diff --git a/conf/airframes/microjet3.xml b/conf/airframes/microjet3.xml
new file mode 100644
index 0000000000..fc6fd50e37
--- /dev/null
+++ b/conf/airframes/microjet3.xml
@@ -0,0 +1,86 @@
+<airframe name="Microjet three" ctl_board="V1_2_1" gps="SAM_LS">
+  <section name="adc" prefix="ADC_CHANNEL_">
+    <define name="IR1" value="1" nb_sample="8"/> <!-- 8 samples correspond to X Hz rafraichissement -->
+    <define name="IR2" value="0" nb_sample="8"/>
+  </section>
+  <servos min="1000" neutral="1500" max="2000">
+    <servo name="GAZ"           no="3" min="1000" neutral="1000" max="2000"/>
+    <servo name="AILEVON_LEFT"  no="0" min="1000" neutral="1568" max="2000"/>
+    <servo name="AILEVON_RIGHT" no="2" min="1000" neutral="1450" max="2000"/>
+  </servos>
+  <command>
+    <set servo="GAZ" value="2 * @THROTTLE"/>
+    <let var="aileron" value="@ROLL * AILEVON_AILERON_RATE"/>
+    <let var="elevator" value="@PITCH * AILEVON_ELEVATOR_RATE"/>
+    <set servo="AILEVON_LEFT" value="$aileron + $elevator"/>
+    <set servo="AILEVON_RIGHT" value="$aileron - $elevator"/>
+  </command>
+  <section name="MIXER">
+    <define name="AILEVON_AILERON_RATE" value="0.55"/>
+    <define name="AILEVON_ELEVATOR_RATE" value="0.75"/>
+  </section>
+  <section name="INFRARED" prefix="IR_">
+    <define name="ROLL_NEUTRAL_DEFAULT" value="0"/>
+    <define name="PITCH_NEUTRAL_DEFAULT" value="-880"/>
+    <define name="DEFAULT_CONTRAST" value="400"/>
+    <define name="RAD_OF_IR_CONTRAST" value="0.6"/>
+    <linear name="RollOfIrs" arity="2" coeff1="-1" coeff2="1"/>
+    <linear name="PitchOfIrs" arity="2" coeff1="-1" coeff2="-1"/>
+    <define name="RAD_OF_IR_MAX_VALUE" value="0.0045"/>
+    <define name="RAD_OF_IR_MIN_VALUE" value="0.00075"/>
+  </section>
+  <section name="PID">
+    <define name="ROLL_PGAIN" value="7000."/>
+    <define name="PITCH_OF_ROLL" value="0.2"/>
+    <define name="PITCH_PGAIN" value="10000."/>
+    <define name="MAX_ROLL" value="0.4"/>
+    <define name="MAX_PITCH" value="0.25"/>
+    <define name="MIN_PITCH" value="-0.35"/>
+  </section>
+  <section name="ALT" prefix="CLIMB_">
+    <define name="PGAIN" value="-0.025"/>
+    <define name="IGAIN" value="0.01"/>
+    <define name="MAX" value="1."/>
+    <define name="LEVEL_GAZ" value="0.35"/>
+    <define name="GAZ_OF_CLIMB" value="0.2" unit="% / m/s"/>
+    <define name="PITCH_OF_VZ_PGAIN" value="0.00"/>
+    <define name="PITCH_PGAIN" value="-0.1"/>
+    <define name="PITCH_IGAIN" value="1.0"/>
+  </section>
+  <section name="NAV">
+    <define name="COURSE_PGAIN" value="-0.3"/>
+    <define name="ALTITUDE_PGAIN" value="-0.05"/>
+    <define name="NAV_PITCH" value="0."/>
+  </section>
+  <section name="BAT" channel="3">
+    <define name="VOLTAGE_ADC_A" value="0.016892"/>
+    <define name="VOLTAGE_ADC_B" value="0.083604"/>
+    <define name="VoltageOfAdc(adc)" value="(VOLTAGE_ADC_A * adc + VOLTAGE_ADC_B)"/>
+    <define name="LOW_BATTERY" value="90" unit="1e-1V"/>
+  </section>
+  <section name="SERVOS" channel="6">
+    <define name="SERVOS_VOLTAGE_ADC_A" value="0.005661"/>
+    <define name="SERVOS_VOLTAGE_ADC_B" value="0.014948"/>
+    <define name="ServosVoltageOfAdc(adc)" value="(VOLTAGE_ADC_A * adc + VOLTAGE_ADC_B)"/>
+  </section>
+  <section name="MISC">
+    <define name="NOMINAL_AIRSPEED" value="13."/>
+    <define name="CARROT" value="5." unit="s"/>
+  </section>
+  <section name="AUTO1" prefix="AUTO1_">
+    <define name="MAX_ROLL" value="0.6"/>
+    <define name="MAX_PITCH" value="0.5"/>
+  </section>
+<!--
+  <section name="SIMU">
+    <define name="ROLL_RESPONSE_FACTOR" value="10."/>
+    <define name="YAW_RESPONSE_FACTOR" value="2."/>
+    <define name="WEIGHT" value="0.45"/>
+  </section>
+-->
+  <section name="SIMU">
+    <define name="ROLL_RESPONSE_FACTOR" value="5."/>
+    <define name="YAW_RESPONSE_FACTOR" value="1."/>
+    <define name="WEIGHT" value="0.45"/>
+  </section>
+</airframe>