This is the Sikorsky Sea King UH-3H helicopter in the livery of the US Navy.
The aircraft initially has the engines stopped. Use the B key to start or stop the engines. For AI operations, use the Aircraft Engine Start Rule, kuid2:60238:80004:1 and for lift off use the Aircraft Helicopter Takeoff Rule, kuid2:60238:80005:1.
The helicopter will lift and hover above the track, using the H key - use the H key again to lower the helicopter. Maximum hover height is 15 metres, variable in the string table above, default setting 10 metres.
It does not have an operating interior, but does have various exterior views based on an invisible interior, use the [ and ] keys from the interior view. The aircraft will load and unload passengers at suitable airports. The left front door will open automatically for passengers and can also be manually operated using the V key (trigger number 3 setting).
The Aircraft Action Trigger, kuid:76656:24050 when placed on track and set to the correct number will operate the following:
- initially the rotors are stationary, use the B key or triggger setting 2 to start or stop the rotors;
- the helicopter will lift and hover above the track, using the H key or trigger setting 1 - use the H key again to lower the helicopter;
- maximum hover height is 15 metres, variable in the string table above, default setting 10 metres;
- the right mid door and winch are operated by trigger setting 5;
- the left front door will open manually using the V key (trigger number 3 setting).
Military and commercial aircraft sometimes use the same keys and trigger settings for differerent animations. If you find conflict on the same route, set the train priority of the trigger and the particular aircraft to a different value to differentiate.