| SONAR | Sound navigation and ranging system (5) |
| RADAR | Radio detecting and ranging system of objects and determining its direction, distance, height or speed |
| RADIO | Radar is short for ___ Detection And Ranging. (5) |
| SEXTANTS | Instruments for taking altitudes in navigation and surveying (8) |
| KNOT | A measure of speed used in navigation and meteorology (4) |
| ECHOSOUNDER | A navigation and position-finding device that determines depth by transmitting acoustic waves into water (4,7) |
| DETECTION | Radio ____ and ranging, meaning of the acronym 'radar' used in traffic control etc (9) |
| AMBER | With hundreds of shades ranging from honey, butterscotch and citrine to cherry and cognac, a form of fossilised pine-tree resin prized as a gem (5) |
| OCHRE | Ranging in colour from yellow and orange to red and brown, the earliest known pigment used by humans (5) |
| TAROT | A fortune-teller's pack or "spread" of veritable paper windows of the soul, ranging from Strength and the Sun to the Fool and Death (5) |
| HILLS | Peaks ranging in size from Marilyn and mountain to mole mound (5) |
| DOLLY | Word ranging in meaning from a child's moppet or poupee with which to play, to an offering of flowers, fruit and sweetmeats, presented on a tray (5) |
| SNAGS | Word ranging from river-bed tree hazards, hitches in plans and ladders in hosiery to sizzling Aussie bangers (5) |
| LARGE | Wide-ranging section of molecular genetics (5) |
| DELTA | Wide-ranging river mouth area (5) |
| BROAD | Wide-ranging (5) |
| PULSE | Bodily palpitation ranging between 60-100 bpm for a healthy adult or 40-60 bpm for an athlete (at rest) (5) |
| KHAKI | Ranging from buff to dull-green, a colour used for military uniforms, chinos, cargo pants, camouflage, safari shorts... (5) |
| ULTRA | -marathon; endurance event ranging from 50-100 miles or longer (5) |
| PEARL | Gem ranging in colour from the white Akoya, golden South Sea or black Tahitian varieties of an oyster to the pink, peach or lavender examples of a freshwater mussel (5) |
