Unstable approach — AAL3112
KPDX · 032026-07-14 07:47 UTC· KCLT → KPDX· AMERICAN AIRLINES INC· A321
AAL3112 (American Airlines) was operating from KCLT to KPDX on 2026-07-14. SkyMeter detected a low approach-stability score at Portland International Airport (KPDX) on runway 03 at 07:47 UTC. Trace data at the event: 1108 ft AGL, 145 kt GS. Approach stability score: 42/100. 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 2 kt wind, 2 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)- SECURITY6/3475 2026-03-08 09:00Z – 2026-11-01 09:59Z SFC–180 ft
BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local
View FAA NOTAM → - SECURITY6/5797 2026-04-03 00:01Z – 2026-09-28 23:59Z SFC–400 ft
SACRAMENTO, CA, Thursday, April 2, 2026 through Monday, September 28, 2026 Local
View FAA NOTAM → - SECURITY6/3954 2026-06-01 00:00Z – 2026-07-20 23:59Z
STILLWATER, OK, Monday, June 1, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - SECURITY6/3996 2026-06-01 00:00Z – 2026-07-20 23:59Z
OKLAHOMA CITY, OK, Monday, June 1, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - SECURITY6/4116 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
LOUISVILLE, KY, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4114 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
LOUISVILLE, KY, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4118 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
CARMEL, IN, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4120 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
CINNCINATI, OH, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4125 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
MILFORD, OH, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4128 2026-06-01 04:00Z – 2026-07-21 03:59Z SFC–400 ft
WESTFIELD, IN, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4151 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Kansas City, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4157 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
PRAIRIE VILLAGE, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4155 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Riverside, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4154 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Kansas City, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4149 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Lawrence, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4146 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Lawrence, KS, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4141 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Tulsa, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4161 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
St, Louis, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4162 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Kansas City, MO, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4121 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Nashville, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4119 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
NASHVILLE, TN, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4022 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
OKLAHOMA CITY, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/3952 2026-06-01 05:00Z – 2026-07-21 04:59Z SFC–400 ft
Stillwater, OK, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - 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 → - SECURITY6/4164 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 → - SECURITY6/4061 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft
BERKLEY, CA, Monday, June 1, 2026 through Tuesday, July 21, 2026 Local
View FAA NOTAM → - SECURITY6/4204 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft
Santa Clara, CA, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4052 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft
San Jose, CA, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4054 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft
San Jose, CA, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/4060 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft
Oakland, CA, Monday, June 1, 2026 through Monday, July 20, 2026 Local
View FAA NOTAM → - SECURITY6/7205 2026-06-23 21:07Z – 2026-07-21 03:59Z SFC–400 ft
Carmel, IN
View FAA NOTAM → - SECURITY6/7208 2026-06-23 21:07Z – 2026-07-21 03:59Z SFC–400 ft
Westfield, IN
View FAA NOTAM → - HAZARDS6/1416 2026-06-29 14:37Z – 2026-07-14 04:00Z SFC–13,500 ft
15NM NW CAÑON CITY, CO, Monday, June 29, 2026 through Tuesday, July 14, 2026 UTC
View FAA NOTAM → - HAZARDS6/1775 2026-06-30 06:00Z – 2026-07-14 04:00Z SFC–15,000 ft
4NM SW PUEBLO, CO, Tuesday, June 30, 2026 through Tuesday, July 14, 2026 UTC
View FAA NOTAM → - HAZARDS6/2312 2026-07-01 04:00Z – 2026-07-15 04:00Z SFC–14,000 ft
20NM W WALSENBURG, CO, Wednesday, July 1, 2026 through Wednesday, July 15, 2026 UTC
View FAA NOTAM → - SECURITY6/7972 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Nashville, TN
View FAA NOTAM → - SECURITY6/7652 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Riverside, MO
View FAA NOTAM → - SECURITY6/7967 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Nashville, TN
View FAA NOTAM → - SECURITY6/7650 2026-07-01 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Kansas City, MO
View FAA NOTAM → - HAZARDS6/2597 2026-07-02 04:41Z – 2026-07-16 04:00Z SFC–15,000 ft
4NM SW PUEBLO, CO, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC
View FAA NOTAM → - HAZARDS6/2598 2026-07-02 04:42Z – 2026-07-16 04:00Z SFC–12,000 ft
25NM W GRAND JUNCTION, CO, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC
