A second pilot project at the race this year involves the Heatsheets manufactured by AFM Inc. of Petaluma, Calif.
The Peep Show writers are also working on a second pilot of the show for US TV.
The Raqqa Media Center said Isis fighters are searching the area in case there is a second pilot.
A second pilot, they say, is needed to carry the sensitive equipment required to navigate those vessels safely.
A second pilot in the area said the Alaska Airlines jet "definitely is in a nose-down, uh, position, descending quite rapidly".
Plans also for a second pilot, testing beaver reintroduction in populated Highland areas, were dropped, partly after complaints from the salmon industry.
So keen was BBC2's controller, Janice Hadlow, that she commissioned not just a second pilot but a series as well, due to begin filming just nine days later.
Iran sent details of its latest nuclear facility to the IAEA on Monday, saying it had established a second "pilot" enrichment plant, parallel to the one monitored by the IAEA near the city of Natanz.
One of the Phoenix stations involved in the crash now has a second pilot do reporting, while the other station no longer has pilots report as they fly, investigators said.
A second pilot scheme, involving Royal Bank of Scotland compensating customers who were unable to access their accounts during an IT glitch last summer, saw many people compensated within days.
In the meantime here's some background: Iran clearly knew this revelation was coming and sought to pre-empt it by telling the International Atomic Energy Agency IAEAA) this week that it did have a second "pilot" plant, according to our Middle East editor, Ian Black.
