HI there, I used /killheli and it simply  set the health of the heli to 0, and it reset back to 10k

I see a post about this 3 months ago someone reporting and its doing same thing for me currently any ideas? Ive tried deleting all data\config files and reloading plugin.

was getting this as well

Failed to call hook 'cmdKillHeli' on plugin 'HeliControl v1.4.4' (NullReferenceException: Object reference not set to an instance of an object)
  at BaseHelicopter.OnKilled (HitInfo info) [0x00090] in :0

  at BaseCombatEntity.DieInstantly () [0x00049] in :0

  at Oxide.Plugins.HeliControl.KillAllHelis (System.Boolean isForced) [0x00076] in :0

  at Oxide.Plugins.HeliControl.cmdKillHeli (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x0003c] in :0

  at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x018f9] in :0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in :0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in :0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0

Same here,  Killheli is of function

still have the same error too when using /killheli

Failed to call hook 'cmdKillHeli' on plugin 'HeliControl v1.4.5' (NullReferenceException: Object reference not set to an instance of an object)

  at PatrolHelicopter.OnKilled (HitInfo info) [0x00090] in <de685e9c002c41b8baf9076f3d3cb421>:0

  at BaseCombatEntity.DieInstantly () [0x00049] in <de685e9c002c41b8baf9076f3d3cb421>:0

  at Oxide.Plugins.HeliControl.KillAllHelis (System.Boolean isForced) [0x00061] in <c7f076d57bcf4bba92137dc3d71fbbd3>:0

  at Oxide.Plugins.HeliControl.cmdKillHeli (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x00031] in <c7f076d57bcf4bba92137dc3d71fbbd3>:0

  at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x01950] in <c7f076d57bcf4bba92137dc3d71fbbd3>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <87ce9ac9776a48658bc55eae6debe38b>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <cd7231f30b444d86bc6cca8a53cdd2ea>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <cd7231f30b444d86bc6cca8a53cdd2ea>:0

The same here!

(16:06:28) | Failed to call hook 'cmdKillHeli' on plugin 'HeliControl v1.4.5' (NullReferenceException: Object reference not set to an instance of an object)

at PatrolHelicopter.OnKilled (HitInfo info) [0x00090] in <ea6d5972af774897b2ddf71e06b9c234>:0

at BaseCombatEntity.DieInstantly () [0x00049] in <ea6d5972af774897b2ddf71e06b9c234>:0

at Oxide.Plugins.HeliControl.KillAllHelis (System.Boolean isForced) [0x00061] in <15159d69973c45218e64e11ebbaaf2f8>:0

at Oxide.Plugins.HeliControl.cmdKillHeli (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x00031] in <15159d69973c45218e64e11ebbaaf2f8>:0

at Oxide.Plugins.HeliControl.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x01950] in <15159d69973c45218e64e11ebbaaf2f8>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <87ce9ac9776a48658bc55eae6debe38b>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <cd7231f30b444d86bc6cca8a53cdd2ea>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <cd7231f30b444d86bc6cca8a53cdd2ea>:0