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A B777 first officer, PF into iah, was told by approach that he was going below the TCA floor. The first officer checked his chart and asserts that he did not exit class B airspace.
| Attributes | |
| ACN | 447005 |
| Time | |
| Date | 199908 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : iah.airport |
| State Reference | TX |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | Mixed |
| Weather Elements | Thunderstorm |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : i90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Route In Use | approach : instrument precision arrival : on vectors arrival star : das 3 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 11000 flight time type : 300 |
| ASRS Report | 447005 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter : weather other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | other |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Deviation |
| Situations | |
| ATC Facility | staffing : iah.tower |
Narrative:
On radar vectors to join runway 27 localizer iah. Approach control very busy -- thunderstorms and talking very fast. I was cleared to join localizer, then, at the end of the clearance, very fast, he said 'going below TCA floor, no traffic observed.' I immediately checked the commercial chart page 10-1A and saw that I was not below the floor. This causes a lot of anxiety right when you are busy. This is a common and recurring problem landing at iah.
Original NASA ASRS Text
Title: A B777 FO, PF INTO IAH, WAS TOLD BY APCH THAT HE WAS GOING BELOW THE TCA FLOOR. THE FO CHKED HIS CHART AND ASSERTS THAT HE DID NOT EXIT CLASS B AIRSPACE.
Narrative: ON RADAR VECTORS TO JOIN RWY 27 LOC IAH. APCH CTL VERY BUSY -- TSTMS AND TALKING VERY FAST. I WAS CLRED TO JOIN LOC, THEN, AT THE END OF THE CLRNC, VERY FAST, HE SAID 'GOING BELOW TCA FLOOR, NO TFC OBSERVED.' I IMMEDIATELY CHKED THE COMMERCIAL CHART PAGE 10-1A AND SAW THAT I WAS NOT BELOW THE FLOOR. THIS CAUSES A LOT OF ANXIETY RIGHT WHEN YOU ARE BUSY. THIS IS A COMMON AND RECURRING PROB LNDG AT IAH.
Data retrieved from NASA's ASRS site as of July 2007 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.