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An MD80 flight crew; during an approach following a go around for an antiskid failure caution; armed the ILS for approach before receiving clearance. An altitude excursion was the result.
| Attributes | |
| ACN | 1004586 |
| Time | |
| Date | 201204 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | MD-82 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Component | |
| Aircraft Component | Antiskid System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance |
Narrative:
After go around for anti skid failure caution an emergency was declared. On an intercept but not yet cleared for approach ATC had kept us high to go over traffic. I selected ILS with autopilot engaged. We were cleared to descend to 4;000 however glideslope captured and descended to 3;550. Both pilots were looking for the traffic that ATC was calling. We then noticed altitude deviation and ATC called at the same time. We were then simultaneously cleared for the approach.
Original NASA ASRS Text
Title: An MD80 flight crew; during an approach following a go around for an antiskid failure caution; armed the ILS for approach before receiving clearance. An altitude excursion was the result.
Narrative: After go around for anti skid failure caution an emergency was declared. On an intercept but not yet cleared for approach ATC had kept us high to go over traffic. I selected ILS with autopilot engaged. We were cleared to descend to 4;000 however glideslope captured and descended to 3;550. Both pilots were looking for the traffic that ATC was calling. We then noticed altitude deviation and ATC called at the same time. We were then simultaneously cleared for the approach.
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.