| SKILIFT | Gondola, T-bar, cable car, funifor, funitel: a system for transporting winter sportsmen/women up mountains (3,4) |
| AIRMAIL | Broadcast by the Italian on academic creating a system for transporting letters (7) |
| ROPEWAY | System for transporting passengers or freight in carriers suspended from a cable (7) |
| RUSHMORE | Gutzon Borglum carved the faces of Washington, Jefferson, Lincoln and Roosevelt into this famous Mou |
| SEISMIC | Shocking omission of "the plural of mou___e" (7) |
| AGORI | To .... Mou, 2000 Guineas winner in 1981 (5) |
| KEY | A system for decrypting a secret cipher/code; a map's legend; the correct unique first move in the solution of a chess problem; or, a crib translation (3) |
| NOTATION | A system for writing down a vague idea including brief acknowledgment of appreciation (8) |
| DEWEY | Melvil ___, US inventor of a system for the classification of library books (5) |
| ESTIMATING | Am I testing out a system for judging the worth of something (10) |
| VESTED | ____ interest, one normally supporting the continuance of a system for personal reasons (6) |
| SKILIFTS | They're often taken up by winter sportsmen |
| SKIERS | There's no ban on bearskins for the winter sportsmen (6) |
| SNOWBOARDERS | Son confused women, live-in students and winter sportsmen (12) |
| ETHERNET | A system for networking computers (8) |
| PYRAMID | A system for selling Egyptian tomb |
| GATE | Get a system for entering the field |
| RADAR | A system for detecting aircraft (5) |
| ABACUS | A system for paying contributors across union counter (6) |
| SONAR | A system for detecting underwater objects using sound (5) |