I am wondering what those new FRA rules are?
Years ago, Amtrak routinely changed locomotives in New Haven in what, 7 minutes?
Similar times at Harrisburg and Croton-Harmon...
https://discuss.amtraktrains.com/threads/the-engine-switcharoo.63037/#post-581322
Scenerio for ground Power
1.Show up as train arrives,
2.Call K Tower to lock up switches for Blue Flag Protection
3. When confirmed put Blue lights in track front and rear.
4.Put Blue light in engine cab
5..Power Off
6. Detach locomotives cables, turn off air supplies
7.. call K tower and remove blue flag protection.
8. Take blue lights off track
9. Take blue light off engine
10. Turn off overhead lights
11. uncouple locomotive
12. wait for locomotive to clear track and switches
13. Call K Tower to lock up switches for Blue Flag Protection
14. When confirmed place blue light in track in front and rear.
15. Turn on Blue overhead lights
16. Attach Ground power cables at one end of consist
17. Loop 480 cables at other end of consist
18. Turn on Ground Power
19. Call K Tower give up Blue Flag Protection
20. Remove Blue lights from track
21.Turn off overhead lights.
21. Diesel Locomotive arrives
22. Couple up locomotive
23. Call K Tower to lock up switches for Blue Flag Protection
24. Put Blue lights in track front and rear. Put Blue light on engine
25. Turn on Blue overhead lights
26. Turn off Ground power
27. Detach Ground power cables
28. attach cables, brake hoses and main recseviour air to locomotive
29. Do brake test
30. Call K tower and give up Blue Flag Protection,
31. blue take lights out of track
32. turn off overhead blue lights
33. remove bue light from engine cab
33. Train can leave
Putting the train on ground power will likely lengthen the time the train is without power!