| Other models followed, including the Courier, the world's first single-engine monoplane with retractable undercarriage. |
| The top flight, and much of the undercarriage, of football in this country is a cosmopolitan mix of cultures and attitudes. |
| When I asked, I was told all the leaves are gumming up the undercarriage of trains and it can take up to a week to clean them. |
| It came to rest near the flightline, the only damage being a bent propeller, starboard undercarriage door and some dented pride. |
| The undercarriage supports the house structure and includes the tracks, drive sprockets, rollers, and idlers. |
| In turn, the hanging undercarriage made it even more difficult for the pilot to control the aircraft. |
