Narrative:

We were descending along the zeekk arrival into iah. Crossing sofft we were cleared the ILS runway 27. When we loaded the approach we choose sills as the IAF. We missed there was and inset on the approach plate which included another IAF clsik and the intermediate fix grung. The depiction on the chart is not intuitive and easy to miss. Having been cleared the approach; we flew direct to sills. The approach advised we had skipped clsik and grung; ATC did not raise a fuss and we landed without further incident. Sounded like we were not the first to miss this.error in understanding between ATC and the flight crew. Also the jeppesen plate is not intuitive; lists multiple IAF's for the same approach. I think the approach transitions should be included to the east of the approach and not as an inset. The line indicating other fixes to the east is obscured by writing on the chart.needless to say this error will result in being more vigilant in the future when transitioning from the arrival to the approach as well as all other phases of flight.

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Original NASA ASRS Text

Title: An E170 First Officer reported that there was an inset on the approach plate which included another IAF (initial approach fix) that was missed.

Narrative: We were descending along the ZEEKK arrival into IAH. Crossing SOFFT we were cleared the ILS Runway 27. When we loaded the approach we choose SILLS as the IAF. We missed there was and inset on the approach plate which included another IAF CLSIK and the intermediate fix GRUNG. The depiction on the chart is not intuitive and easy to miss. Having been cleared the approach; we flew direct to SILLS. The approach advised we had skipped CLSIK and GRUNG; ATC did not raise a fuss and we landed without further incident. Sounded like we were not the first to miss this.Error in understanding between ATC and the flight crew. Also the Jeppesen plate is not intuitive; lists multiple IAF's for the same approach. I think the approach transitions should be included to the east of the approach and not as an inset. The line indicating other fixes to the east is obscured by writing on the chart.Needless to say this error will result in being more vigilant in the future when transitioning from the arrival to the approach as well as all other phases of flight.

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.