Plane touched event not connecting?

I'm currently working on a game where you can fly a plane. I'm currently trying to implement a system where if the plane collides with a part it checks the speed and if it was going over a certain speed it explodes. I'm controlling the plain using UserInputService and moving it with CFrames. This is all being done in a Local Script. The plane object is a meshPart and planeHitBox is a basePart.

The problem is when I run the code even after colliding with things it doesn't trigger an event, i.e. the print statement doesn't run inside the function. Here's my code:

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Players = game:GetService("Players")
local UIS = game:GetService("UserInputService")

local plane = workspace.Plane
local startFrame = plane.CFrame

local roll = CFrame.Angles(0,0,0)
local pitch = CFrame.Angles(0,0,0)
local yaw = CFrame.Angles(0,0,0)
local throttle = CFrame.new(0,0,-0.5)

--Throttle Controls
local THROTTLE_SPEED = 0.08
local MAX_THROTTLE = 3
local THROTTLE_DECLERATION = 0.02

--Other Controls
local ROLL_SPEED = 0.1
local PITCH_SPEED = 0.05
local YAW_SPEED = 0.02

--Physic Values
local DRAG = 0.05

local isInput = false

local function breakPlane()
	roll = CFrame.Angles(0,0,0)
	pitch = CFrame.Angles(0,0,0)
	yaw = CFrame.Angles(0,0,0)
	throttle = CFrame.new(0,0,0)
	plane.Anchored = true
	plane.Fire.Enabled = true
	plane.Explosion.Position = plane.Position
	plane.Explosion.Visible = true
end

ReplicatedStorage.switchView.Event:Connect(function()
	local camera = workspace.CurrentCamera
	print("Fired")
		
	plane.planeHitBox.Touched:Connect(function()
		print("collison")
		local throtPos = throttle.Position
		print(throtPos)
		if throtPos.X > 1 or throtPos.Y > 1 or throtPos.Z >1 then
			breakPlane()
		end
	end)
	
	UIS.InputEnded:Connect(function()
		isInput = false
		roll = CFrame.Angles(0,0,0)
		pitch = CFrame.Angles(0,0,0)
		yaw = CFrame.Angles(0,0,0)
	end)
	
	UIS.InputBegan:Connect(function(input)
		local key = input.KeyCode
		local keyC = Enum.KeyCode
		isInput = true
		repeat
			if key == keyC.A then
				--Yaw Left
				yaw *= CFrame.Angles(0,math.rad(YAW_SPEED),0)
			elseif key == keyC.D then
				--Yaw Right
				yaw *= CFrame.Angles(0,math.rad(-YAW_SPEED),0,0)
			elseif key == keyC.W then
				--Pitch Down
				pitch *= CFrame.Angles(math.rad(-PITCH_SPEED),0,0)
			elseif key == keyC.S then
				--Pitch Up
				pitch *= CFrame.Angles(math.rad(PITCH_SPEED),0,0)
			elseif key == keyC.E then
				--Roll Right
				roll *= CFrame.Angles(0,0,math.rad(-ROLL_SPEED))
			elseif key == keyC.Q then
				--Roll Left
				roll *= CFrame.Angles(0,0,math.rad(ROLL_SPEED))
			elseif key == keyC.R then
				--Increase Throttle
				if throttle.Position.Z > -MAX_THROTTLE then
					throttle *= CFrame.new(0,0,-THROTTLE_SPEED)
				end
			elseif key == keyC.F then
				--Decrease Throttle
				if throttle.Position.Z <= -0.5 then
					throttle *= CFrame.new(0,0,THROTTLE_DECLERATION)
				end
			end
			wait()
		until isInput == false
	end)
	
	while true do
		wait()
		camera.CFrame = plane.planeCamera.CFrame
		plane.CFrame = plane.CFrame * throttle * pitch * roll * yaw * CFrame.new(0,0,DRAG)
	end
end)

All help is appreciated thank you! If you have any questions just comment on this and I'll respond.