| GLENNCURTISS | American aviation and motorcycling pioneer; a member of the Aerial Experiment Association from 1908 (5,7) |
| RADIO | From a word for a beam of light, electromagnetic communication for which Marconi and Tesla were pioneers; a wireless; or, the industry of broadcasting sound (5) |
| AMELIAEARHART | American aviation pioneer and author who in 1932 was the first female aviator to fly solo across the Atlantic Ocean |
| ORVILLEWRIGHT | The younger of the two American aviation pioneers (7,6) |
| MOTHERS | A celebration on the second Sunday in May for Australia and the US, but in March for the English, ... Day became popular from 1908 (6'1) |
| BELGIAN | And 5 Name by which the Democratic Republic of the Congo was known from 1908-60 (7,5) |
| COE | Double Olympic gold middle-distance runner who was chairman of the British Olympic Association from 2012-16 (3) |
| MCCAGUE | Sean ....... , 33rd president of the Gaelic Athletic Association from 2000 to 2003 (7) |
| NASA | An independent agency of the United States government responsible for aviation and spaceflight. |
| INORBIT | Life ___ ___: The International Space Station (Current exhibition at the Canada Aviation and Space Museum) |
| LEAR | Private jet maker Bill __, founder of the Swiss American Aviation Corporation |
| LEARJET | Kansas-based aerospace manufacturer founded in the 1950s as the Swiss American Aviation Corporation (7) |
| UFO | With the milk of human kindness return the aerial (3) |
| UHF | With the milk of human kindness return the aerial (3) |
| CONGO | Name by which the Democratic Republic of the Congo was known from 1908-60 (7,5) |
| BELGIANCONGO | Name by which the Democratic Republic of the Congo was known from 1908-60 (7,5) |
| LUGER | What was the standard pistol of the German armed forces from 1908 to 1938? (5) |
| SETTER | The novice leaves the pioneer a dog (6) |
| THROUGHTHEROOF | Take into consideration protagonist of "Where the aerial goes" (7,3,4) |
| TRAPEZE | Type of swing used by circus acrobats in the aerial art developed by Jules Leotard (7) |