Shared helicopter flights are seat requests on routes where multiple travelers can use the same aircraft. They can be useful when passenger timing, route, weight, and commercial terms line up.
The important detail is that a shared request is not the same as a scheduled airline ticket. A seat is confirmed only when the full operating plan works for that date. Weather, aircraft position, permissions, and passenger compatibility can all change the outcome.
Send your route, date range, passenger count, and flexibility first. The desk can then check whether a current shared option exists or whether a private charter is the more realistic choice.