Unstable approach — ACA1049

ACA1049 (AIR Canada) was inbound to CZBB on 2026-08-05. SkyMeter detected a low approach-stability score at Boundary Bay Airport (CZBB) on runway 21 at 02:54 UTC. Trace data at the event: 1075 ft AGL, 136 kt GS. Approach stability score: 39/100. Scores below 50 occur on under 10% of approaches at this runway and indicate the v2 scorer flagged the approach as highly anomalous (three or more gates exceeded the runway's P90 envelope simultaneously). METAR at the time reported 3 kt wind, 2 kt crosswind component. The approach-stability score rates the final approach against stabilized-approach gates (glideslope, lateral deviation, descent rate, and IAS) at defined altitudes. A low score means one or more of those were outside the normal envelope for how the approach was flown. The score is graded by guidance type, so instrument approaches (ILS or an aligned straight-in) are held to the full gate set, while visual and pattern arrivals are surfaced only when the score is clearly low. The score is advisory and observational, a deviation measure, not an assertion of an accident. Detection algorithm and known limitations: see SkyMeter methodology.

• SECURITY6/4348 2026-03-08 07:00Z – 2026-11-01 06:59Z SFC–2,400 ft

  GRAND FORKS AFB, ND, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local

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• HAZARDS6/7610 2026-07-21 23:48Z – 2026-08-05 05:00Z SFC–7,000 ft

  42NM NW SPOKANE, WA, Tuesday, July 21, 2026 through Wednesday, August 5, 2026 UTC

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• HAZARDS6/8043 2026-07-23 02:01Z – 2026-08-05 04:00Z SFC–8,500 ft

  19NM NW CLE ELUM, WA, Thursday, July 23, 2026 through Wednesday, August 5, 2026 UTC

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• HAZARDS6/8059 2026-07-23 02:59Z – 2026-08-05 04:00Z SFC–7,500 ft

  50NM SW COLVILLE, WA, Thursday, July 23, 2026 through Wednesday, August 5, 2026 UTC

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• HAZARDS6/8351 2026-07-24 04:00Z – 2026-08-07 04:00Z SFC–7,500 ft

  50NM SW COLVILLE, WA, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

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• HAZARDS6/8359 2026-07-24 14:00Z – 2026-08-07 05:00Z SFC–8,500 ft

  26NM NW LEAVENWORTH, WA, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

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• HAZARDS6/8427 2026-07-24 16:30Z – 2026-08-08 05:00Z SFC–7,500 ft

  50NM SW COLVILLE, WA, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8557 2026-07-25 19:30Z – 2026-08-09 05:00Z SFC–8,500 ft

  26NM NW LEAVENWORTH, WA, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8571 2026-07-25 23:15Z – 2026-08-09 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8572 2026-07-25 23:30Z – 2026-08-09 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8584 2026-07-26 14:00Z – 2026-08-09 04:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8653 2026-07-26 16:00Z – 2026-08-10 05:00Z SFC–13,500 ft

  26NM NW LEAVENWORTH, WA, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8655 2026-07-26 16:00Z – 2026-08-10 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8887 2026-07-27 14:00Z – 2026-08-10 05:00Z SFC–13,500 ft

  26NM NW LEAVENWORTH, WA, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/9096 2026-07-27 17:00Z – 2026-08-10 05:00Z SFC–8,500 ft

  19NM N OMAK, WA, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/9353 2026-07-27 22:00Z – 2026-08-11 05:00Z SFC–10,000 ft

  60NM W OROVILLE, WA, Monday, July 27, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9404 2026-07-28 15:00Z – 2026-08-11 05:00Z SFC–8,500 ft

  19NM N OMAK, WA, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9877 2026-07-29 01:38Z – 2026-08-12 04:00Z SFC–10,000 ft

  38NM N SANDPOINT, ID, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9886 2026-07-29 05:00Z – 2026-08-12 05:00Z SFC–7,000 ft

  42NM NW SPOKANE, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9402 2026-07-29 15:00Z – 2026-08-12 05:00Z SFC–8,500 ft

  19NM N OMAK, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9890 2026-07-29 15:00Z – 2026-08-12 05:00Z SFC–8,500 ft

