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Hot Start: Challenger 650 - IRS Mid Flight Failure


hockey4life74
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Was flying the CL650 from KSTL to KCVG tonight and about halfway through my flight all three of my IRS's stopped working. I wasn't touching my keyboard, mouse, or any peripherals when this happened. I don't have any idea what caused the error (I don't have random failures on in Xplane and as far as I know they aren't a part of the cl650 either) but I've attached my log.text file with all the logs I have from today. 

CL650_Log_1_22_22.txt

Edited by hockey4life74
Typo
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Had this happen again tonight, I was not at my computer when the failure occurred so I can be sure it wasn't because of input from me. I also noticed a sizeable decrease in framerate after this happened. I believe it has to do with these lines here although I don't know what this API is.

 

2022-01-23 23:14:42 CL650[phys.c:821]: GFS download successful, SL_T: 18.9°C  TP_T: -57.5°C TP_alt: 45000 ft
2022-01-23 23:16:39 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:19:37 CL650[gps4000s.c:2956]: EGNOS data download successful
2022-01-23 23:19:39 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:19:40 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:20:16 CL650[phys.c:821]: GFS download successful, SL_T: 19.0°C  TP_T: -57.8°C TP_alt: 44977 ft
2022-01-23 23:22:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:24:37 CL650[phys.c:821]: GFS download successful, SL_T: 17.8°C  TP_T: -53.0°C TP_alt: 34291 ft
2022-01-23 23:24:41 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:25:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:28:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:28:58 CL650[phys.c:821]: GFS download successful, SL_T: 16.2°C  TP_T: -56.8°C TP_alt: 38990 ft
2022-01-23 23:29:42 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:31:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:33:24 CL650[phys.c:821]: GFS download successful, SL_T: 15.2°C  TP_T: -58.0°C TP_alt: 38996 ft
2022-01-23 23:34:37 CL650[gps4000s.c:2956]: EGNOS data download successful
2022-01-23 23:34:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:34:42 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:37:40 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:37:52 CL650[phys.c:821]: GFS download successful, SL_T: 16.6°C  TP_T: -59.9°C TP_alt: 39012 ft
2022-01-23 23:39:43 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:40:41 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:42:25 CL650[phys.c:821]: GFS download successful, SL_T: 15.5°C  TP_T: -62.2°C TP_alt: 39019 ft
2022-01-23 23:43:41 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 404 (Not Found)
2022-01-23 23:44:43 CL650[gps4000s.c:2917]: WAAS data download successful
2022-01-23 23:45:00 CL650[laseref6.c:1701]: Invalid GS 414.775m/s, dropping alignment
2022-01-23 23:45:00 CL650[laseref6.c:1701]: Invalid GS 413.583m/s, dropping alignment
2022-01-23 23:45:00 CL650[laseref6.c:1701]: Invalid GS 415.757m/s, dropping alignment

Attaching whole log file for flight also.

CL650_Log_1_23_22.txt

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