diff -r 599f136d4f32 -r 833ab5b359e5 hedgewars/uVariables.pas
--- a/hedgewars/uVariables.pas	Sun Jan 13 15:54:10 2019 +0100
+++ b/hedgewars/uVariables.pas	Sun Jan 13 17:02:15 2019 +0100
@@ -1290,7 +1290,7 @@
                 Timer: 0;
                 Pos: 0;
                 AmmoType: amAirAttack;
-                AttackVoice: sndIncoming;
+                AttackVoice: sndNone; // handled in doStepAirAttack
                 Bounciness: defaultBounciness);
             Slot: 5;
             TimeAfterTurn: 0;
@@ -1318,7 +1318,7 @@
                 Timer: 0;
                 Pos: 0;
                 AmmoType: amMineStrike;
-                AttackVoice: sndIncoming;
+                AttackVoice: sndNone; // handled in doStepAirAttack
                 Bounciness: defaultBounciness);
             Slot: 5;
             TimeAfterTurn: 0;
@@ -1615,7 +1615,7 @@
                 Timer: 0;
                 Pos: 0;
                 AmmoType: amNapalm;
-                AttackVoice: sndIncoming;
+                AttackVoice: sndNone; // handled in doStepAirAttack
                 Bounciness: defaultBounciness);
             Slot: 5;
             TimeAfterTurn: 0;
@@ -2222,7 +2222,7 @@
                 Timer: 5000;
                 Pos: 0;
                 AmmoType: amDrillStrike;
-                AttackVoice: sndIncoming;
+                AttackVoice: sndNone; // handled in doStepAirAttack
                 Bounciness: defaultBounciness);
             Slot: 5;
             TimeAfterTurn: 0;