Unstable approach — N641TW
KMOD · 28R2026-07-19 23:54 UTC· KBIL → KMOD· BLBIRD LLC· CL60
N641TW (Blbird) was operating from KBIL to KMOD on 2026-07-19. SkyMeter detected a low approach-stability score at Modesto City Co-Harry Sham Field (KMOD) on runway 28R at 23:54 UTC. Trace data at the event: 1191 ft AGL, 149 kt GS. Approach stability score: 54/100. Scores in this band occur on roughly 10-15% of approaches at this runway, with multiple gates outside the per-runway envelope. METAR at the time reported 10 kt wind, 7 kt crosswind component, 16,093 m visibility. 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.
Active FAA TFR during this flight
Source: FAA TFR archive (hourly snapshot)- SECURITY6/4158 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft
MERIDIAN, ID, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4159 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft
Boise, ID, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4164 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft
Sandy, UT, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4167 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft
Salt Lake City, UT, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/7864 2026-07-03 15:07Z – 2026-07-21 05:59Z SFC–400 ft
Sandy, UT
View FAA NOTAM → - SECURITY6/7862 2026-07-03 16:07Z – 2026-07-21 05:59Z SFC–400 ft
Salt Lake City, UT
View FAA NOTAM → - HAZARDS6/2989 2026-07-05 17:35Z – 2026-07-20 05:00Z SFC–7,000 ft
15NM E PENDLETON, OR, Sunday, July 5, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - HAZARDS6/3006 2026-07-06 12:00Z – 2026-07-20 04:00Z SFC–12,000 ft
15NM W GRAND JUNCTION, CO, Monday, July 6, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - HAZARDS6/3022 2026-07-06 14:00Z – 2026-07-20 05:00Z SFC–8,000 ft
15NM E PENDLETON, OR, Monday, July 6, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - HAZARDS6/3372 2026-07-07 02:34Z – 2026-07-20 04:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Tuesday, July 7, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - HAZARDS6/3388 2026-07-07 14:00Z – 2026-07-21 04:00Z SFC–10,000 ft
17NM NE WINNEMUCCA, NV, Tuesday, July 7, 2026 through Tuesday, July 21, 2026 UTC
View FAA NOTAM → - HAZARDS6/3783 2026-07-08 01:08Z – 2026-07-22 05:00Z SFC–10,000 ft
40NM NW BASQUE, OR, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/3798 2026-07-08 01:35Z – 2026-07-22 05:00Z SFC–10,000 ft
40NM NW BASQUE, OR, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/3812 2026-07-08 02:09Z – 2026-07-21 04:00Z SFC–12,000 ft
6NM S SCIPIO, UT, Wednesday, July 8, 2026 through Tuesday, July 21, 2026 UTC
View FAA NOTAM → - HAZARDS6/3825 2026-07-08 14:00Z – 2026-07-22 05:00Z SFC–9,500 ft
4NM NE BOISE, ID, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/4199 2026-07-09 02:00Z – 2026-07-23 05:00Z SFC–13,000 ft
18NM N CORTEZ, CO, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - SECURITY6/7871 2026-07-09 11:07Z – 2026-07-21 05:59Z SFC–400 ft
Boise, ID
View FAA NOTAM → - SECURITY6/7869 2026-07-09 11:07Z – 2026-07-21 05:59Z SFC–400 ft
Meridian, ID
View FAA NOTAM → - HAZARDS6/4242 2026-07-09 13:00Z – 2026-07-23 05:00Z SFC–11,000 ft
25 NM NE JOHN DAY, OR, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4238 2026-07-09 13:00Z – 2026-07-23 05:00Z SFC–11,000 ft
25 NM NE JOHN DAY, OR, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4241 2026-07-09 14:00Z – 2026-07-23 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4239 2026-07-09 14:00Z – 2026-07-23 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4548 2026-07-10 14:00Z – 2026-07-24 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Friday, July 10, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4549 2026-07-10 14:00Z – 2026-07-24 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Friday, July 10, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4555 2026-07-10 14:00Z – 2026-07-23 04:00Z SFC–10,500 ft
44NM NE WELLS, NV, Friday, July 10, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4906 2026-07-11 02:45Z – 2026-07-24 04:00Z SFC–14,000 ft
7NM N OREM, UT, Saturday, July 11, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4964 2026-07-12 00:13Z – 2026-07-26 03:00Z SFC–10,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/4975 2026-07-12 13:00Z – 2026-07-26 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/4978 2026-07-12 13:00Z – 2026-07-26 13:00Z SFC–10,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/5054 2026-07-12 14:45Z – 2026-07-26 13:00Z SFC–12,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/4968 2026-07-12 15:00Z – 2026-07-27 05:00Z SFC–11,000 ft
25 NM NE JOHN DAY, OR, Sunday, July 12, 2026 through Monday, July 27, 2026 UTC
View FAA NOTAM → - HAZARDS6/4970 2026-07-12 15:00Z – 2026-07-27 05:00Z SFC–11,000 ft
25 NM NE JOHN DAY, OR, Sunday, July 12, 2026 through Monday, July 27, 2026 UTC
View FAA NOTAM → - HAZARDS6/5155 2026-07-13 13:00Z – 2026-07-26 04:00Z SFC–11,000 ft
40NM NE WELLS, NV, Monday, July 13, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/5274 2026-07-13 17:54Z – 2026-07-27 04:00Z SFC–15,500 ft
15NM E HEBER CITY, UT, Monday, July 13, 2026 through Monday, July 27, 2026 UTC
