Narrative:

On ILS 5R in VMC; over flew smo and joined 160 degree radial (managed nav following the published procedure) and began descent to 9;700 MSL. ATC asked if we were following the NOTAM'd procedure of following smo 168 radial and descending to 10;200. Replied we were on the published procedure; at which time were given present heading (160) by ATC and we maintained 9;700. We were then cleared visual approach for 5L. Approach/landing were uneventful.high workload on arrival and TOD due to thunderstorms. The notamed change was included in the ATIS; but we did not properly brief/consider it due to high workload. The procedure was more fully described in the notams contained in the back of the release (please see captain's report for full detail on the NOTAM and ATIS we received.) a published procedure and an updated approach in the nav database in a more timely manner. As discussed by capt. The published NOTAM does not expressly reference which approach procedure it is addressing. A company read file would also be helpful in the interim until the new procedure is in the charts and the database. We also should have started our descent/arrival planning earlier in the flight; before we got busy with deviations around weather. That way; we would have been fully aware of the change and would have made a plan considering it. The air carrier flight ahead of us requested vectors for the approach; in speaking to that crew later; their company has advised them not to accept/follow the new procedure until it is incorporated in their charts and databases.

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Original NASA ASRS Text

Title: A319 flight crew reports not complying with the NOTAM change to the SMO Radial and altitude for the ILS 5R at MMMX due to workload and weather distractions.

Narrative: On ILS 5R in VMC; over flew SMO and joined 160 degree radial (managed nav following the published procedure) and began descent to 9;700 MSL. ATC asked if we were following the NOTAM'd procedure of following SMO 168 radial and descending to 10;200. Replied we were on the published procedure; at which time were given present heading (160) by ATC and we maintained 9;700. We were then cleared visual approach for 5L. Approach/landing were uneventful.High workload on arrival and TOD due to thunderstorms. The NOTAMed change was included in the ATIS; but we did not properly brief/consider it due to high workload. The procedure was more fully described in the NOTAMs contained in the back of the release (please see Captain's report for full detail on the NOTAM and ATIS we received.) A published procedure and an updated approach in the nav database in a more timely manner. As discussed by Capt. The published NOTAM does not expressly reference which approach procedure it is addressing. A company read file would also be helpful in the interim until the new procedure is in the charts and the database. We also should have started our descent/arrival planning earlier in the flight; before we got busy with deviations around weather. That way; we would have been fully aware of the change and would have made a plan considering it. The air carrier flight ahead of us requested vectors for the approach; in speaking to that crew later; their company has advised them not to accept/follow the new procedure until it is incorporated in their charts and databases.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.