Pull the Workplane tool (located on the Top right Corner) and drag it to the BACK end of the cylinder until you see the Orange Workplane box (see left). Then let go of your mouse to set the workplane

Remember if it is in the wrong place simply click the undo button (top left curved arrow) or press ctrl + z

From our shapes box, add a TUBE to the workplane

Select the solid color in the Shape Inspector box and choose dark grey

With the TUBE selected, click the bottom right WHITE HANDLE 

Change the DIAMETER to 8 mm (Enter 8 in each of dimension dialog boxes)

Click ENTER on the keyboard

With the TUBE selected, click the TOP WHITE HANDLE 

Enter 4 in the dimension dialog box

Click ENTER on the keyboard

Change the cone color to yellow

GROUP them together and set the color to MULTICOLOR!

NOTE: ONLY align to the BOTTOM CENTER!

With the UP arrow key nudge the tube up to center it on the back of the jet!

Click the workplane tool and drag it to any white space to reset

Set the color to MULTICOLOR!

Add a HALF SPHERE to the workplane

Change the height to 4 (top WHITE handle)

Enter 4

Click ENTER on the keyboard

Change the width to 9mm (click the RIGHT BLACK handle)

Enter 9 in the width box

Click ENTER on the keyboard

Select the half sphere

In the Shape inspection dialog box, click the solid color and change to LIGHT GRAY

Click TRANSPARENT 

Click ENTER on the keyboard

Select the half sphere

Pull up on the Black Cone

Enter 8 in the box

Click ENTER on the keyboard

Deselect the objects by simply click anywhere on the workplane

NOTE: DO NOT GROUP THE CANOPY TO THE JET!!! It will lose transparency.