  19NM N OMAK, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0115 2026-07-29 17:30Z – 2026-08-12 05:00Z SFC–7,000 ft

  42NM NW SPOKANE, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0126 2026-07-29 17:30Z – 2026-08-12 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0411 2026-07-30 14:00Z – 2026-08-13 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0413 2026-07-30 14:00Z – 2026-08-13 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0476 2026-07-30 18:30Z – 2026-08-13 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0477 2026-07-30 18:30Z – 2026-08-13 05:00Z SFC–7,000 ft

  42NM NW SPOKANE, WA, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0578 2026-07-31 05:00Z – 2026-08-13 05:00Z SFC–9,000 ft

  42NM NW SPOKANE, WA, Friday, July 31, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0580 2026-07-31 05:00Z – 2026-08-13 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Friday, July 31, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0575 2026-07-31 14:00Z – 2026-08-14 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Friday, July 31, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0576 2026-07-31 14:00Z – 2026-08-14 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Friday, July 31, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0690 2026-07-31 20:00Z – 2026-08-14 05:00Z SFC–9,000 ft

  19NM N OMAK, WA, Friday, July 31, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0720 2026-08-01 04:30Z – 2026-08-14 05:00Z SFC–9,000 ft

  42NM NW SPOKANE, WA, Saturday, August 1, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0814 2026-08-01 16:26Z – 2026-08-15 05:00Z SFC–9,000 ft

  19NM N OMAK, WA, Saturday, August 1, 2026 through Saturday, August 15, 2026 UTC

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• HAZARDS6/0870 2026-08-01 21:15Z – 2026-08-08 05:00Z SFC–6,400 ft

  4NM W SPOKANE, WA, Saturday, August 1, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/0875 2026-08-02 00:00Z – 2026-08-08 05:00Z SFC–7,000 ft

  4NM W SPOKANE, WA, Sunday, August 2, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/0891 2026-08-02 05:00Z – 2026-08-15 05:00Z SFC–13,500 ft

  26NM NW LEAVENWORTH, WA, Sunday, August 2, 2026 through Saturday, August 15, 2026 UTC

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• HAZARDS6/0893 2026-08-02 05:00Z – 2026-08-16 05:00Z SFC–9,000 ft

  19NM N OMAK, WA, Sunday, August 2, 2026 through Sunday, August 16, 2026 UTC

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• HAZARDS6/0894 2026-08-02 05:30Z – 2026-08-15 05:00Z SFC–7,000 ft

  4NM W SPOKANE, WA, Sunday, August 2, 2026 through Saturday, August 15, 2026 UTC

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• HAZARDS6/0895 2026-08-02 15:00Z – 2026-08-15 04:00Z SFC–9,000 ft

  36NM NW SPOKANE, WA, Sunday, August 2, 2026 through Saturday, August 15, 2026 UTC

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• HAZARDS6/0984 2026-08-02 19:00Z – 2026-08-16 05:00Z SFC–9,000 ft

  60NM W OROVILLE, WA, Sunday, August 2, 2026 through Sunday, August 16, 2026 UTC

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• HAZARDS6/1468 2026-08-04 15:00Z – 2026-08-18 05:00Z SFC–10,000 ft

  38NM N SANDPOINT, ID, Tuesday, August 4, 2026 through Tuesday, August 18, 2026 UTC

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• HAZARDS6/1864 2026-08-04 22:30Z – 2026-08-18 05:00Z SFC–9,000 ft

  60NM W OROVILLE, WA, Tuesday, August 4, 2026 through Tuesday, August 18, 2026 UTC

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SkyMeter cross-referenced this flight against FAA-published TFRs that were active during its window and within its geographic bounding box. Overlap doesn't necessarily mean violation — the aircraft may have been outside the TFR’s precise polygon or flying under air-traffic-control coordination.

Automated analysis. Events shown on this page (such as go-around, unstable approach, or runway events) are heuristic classifications produced by algorithms from publicly broadcast ADS-B data. They are intended to surface flights of interest for further review — they are not findings of fact, and they do not determine pilot fault, regulatory compliance, or the cause of any occurrence. Coverage gaps and sensor noise can affect accuracy. Only the relevant civil aviation authority or accident investigation body can make official determinations. How we detect events · Dispute or correct this data