View FAA NOTAM → - HAZARDS6/2576 2026-07-02 13:00Z – 2026-07-16 02:00Z SFC–10,000 ft
38NM SW GRANGEVILLE, ID, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC
View FAA NOTAM → - HAZARDS6/2586 2026-07-02 13:00Z – 2026-07-16 02:00Z SFC–10,000 ft
38NM SW GRANGEVILLE, ID, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC
View FAA NOTAM → - HAZARDS6/2594 2026-07-02 13:00Z – 2026-07-15 04:00Z SFC–12,000 ft
23NM S PANACA, NV, Thursday, July 2, 2026 through Wednesday, July 15, 2026 UTC
View FAA NOTAM → - HAZARDS6/2667 2026-07-02 15:00Z – 2026-07-16 05:00Z SFC–13,000 ft
18NM N CORTEZ, CO, Thursday, July 2, 2026 through Thursday, July 16, 2026 UTC
View FAA NOTAM → - HAZARDS6/2812 2026-07-03 02:53Z – 2026-07-17 04:00Z SFC–17,000 ft
1NM N OURAY, CO, Friday, July 3, 2026 through Friday, July 17, 2026 UTC
View FAA NOTAM → - HAZARDS6/2600 2026-07-03 12:00Z – 2026-07-16 05:00Z SFC–13,000 ft
18NM N CORTEZ, CO, Friday, July 3, 2026 through Thursday, July 16, 2026 UTC
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 → - SECURITY6/7194 2026-07-03 16:07Z – 2026-07-21 03:59Z SFC–400 ft
Columbus, OH
View FAA NOTAM → - SECURITY6/7647 2026-07-03 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Lawrence, KS
View FAA NOTAM → - SECURITY6/7646 2026-07-03 16:07Z – 2026-07-21 04:59Z SFC–400 ft
Lawrence, KS
View FAA NOTAM → - HAZARDS6/2845 2026-07-04 00:10Z – 2026-07-17 04:00Z SFC–12,500 ft
6NM S SCIPIO, UT, Saturday, July 4, 2026 through Friday, July 17, 2026 UTC
View FAA NOTAM → - HAZARDS6/2942 2026-07-05 12:00Z – 2026-07-19 04:00Z SFC–17,000 ft
2NM W LEADVILLE, CO, Sunday, July 5, 2026 through Sunday, July 19, 2026 UTC
View FAA NOTAM → - SECURITY6/7984 2026-07-05 14:07Z – 2026-07-21 06:59Z SFC–400 ft
Oakland, CA
View FAA NOTAM → - SECURITY6/7983 2026-07-05 14:07Z – 2026-07-21 06:59Z SFC–400 ft
San Jose, CA
View FAA NOTAM → - SECURITY6/7985 2026-07-05 14:07Z – 2026-07-21 06:59Z SFC–400 ft
San Jose, CA
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 → - HAZARDS6/3007 2026-07-06 12:00Z – 2026-07-20 04:00Z SFC–17,000 ft
1NM W LEADVILLE, CO, Monday, July 6, 2026 through Monday, July 20, 2026 UTC
View FAA NOTAM → - HAZARDS6/3021 2026-07-06 14:00Z – 2026-07-19 04:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Monday, July 6, 2026 through Sunday, July 19, 2026 UTC
View FAA NOTAM → - HAZARDS6/3274 2026-07-07 00:35Z – 2026-07-20 04:00Z SFC–17,000 ft
1NM W LEADVILLE, CO, Tuesday, July 7, 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 → - HAZARDS6/3801 2026-07-08 01:49Z – 2026-07-23 04:00Z SFC–15,000 ft
1NM W PUEBLO, CO, Wednesday, July 8, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/3807 2026-07-08 15:00Z – 2026-07-22 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/4014 2026-07-08 16:17Z – 2026-07-22 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, 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 → - SECURITY6/7651 2026-07-09 11:07Z – 2026-07-21 04:59Z SFC–400 ft
Prairie Village, KS
View FAA NOTAM → - SECURITY6/7817 2026-07-09 11:07Z – 2026-07-21 04:59Z SFC–400 ft
St Louis, MO
View FAA NOTAM → - SECURITY6/7197 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft
Louisville, KY
View FAA NOTAM → - SECURITY6/7218 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft
Cinncinati, OH
View FAA NOTAM → - SECURITY6/7226 2026-07-09 11:07Z – 2026-07-21 03:59Z SFC–400 ft
Milford, OH
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 → - HAZARDS6/4242 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 → - HAZARDS6/4239 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 → - HAZARDS6/4554 2026-07-10 02:28Z – 2026-07-17 04:00Z SFC–15,500 ft
8NM E BEAVER, UT, Friday, July 10, 2026 through Friday, July 17, 2026 UTC
View FAA NOTAM → - HAZARDS6/4561 2026-07-10 04:00Z – 2026-07-24 04:00Z SFC–16,500 ft
19NM NE OURAY, CO, Friday, July 10, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4559 2026-07-10 04:00Z – 2026-07-21 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, Friday, July 10, 2026 through Tuesday, July 21, 2026 UTC
View FAA NOTAM → - HAZARDS6/4558 2026-07-10 04:00Z – 2026-07-21 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, Friday, July 10, 2026 through Tuesday, July 21, 2026 UTC
View FAA NOTAM → - HAZARDS6/4562 2026-07-10 12:00Z – 2026-07-24 05:00Z SFC–17,000 ft
3NM W LEADVILLE, CO, Friday, July 10, 2026 through Friday, July 24, 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 → - HAZARDS6/4978 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 → - HAZARDS6/4975 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 → - HAZARDS6/5054 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 → - HAZARDS6/4970 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 → - HAZARDS6/4968 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 → - HAZARDS6/5152 2026-07-13 04:00Z – 2026-07-27 04:00Z SFC–15,000 ft
14NM S STEAMBOAT SPRINGS, CO, Monday, July 13, 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 → - HAZARDS6/5451 2026-07-14 04:00Z – 2026-07-29 04:00Z SFC–16,500 ft
1NM N OURAY, CO, Tuesday, July 14, 2026 through Wednesday, July 29, 2026 UTC
View FAA NOTAM → - HAZARDS6/5450 2026-07-14 04:00Z – 2026-07-29 04:00Z SFC–16,500 ft
19NM NE OURAY, CO, Tuesday, July 14, 2026 through Wednesday, July 29, 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 03
- 1108 ft AGL at event
- 145 kt ground speed
- 0 fpm vertical
- Approach stability 42/100
- 2 kt wind
- 2 kt crosswind component
- 16,093 m visibility
- METAR KPDX 281953Z 29006KT 10SM FEW250 18/05 A3009 RMK AO2 SLP190 T01830050 $
Flight context
- AAL3112
- American Airlines
- A321
- KCLT → KPDX
- 2026-07-14 07:47 UTC
- KPDX runway 03
All events on this flight
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