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The reporter thought he was cleared from 7000 ft to 5000 ft but the clearance was for another aircraft.
| Attributes | |
| ACN | 317170 |
| Time | |
| Date | 199509 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : stl |
| State Reference | MO |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : stl |
| Operator | general aviation : corporate |
| Make Model Name | Corsair |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 15000 flight time type : 3000 |
| ASRS Report | 317170 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was at 7000 ft and given a descent to 5000 ft I thought. As I was going through 6400 ft the controller told me to maintain 7000 ft. I then told the controller I was given 5000 ft and he said that was for another aircraft. I did read back my descent clearance to 5000 ft but the controller must not have caught it. There was no problem caused by this that I'm aware of. I was well rested and not less than 100 percent when this happened. Callback conversation with reporter revealed the following information: the reporter stated he was flying a cessna 425. There was nothing he would suggest that could be done differently. He took the clearance for another aircraft and read his clearance back but the controller did not catch the read back.
Original NASA ASRS Text
Title: THE RPTR THOUGHT HE WAS CLRED FROM 7000 FT TO 5000 FT BUT THE CLRNC WAS FOR ANOTHER ACFT.
Narrative: I WAS AT 7000 FT AND GIVEN A DSCNT TO 5000 FT I THOUGHT. AS I WAS GOING THROUGH 6400 FT THE CTLR TOLD ME TO MAINTAIN 7000 FT. I THEN TOLD THE CTLR I WAS GIVEN 5000 FT AND HE SAID THAT WAS FOR ANOTHER ACFT. I DID READ BACK MY DSCNT CLRNC TO 5000 FT BUT THE CTLR MUST NOT HAVE CAUGHT IT. THERE WAS NO PROB CAUSED BY THIS THAT I'M AWARE OF. I WAS WELL RESTED AND NOT LESS THAN 100 PERCENT WHEN THIS HAPPENED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED HE WAS FLYING A CESSNA 425. THERE WAS NOTHING HE WOULD SUGGEST THAT COULD BE DONE DIFFERENTLY. HE TOOK THE CLRNC FOR ANOTHER ACFT AND READ HIS CLRNC BACK BUT THE CTLR DID NOT CATCH THE READ BACK.
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.