Possible Clues:

• '50s auto feature inspired by jets (Last two letters + ...)
• Suffer failure primarily in metal steering mechanism
• Vertical stabiliser on plane - decoration on old automobile
• Car brake light holder, once
• '50s auto feature
• Plane thus ascending, holding one in its rear panel
• Feature on many 1950's cars
• Aircraft's vertical stabilizer
• Follow nice ending with something that will provide stability for the pilot
• Plane part at the rear