environmental and control systems officer here reporting a good flash of an operator system providing kaline to all the avionics equipment aboard the vehicle. commander mark kelly and pilot johnson, flight engineer vittorio.-- roberta oratori endeavour can reach orbit on two engines, should one fail at this point. however, all three are still performing as planned. andrew feustel and greg chamitoff. vittori 0 and fincke making their first voyage on the space shuttle after flying to the international space station aboard soyuz space station previously. >> endeavour, a single engine up 3 big break that call indicates that endeavour could reach a trans-atlantic abort site on one engine if it lost two of the three, although all three are in good shape, 5 minutes 50 seconds into the flight. >> several calls there. the guidance system is controlling the engines to rolle endeavour to a heads up position to optimize the air to ground communications through the satellite network. flight controllers reporting to flight director richard jones they are in good shape. >> set down plan is nominal. >> ende