A320 flight crew reported receiving a low altitude alert from aus tower on approach to runway 35R.

Attributes
ACN	1743468
Time
Date	202005
Local Time Of Day	1801-2400
Place
Locale Reference	AUS.Tower
State Reference	TX
Environment
Flight Conditions	Marginal
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Flight Plan	IFR
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Person 2
Function	Pilot Not Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT Inflight Event / Encounter Weather / Turbulence

Narrative:

Cleared direct to balld fix to intercept the localizer at or above 3000 ft. Once at balld we were cleared for the approach. I put in 2100 and started down not realizing that sshoe was a missing fix and was at 2500 ft. We received a low altitude from tower and the captain took [the] controls and climbed to 2500 ft. Double check all fixes are in the box when cleared to outermost fixes on approaches.

Original NASA ASRS Text

Title: A320 flight crew reported receiving a low altitude alert from AUS Tower on approach to Runway 35R.

Narrative: Cleared direct to BALLD fix to intercept the localizer at or above 3000 ft. Once at BALLD we were cleared for the approach. I put in 2100 and started down not realizing that SSHOE was a missing fix and was at 2500 ft. We received a low altitude from Tower and the Captain took [the] controls and climbed to 2500 ft. Double check all fixes are in the box when cleared to outermost fixes on approaches.

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.