<< >> NASA ASRS Report 1121598, October 2013

A321 first officer reports descending early on the ivane 2 RNAV arrival to clt; crossing mstrd below FL260; after an approach procedure change.

Attributes
ACN	1121598
Time
Date	201310
Local Time Of Day	0601-1200
Place
Locale Reference	ZTL.ARTCC
State Reference	GA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	A321
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	FMS/FMC
Person 1
Function	First Officer Pilot Not Flying
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance

Narrative:

Ivane arrival to ILS 36R was changed to RNAV 36R. The correct altitude was put into window and engaged the managed option. The mstrd altitude dropped out and it started to descend. Crossed mstrd at approx FL240 to FL250. From the beginning of this arrival to the end has 13 points to cross. I believe; along with other pilots; that this arrival is a very poorly written arrival; with 20 to 30 altitude deviations a month; it is very apparent that something is not right with this arrival.

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Original NASA ASRS Text

Title: A321 First Officer reports descending early on the IVANE 2 RNAV arrival to CLT; crossing MSTRD below FL260; after an approach procedure change.

Narrative: IVANE arrival to ILS 36R was changed to RNAV 36R. The correct altitude was put into window and engaged the managed option. The MSTRD altitude dropped out and it started to descend. Crossed MSTRD at approx FL240 to FL250. From the beginning of this arrival to the end has 13 points to cross. I believe; along with other pilots; that this arrival is a very poorly written arrival; with 20 to 30 altitude deviations a month; it is very apparent that something is not right with this arrival.

Data retrieved from NASA's ASRS site as of July 2013 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.