![]() The exception to this is an autopilot accessed through the menu (considered useful for flight testing purposes). a glider does not need a stable autopilot for a 2 rating.įurthermore, for a 3 or above, the aircraft should not implement systems not present in the real aircraft (e.g. ![]() If your aircraft does not have a given system, ignore it for the purposes of rating. glider) have fewer systems than other (e.g. Some emergency procedures implemented (RAT, emergency gear release), able to follow some emergency PoH checklists in entirety. 5: Some aircraft-specific failure modes implemented (e.g.User able to follow normal PoH checklists (e.g. 4: Primary aircraft-specific systems modelled (aero-tow, radar, GPWS, weapons, external stores).3: Accurate startup procedure, tuned autopilot with cockpit controls matching real aircraft systems, generic failure modelling (Vne, +ve/-ve G, gear limits).2: Working electrical system, fuel feed cockpit controls, stable autopilot.1: Generic engine start/stop (}}s), correct size/number of fuel tanks, generic (untuned) autopilot, working flaps/gear.0: No controllable systems: engine is always on, generic radio,.5: FDM matches PoH and most known test data.4: FDM matches PoH in 90% of configurations.3: FDM tuned for rate of climb and cruise Pilot Operating Handbook (PoH) performance numbers.1: JSBSim Aeromatic or YASim geometric model used without tuning.0: None, or using FDM from other aircraft.Rating criteria Flight Dynamics Model (FDM) See below for some considerations on this rating procedure. If a maintainer can not be located or the aircraft is known to be abandoned do the rating and ask for the change to be merged into the base package.If you get permission then make the change and ask for it to be merged into the base package. If there is a maintainer but he/she is unable or unwilling to rate the aircraft ask permission to do the work.If there is a maintainer nicely ask them to rate their aircraft. Try to locate the maintainer by pinging the devel mailing list and also asking on the forum. ![]() If one plans to add ratings to an aircraft, a good plan is the following: Most of the unrated aircraft are probably unmaintained and many of them are probably aircraft that will end up with lower ratings if they are rated. Of course early development phase aircraft would be easier to rate since the criteria for those levels does not require so much aircraft specific knowledge. It is possible for the third party to do the rating but it is a nontrivial undertaking for someone who is not intimately familiar with the real-life aircraft specifications and the FDM that would require a lot of time and effort at least for any aircraft that was at a somewhat advanced state of development. The procedure is very brief, more so any update. The rating system was specifically setup to be easy for the aircraft maintainer/developer to do because it assumes that the person doing the rating is very familiar with both the real-life aircraft specifications and systems and knows how close the model is to those. It is the responsibility of the aircraft maintainer/developer if there is an active one.
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