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AFM causes helicopters to sink
Confirmed Internally, NormalPublic

Description

Helicopters that can float when SFM is used are pulled underwater and sink when AFM is used.

Details

Severity
Major
Resolution
Open
Reproducibility
Always
Operating System
Windows 10 x64
Category
Advanced Flight Model
Steps To Reproduce
  1. Set flight model to SFM
  2. Take CH-67 and try to land on water while keeping collective very slightly bellow hover position.
  3. Observe the helicopter hover touching the water
  4. Attempt the same manoeuvre as with SFM
  5. Observe the helicopter pulled underwater at 0-0.5 m above surface
  6. Try to hover with a bottom of the helicopter touching water surface.
  7. Observe increased throttle requirement as compared to hovering few meters above the surface
Additional Information

The issue is much more easily and reliably reproduced using CH-53 from RHS:USAF as it floats well when SFM is used.

Event Timeline

Tenshi changed the task status from New to Confirmed Internally.Jan 10 2022, 5:31 PM
Tenshi set Ref Ticket to Internal Ref.: AIII-54887.
Tenshi added a subscriber: Tenshi.

Hello, thank you for reporting the issue.
We were able to confirm the problem on our internal build as well.
We will see what we can do to resolve the issue.

What is the status of the issue?