UPSILON SHUTTLE STATION

Crouch and crawl through the tunnel on the left to bypass a blockage.

Continue down the tunnel and go up the steps on the left.

Inside the room, you find Amy Azzaro connected to a power box with artificial lungs. Talk to Amy.

Pull out one of the plugs. Talk to Amy again.

Pull out the other plug, which kills Amy and stabilizes the power.

Return to the shuttles.

Open the power box under the red light. Use the switch to turn on the power.

Enter the shuttle; the door should open automatically.

Find the clipboard with the Floodable Airlock Repair Set.

Sit in the seat. Place the Omnitool in the cradle on the left.

Flip the three buttons on the left control panel.

Press the big red button to activate the shuttle, which brings up the Transit Map. The available destinations are: Upsilon A - Thermal & Manufacturing Plant (99 meters, 8 personnel), Upsilon B - Gas Harvesting & Refinery (107 meters, 0 personnel), Lambda - Transport Terminal & Visitor Center (96m, 4 personnel), Theta - Administration, Mission Control, Payload Assembly (153m, 24 personnel), Delta - Shell Rigger & Casing (64m, 4 personnel), Omicron - MedRes, Biosphere X, ACR (185m, 12 personnel), Tau - Omega Operations (4114m, 8 personnel), Phi - Omega Space Gun (3902m, 0 personnel).

Click on Lambda and confirm the destination.

After the in-shuttle movie, the shuttle crashes.

Look down and use the handle to open the emergency exit (the front of the shuttle).

Turn around and pick up the Omnitool.

Hop out of the shuttle and proceed down the tunnel.

Pick up the intercom on the right to talk to Catherine.

Look for the red light on the wall. Under the red light is the maintenance hatch. Pull the handle to open it.

Crouch down and crawl into the maintenance duct.