BOARD MEETING ANIMATIONS
May 2, 2006
Aircraft Accident Report -- Crash During Approach to Landing, Air Tahoma, Inc., Flight 185, Convair 580, N586P, Covington, Kentucky, August 13, 2004 

Videos are available in Flash format and were presented at the Board Meeting on 05/02/06 in Washington, D.C.

The Purpose of these animations are to assist in describing the Convair 580 fuel system operation in crossfeed mode. These animations are 30 seconds long and run in a loop.

 

Overview:
Crossfeed valves operate together.
Left and Right Fuel Tank Shutoff Valves (FTSV) operate independently.
Left and Right Fuel Booster Pumps operate independently.

 

Still from Fuel System Normal Operation Animation.Fuel System: Normal Operation
Flash Animation = 19K

1.Crossfeed Valves – CLOSED

2. Both FTSV – OPEN

3. Both Fuel Pumps – ON

4. Left and Right fuel tanks feed their respective engines (L to L, R to R)

 

 

 

 

 

Still from Fuel System Normal Crossfeed Operation Animation. Fuel System: Normal Crossfeed Operation
Flash Animation = 19K

1.Crossfeed Valves – OPEN

2. Left FTSV – OPEN

3. Right FTSV – CLOSED

4. Left Fuel Pump – ON

5. Right Fuel Pump – OFF

6.Left fuel tank feeds both engines (L to L/R)

 

 

 

Still from Fuel System Accident Crossfeed Operation Animation.Fuel System: Accident Crossfeed Operation
Flash Animation = 21K

 

1. Crossfeed Valves – OPEN

2. Left FTSV – OPEN

3. Right FTSV – OPEN

4. Left Fuel Pump – ON

5. Right Fuel Pump – OFF

6. Left fuel tank feeds both engines (L to L/R) and also fills right fuel tank with the excess fuel