Table 5
CADORS report number, date, time, location, and narrative for issues attributed to space weather impacts to GNSS, specifically localizer performance with vertical guidance (LPV). Narrative entries have not been modified from the CADORS report.
| CADORS number | Date time (UT) | Location # aircraft | Narrative |
|---|---|---|---|
| 2024C3562 | 20240510 19:33 | La Ronge, Saskatchewan (1 aircraft) | A Rise Air de Havilland (C-FDGV/RS630T) from CYVC to CYVC and a Government of Canada, Royal Canadian Mounted Police Pilatus (C-GMPA) from CZWL to CYVC reported global navigation satellite system (GNSS) issues, loss of localizer performance with vertical guidance (LPV). Area Control Centre Shift Manager (CSM) advised. |
| 2024C3141 | 20240510 20:00 | Rankin Inlet, Nunavut (multiple flights) | A Canadian North Boeing 737-406 (C-FFNF/AKT118) from Yellowknife, NT (CYZF) to Rankin Inlet, NU (CYRT) and a Nolinor Aviation Boeing 737-2B6C (C-GNLN/NRL947) from Meadowbank, NU (CMB2) to Rankin Inlet, NU (CYRT) reported a global navigation satellite system (GNSS) downgrade from localizer performance with vertical guidance (LPV) to lateral navigation (LNAV) on the area navigation (RNAV) Runway 31 and Runway 13 approaches, respectively. The beginning was at 30NM northwest of ONDOS on the latter approach. A Calm Air Aerospatiale ATR 42-320 (CAV234) from Yellowknife, NT (CYZF) to Rankin Inlet, NU (CYRT) and a Calm Air Aerospatiale ATR 42-320 (C-FMAK/CAV235) from Rankin Inlet, NU (CYRT) to Naujaat, NU (CYUT) reported similar occurrences at CYUT and a Nolinor Aviation Boeing 737-200 (NRL946) from Rankin Inlet, NU (CYRT) to Meadowbank, NU (CMB2) at CMB2, between 1851Z and 2041Z. A Canadian North Boeing 737-400 (AKT152) from Winnipeg/James Armstrong Richardson, MB (CYWG) to Rankin Inlet, NU (CYRT) reported the same issue at 2325Z and stated they heard multiple aircraft with same issue at other airports on other frequencies. |
| 2024C2977 | 20240511 02:00 | Rankin Inlet, Nunavut (1 aircraft) | A Calm Air Aerospatiale ATR 42-320 (C-FECI/CAV667) from Arviat, NU (CYEK) to Rankin Inlet, NU (CYRT) reported a global navigation satellite system (GNSS) downgrade from localizer performance with vertical guidance (LPV) to lateral navigation (LNAV) at 0146Z on the area navigation (RNAV) Runway 13 approach into CYRT. |
| 2024C3097 | 20240512 23:28 | Thompson, Manitoba (3 aircraft) | A Keewatin Air Beech B200 (C-FSAO/KEW214) from The Pas, MB (CYQD) to Thompson, MB (CYTH) reported a GNSS downgrade of localizer performance with vertical guidance (LPV) to lateral navigation (LNAV) after commencing the area navigation (RNAV) Runway 06 approach. Two subsequent aircraft reported similar experiences from 2328Z to 2343Z, including a Missinippi Air-Care Beech 200 (C-FICU/MA04) from Gods River, MB (CZGI) to Thompson, MB (CYTH) and a North Star Air Ltd. ATR-GIE ATR 72-212A (C-FNSN/BF502) from Rankin Inlet, NU (CYRT) to Thompson, MB (CYTH). All aircraft completed their approaches without incident. The centre shift manager was notified, advised no further action due to ongoing pertinent NOTAM. [Notice to Airman is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight.] |
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