| Space ship acronym | 18 |
| Skyways alien | 13 |
| Sky-sighting report | 19 |
| Sky-saucer initials | 19 |
| Sky-gazer's acronym | 23 |
| Sky sighting: Abbr. | 19 |
| Sky sighting, perhaps | 21 |
| Sky sight, to some | 18 |
| Sky saucer | 10 |
| Sky object | 10 |
| Sky light, perhaps | 18 |
| Sky light, for short? | 21 |
| Sky enigma | 10 |
| Site for anal examinations | 26 |
| Sighting in the sky, for short | 30 |
| Sight in ''The X Files'' | 40 |
| Ship to a distant place? | 24 |
| Science-fiction item | 20 |
| Sci-fi spacecraft | 17 |
| Sci-fi sky sighting | 19 |
| Sci-fi flyer | 12 |
| Sci-fi "ride" | 23 |
| Saucer, maybe | 13 |
| Saucer in the sky, briefly | 26 |
| Saucer in the sky | 17 |
| Saturn vehicle? | 15 |
| Rumored Roswell vehicle | 23 |
| Rumored disc | 12 |
| Roswell ride? | 13 |
| Reason for a flood of calls to the police dept., maybe | 54 |
| Radarman's bogey | 20 |
| Radar mystery | 13 |
| Questionable sighting | 21 |
| Questionable craft | 18 |
| Project Blue Book subj. | 23 |
| Predator's vehicle | 22 |
| Possible saucer | 15 |
| Popular tabloid subj. | 21 |
| Phenomenon in some grainy videos | 32 |
| Paranormal sighting | 19 |
| Paranormal craft | 16 |
| Outer-space vehicle? | 20 |
| Out-of-this-world object | 24 |
| One side in a close encounter | 29 |
| One not filing a flight plan | 28 |
| One might be involved in a hoax | 31 |
| One evidently not filing a flight plan | 38 |
| One encountered in a close encounter | 36 |
| Oft-sighted obj. | 16 |
| Oft-reported phenomenon | 23 |
| Object of some amateur films | 28 |
| Obj. in the news | 16 |
| Night sky vision | 16 |
| Night light, perhaps | 20 |
| Mysterious visitor | 18 |
| Mysterious sighting in the sky | 30 |
| Mysterious sight | 16 |
| Mysterious obj. in the skies | 28 |
| Mysterious hoverer | 18 |
| Mysterious airship, abbr. | 25 |
| Myst. aircraft | 14 |
| Michael Schenker post-Scorpions band | 36 |
| Meteor, maybe | 13 |
| Mercury vehicle? | 16 |
| Martian's craft, say | 24 |
| Martian's craft, for short | 30 |
| Martian's auto: Abbr. | 25 |
| Martian vessel | 14 |
| Martian craft | 13 |
| Martian carrier? | 16 |
| Mars transport? | 15 |
| Long-distance traveler | 22 |
| Light sky, maybe | 16 |
| Klaatu's craft, in a 1951 film | 34 |
| It might have a multi-race barroom | 34 |
| It may be produced by swamp gas | 31 |
| It may be out of this world | 27 |
| Imported vehicle? | 17 |
| Hovercraft? | 11 |
| Heavenly sight? | 15 |
| Frequent hoax subj. | 19 |
| Flying saucer: Abbr. | 20 |
| Flying disc? | 12 |
| Faraway vessel? | 15 |
| Faraway transport? | 18 |
| Faraway craft? | 14 |
| Faraway craft (Abbr.) | 21 |
| Extraterrestrial vehicle? | 25 |
| ETs' craft | 14 |
| ETs' carrier | 16 |
| ET's vehicle, maybe | 23 |
| ET's vehicle | 16 |
| ET's transportation | 23 |
| ET's ride home | 18 |
| ET, perhaps | 11 |
| ET, perhaps | 12 |
| ET vehicle | 10 |
| ET transporter | 14 |
| ET craft | 8 |
| ET carrier, supposedly | 22 |