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RV6 pilot reported descending to 4;000 feet outside zinky on the ILS runway 26 at ast before realizing his mistake and climbing up to 4;400 feet.
| Attributes | |
| ACN | 1310371 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | AST.Airport |
| State Reference | OR |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | RV-6 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Instrument Flight Crew Private |
| Experience | Flight Crew Last 90 Days 16 Flight Crew Total 2007 Flight Crew Type 1250 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance |
Narrative:
On an IFR clearance; talking to seattle center and flying vectors to the runway 26 ILS approach at ast. Was vectored to final and cleared for the approach approximately 5 miles outside of zinky intersection; with an altitude restriction of 5000 or 5500 until established; I don't recall for certain. In any case I intercepted the localizer about that same time and began a descent. I glanced briefly at the chart and saw 4000 so I descended to that altitude; without realizing that the altitude I was looking at was for junsa which I had not yet reached; and in fact I was still outside zinky where the min. Altitude is 4400. After a minute or two I noticed I was below the glideslope and not yet at zinky; so I climbed to 4400 at about the time I passed zinky; and began a normal descent on the glideslope. Cause was my complacency; thinking I know this approach; and not looking more closely at the chart.
Original NASA ASRS Text
Title: RV6 pilot reported descending to 4;000 feet outside ZINKY on the ILS Runway 26 at AST before realizing his mistake and climbing up to 4;400 feet.
Narrative: On an IFR clearance; talking to Seattle Center and flying vectors to the Runway 26 ILS approach at AST. Was vectored to final and cleared for the approach approximately 5 miles outside of ZINKY intersection; with an altitude restriction of 5000 or 5500 until established; I don't recall for certain. In any case I intercepted the localizer about that same time and began a descent. I glanced briefly at the chart and saw 4000 so I descended to that altitude; without realizing that the altitude I was looking at was for JUNSA which I had not yet reached; and in fact I was still outside ZINKY where the min. altitude is 4400. After a minute or two I noticed I was below the glideslope and not yet at ZINKY; so I climbed to 4400 at about the time I passed ZINKY; and began a normal descent on the glideslope. Cause was my complacency; thinking I know this approach; and not looking more closely at the chart.
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.