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Delta triangle on scanners

Overview of the Delta Triangle.

The Delta Triangle was a vast, uninhabited sector of the Milky Way Galaxy, located three weeks away from the nearest Federation starbase via subspace radio. An unusual feature of the Delta Triangle was its ability to cause starship sensors to fluctuate chaotically while within the region. This effect was caused by the parallel time continuum known as Elysia.

Delta Triangle

Phenomena found in the Delta Triangle.

The Delta Triangle was a region of space known for having a high number of mysterious disappearances of starships recorded since ancient times. In 2269, the USS Enterprise was assigned to survey the area, and possibly determine the cause of these disappearances. In the decades prior, the starship Bonaventure, as well as a number of vessels operated by Andorians, Tellarites, Klingons, Kzinti, Orions, Vulcans, Romulans, Humans, Phylosians, and Gorn, became lost in the Delta Triangle.

The Klingons attempted to use the phenomena surrounding the region as a means of springing a mouse trap on the Enterprise, figuring that when the Federation investigated, the loss of the Enterprise would be recorded as just another mysterious starship disappearance. (TAS: "The Time Trap")

The Delta Triangle in "The Time Trap" is similar to the Delta Quadrant Void in VOY: "The Void". Both the Enterprise and Voyager were trapped with alien craft in a space anomaly where co-operation is the only means of escape. Void pirates proved less benign than the enforced peace of the Triangle.

While the motivation behind the otherwise random Klingon attack on the Enterprise in this region was unclear in the episode, the first draft script (dated 26 August 1973) described the region as being a "disputed sector", and that "exclusive exploration rights are still being contested by the Klingons under the Organian Peace Treaty." For this reason, Kor could not accept that that region of space was supposed to be neutral, thus his attack.

According to Star Trek: Star Charts (p. 64) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the Delta Triangle was located in the Beta Quadrant. The three vertices of this triangle were Kessik, Bellatrix (Gamma Orionis), and FGC-82659. The S.S. Bonaventure was lost in this vortex in 2079.

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