanic_atom2c_version[] = {
diff --git a/src/oceanic_atom2_parser.c b/src/oceanic_atom2_parser.c
index 8a35c4f..e65cbbc 100644
--- a/src/oceanic_atom2_parser.c
+++ b/src/oceanic_atom2_parser.c
@@ -86,6 +86,7 @@
 #define I450T       0x4641
 #define I550        0x4642
 #define I200        0x4646
+#define I300C       0x4648
 #define I100        0x464E
 #define I770R       0x4651
 
@@ -159,7 +160,7 @@ oceanic_atom2_parser_create (dc_parser_t **out, dc_context_t *context, unsigned
 		model == A300 || model == MANTA ||
 		model == INSIGHT2 || model == ZEN ||
 		model == I300 || model == I550 ||
-		model == I200) {
+		model == I200 || model == I300C) {
 		parser->headersize -= PAGESIZE;
 	} else if (model == VT4 || model == VT41) {
 		parser->headersize += PAGESIZE;
@@ -276,6 +277,7 @@ oceanic_atom2_parser_get_datetime (dc_parser_t *abstract, dc_datetime_t *datetim
 		case I300:
 		case I200:
 		case I100:
+		case I300C:
 			datetime->year   = ((p[3] & 0xE0) >> 1) + (p[4] & 0x0F) + 2000;
 			datetime->month  = (p[4] & 0xF0) >> 4;
 			datetime->day    = p[3] & 0x1F;
@@ -709,7 +711,8 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 		parser->model == A300 || parser->model == ZEN ||
 		parser->model == GEO || parser->model == GEO20 ||
 		parser->model == MANTA || parser->model == I300 ||
-		parser->model == I200 || parser->model == I100) {
+		parser->model == I200 || parser->model == I100 ||
+		parser->model == I300C) {
 		have_pressure = 0;
 	}
 
@@ -864,7 +867,8 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 					parser->model == OC1B || parser->model == OC1C ||
 					parser->model == OCI || parser->model == A300 ||
 					parser->model == I450T || parser->model == I300 ||
-					parser->model == I200 || parser->model == I100) {
+					parser->model == I200 || parser->model == I100 ||
+					parser->model == I300C) {
 					temperature = data[offset + 3];
 				} else if (parser->model == OCS || parser->model == TX1) {
 					temperature = data[offset + 1];
@@ -934,7 +938,8 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 				parser->model == OC1B || parser->model == OC1C ||
 				parser->model == OCI || parser->model == A300 ||
 				parser->model == I450T || parser->model == I300 ||
-				parser->model == I200 || parser->model == I100)
+				parser->model == I200 || parser->model == I100 ||
+				parser->model == I300C)
 				depth = (data[offset + 4] + (data[offset + 5] << 8)) & 0x0FFF;
 			else if (parser->model == ATOM1)
 				depth = data[offset + 3] * 16;
@@ -985,7 +990,7 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
 			} else if (parser->model == I200 || parser->model == I300 ||
 				parser->model == OC1A || parser->model == OC1B ||
 				parser->model == OC1C || parser->model == OCI ||
-				parser->model == I100) {
+				parser->model == I100 || parser->model == I300C) {
 				decostop = (data[offset + 7] & 0xF0) >> 4;
 				decotime = array_uint16_le(data + offset + 6) & 0x0FFF;
 				have_deco = 1;