On 5/31/16 the FAA's NSP released FSTD #2 which addresses "Full Stall, UPRT, Icing, Crosswind, and Bounced Landing Training Tasks"
https://www.faa.gov/about/initiative...irective-2.pdf
Which adds 7 new areas the airframe/simulator MFG must address:
3. After March 12, 2019, any FSTD being used to obtain credit for full stall training maneuvers in an FAA approved training program must be evaluated and issued additional qualification in accordance with this Directive and the following sections of Appendix A of this Part:
a. Table A1A, General Requirements, Section 2.m. (High Angle of Attack Modeling)
b. Table A1A, General Requirements, Section 3.f. (Stick Pusher System) [where applicable]
c. Table A2A, Objective Testing Requirements, Test 2.a.10 (Stick Pusher Force Calibration)[where applicable]
d. Table A2A, Objective Testing Requirements, Test 2.c.8.a (Stall Characteristics)
e. Table A2A, Objective Testing Requirements, Test 3.f.5 (Characteristic Motion Vibrations – Stall Buffet) [See paragraph 4 of this section for applicability on previously qualified FSTDs]
f. Table A3A, Functions and Subjective Testing Requirements, Test 5.b.1.b. (High Angle of Attack Maneuvers)
g. Attachment 7, Additional Simulator Qualification Requirements for Stall, Upset Prevention and Recovery, and Engine and Airframe Icing Training Tasks (High Angle of Attack Model Evaluation)
This has been an item of interest of the NSP before AF, since before 2009 I have had NSP inspectors ask to take the simulator to 35K and do some stalls. The point I'm hopefully making is that unless the FAA approved simulator has high altitude stalls listed in the SOQ (which should be available to you) the modeling may or maynot be correct.