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Hi Pete I am the support developer for LINDA and have found an interesting issue with the offsets for Autopilot Altitude (07D4) and Vertical Velocity (07F2) with A2A aircraft add ons in FSX and P3D. I wonder what your view is. The offsets are: 07D4 4 bytes Autopilot altitude value, as metres*65536 07F2 2 bytes Autopilot vertical speed value, as ft/min The altitude is quoted as being in metres and the vertical speed in ft/min. I have found through detailed tests that the conversion of Altitude from metres to feet is required only if the A2A A182 or C172 aircraft are used or when using P3D (alt = round(0x07D4 * 3.2808399 / 65536)). The reverse applies to the Vertical Speed. If not A2A or P3D, VS= round(0x07F2 / 3.2808399). In all other cases (FSX and non-A2A), the offsets are defined as AP Alt in feet and AP VS in metres/sec. This is opposite from the FSUIPC4 Status of IPC Offsets for FSX document.
Hi Pete, Until a few days ago I was running P3D V2.3 with unregistered FSUIPC and the A2A C172 and all was good. I then registered FSUIPC, at which point it seems to have started to cause problems with the A2A C172, which no longer responds to control inputs, with the green bar message saying FSX Simconnect has encountered an error and will be restarted. I'm not sure where to start looking, as this error seems to be related to the FSUIPC activation (the error only started at registration) and all other aircraft (Q400, Realair Legacy, Carenado Bonanza, QW 146) seem to be completely unaffected. Any ideas? Thanks, Jamie p.s. I've also posted on the A2A forum to see if they have any ideas.