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Flight crew of a B737-300 heard, recorded and crossed fix at the altitude that they believed assigned. After questioning ATC if altitude was correct since it was different than shown expected on the STAR arrival, controller said that it was the altitude expected. This left the crew wondering if the controller had just given them the expected altitude or given it originally.
| Attributes | |
| ACN | 406950 |
| Time | |
| Date | 199806 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mia |
| State Reference | FL |
| Altitude | msl bound lower : 11000 msl bound upper : 13000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star enroute airway : mia |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 190 flight time total : 10000 flight time type : 1800 |
| ASRS Report | 406950 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
Heatt 5 arrival into mia states expect clearance to cross heatt at 11000 ft when landing west. We both heard clearance to 13000 ft, but didn't recall receiving clearance to cross heatt at 11000 ft. Upon crossing heatt at 13000 ft, we asked approach control to confirm our altitude assignment. ATC responded 11000 ft. We didn't know if he had given us 11000 ft previously and we missed it or was giving us 11000 ft for the first time when we asked to confirm our altitude assignment.
Original NASA ASRS Text
Title: FLC OF A B737-300 HEARD, RECORDED AND CROSSED FIX AT THE ALT THAT THEY BELIEVED ASSIGNED. AFTER QUESTIONING ATC IF ALT WAS CORRECT SINCE IT WAS DIFFERENT THAN SHOWN EXPECTED ON THE STAR ARR, CTLR SAID THAT IT WAS THE ALT EXPECTED. THIS LEFT THE CREW WONDERING IF THE CTLR HAD JUST GIVEN THEM THE EXPECTED ALT OR GIVEN IT ORIGINALLY.
Narrative: HEATT 5 ARR INTO MIA STATES EXPECT CLRNC TO CROSS HEATT AT 11000 FT WHEN LNDG W. WE BOTH HEARD CLRNC TO 13000 FT, BUT DIDN'T RECALL RECEIVING CLRNC TO CROSS HEATT AT 11000 FT. UPON XING HEATT AT 13000 FT, WE ASKED APCH CTL TO CONFIRM OUR ALT ASSIGNMENT. ATC RESPONDED 11000 FT. WE DIDN'T KNOW IF HE HAD GIVEN US 11000 FT PREVIOUSLY AND WE MISSED IT OR WAS GIVING US 11000 FT FOR THE FIRST TIME WHEN WE ASKED TO CONFIRM OUR ALT ASSIGNMENT.
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.