View FAA NOTAM → - HAZARDS6/5879 2026-07-15 14:00Z – 2026-07-28 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Wednesday, July 15, 2026 through Tuesday, July 28, 2026 UTC
View FAA NOTAM → - HAZARDS6/5880 2026-07-15 14:00Z – 2026-07-29 05:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Wednesday, July 15, 2026 through Wednesday, July 29, 2026 UTC
View FAA NOTAM → - HAZARDS6/6101 2026-07-16 04:05Z – 2026-07-23 04:00Z SFC–8,000 ft
18NM W SPRAY, OR, Thursday, July 16, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/6100 2026-07-16 14:00Z – 2026-07-30 04:00Z SFC–10,000 ft
41NM SE BURNS, OR, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6151 2026-07-16 15:28Z – 2026-07-30 04:00Z SFC–8,000 ft
18NM W SPRAY, OR, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6221 2026-07-16 17:58Z – 2026-07-30 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6388 2026-07-17 02:26Z – 2026-07-31 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6393 2026-07-17 02:30Z – 2026-07-31 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6434 2026-07-17 05:07Z – 2026-08-01 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6433 2026-07-17 05:08Z – 2026-08-01 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6395 2026-07-17 12:00Z – 2026-07-30 04:00Z SFC–13,000 ft
14NM N CORTEZ, CO, Friday, July 17, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6358 2026-07-17 13:00Z – 2026-07-31 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6359 2026-07-17 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft
5NM E BEAVER, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6453 2026-07-17 15:04Z – 2026-08-01 04:00Z SFC–9,000 ft
26NM NW RILEY, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6454 2026-07-17 15:06Z – 2026-07-31 04:00Z SFC–9,000 ft
10NM N RILEY, OR, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6458 2026-07-17 15:40Z – 2026-08-01 04:00Z SFC–9,000 ft
9NM E MADRAS, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6536 2026-07-17 21:00Z – 2026-08-01 04:00Z SFC–8,000 ft
23NM NE PENDLETON, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6564 2026-07-18 00:42Z – 2026-07-31 03:00Z SFC–9,000 ft
24NM E PENDLETON, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6572 2026-07-18 03:14Z – 2026-07-31 04:00Z SFC–11,000 ft
18NM SE PRINEVILLE, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6567 2026-07-18 13:00Z – 2026-08-01 04:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Saturday, July 18, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6569 2026-07-18 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft
5NM E BEAVER, UT, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6659 2026-07-18 14:00Z – 2026-07-31 10:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6660 2026-07-18 14:00Z – 2026-07-31 10:00Z SFC–11,500 ft
20NM NW BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6666 2026-07-18 15:00Z – 2026-07-31 05:00Z SFC–8,000 ft
23NM NE PENDLETON, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6682 2026-07-18 16:49Z – 2026-07-31 04:00Z SFC–11,500 ft
24NM E BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6695 2026-07-18 20:09Z – 2026-07-31 04:00Z SFC–9,000 ft
12NM SE MADRAS, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6704 2026-07-18 22:29Z – 2026-07-21 04:00Z SFC–10,500 ft
16NM NE SUSANVILLE, CA, Saturday, July 18, 2026 through Tuesday, July 21, 2026 UTC
View FAA NOTAM → - HAZARDS6/6734 2026-07-19 01:25Z – 2026-08-01 04:00Z SFC–9,000 ft
26NM E MADRAS, OR, Sunday, July 19, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6733 2026-07-19 12:00Z – 2026-08-02 04:00Z SFC–10,500 ft
16NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6736 2026-07-19 12:00Z – 2026-08-01 03:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Sunday, July 19, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6756 2026-07-19 15:45Z – 2026-08-02 04:00Z SFC–8,000 ft
39NM NW JOHN DAY, OR, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6757 2026-07-19 16:07Z – 2026-08-02 04:00Z SFC–9,000 ft
12NM SE MADRAS, OR, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6766 2026-07-19 17:32Z – 2026-07-26 04:00Z SFC–13,000 ft
5NM N HAILEY, ID, Sunday, July 19, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/6774 2026-07-19 18:27Z – 2026-08-02 04:00Z SFC–10,500 ft
22NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6778 2026-07-19 19:09Z – 2026-08-03 03:00Z SFC–8,000 ft
1NM S FOSSIL, OR, Sunday, July 19, 2026 through Monday, August 3, 2026 UTC
View FAA NOTAM → - HAZARDS6/6812 2026-07-19 23:08Z – 2026-08-03 03:00Z SFC–11,000 ft
23NM SE PRINEVILLE, OR, Sunday, July 19, 2026 through Monday, August 3, 2026 UTC
View FAA NOTAM →
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.
Pilot review data
- Runway 28R
- 1191 ft AGL at event
- 149 kt ground speed
- 0 fpm vertical
- Approach stability 54/100
- 10 kt wind
- 7 kt crosswind component
- 16,093 m visibility
- KMOD 161153Z AUTO 35003KT 10SM CLR 15/12 A2985 RMK AO2 SLP108 T01500117 10206 20150 53001
Flight context
- N641TW
- Blbird
- CL60
- KBIL → KMOD
- 2026-07-19 23:54 UTC
- KMOD runway 28R
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