Operação Prato
| Operation Saucer | |
|---|---|
| Location | 0°56′13″S 48°16′55″W / 0.93694°S 48.28194°W | 
| Commanded by | |
| Objective | Investigation of UFOs sightings in some municipalities of Pará | 
| Date | First phase: 20 October – 11 November 1977 Second phase: 25 November – 5 December 1977 | 
| Executed by | |
| Outcome | Operation found no unusual phenomena | 
Operation Saucer (Portuguese: Operação Prato; literally, Operation Saucer) was an investigation carried out between 1977 and 1978 by the Brazilian Air Force following alleged UFO sightings on the island Colares. The investigation was closed after finding no unusual phenomena.