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2 aircraft at decatur, il, fly the usual traffic pattern instead of the one assigned by the 'new' local controller.
| Attributes | |
| ACN | 491040 |
| Time | |
| Date | 200011 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dec.airport |
| State Reference | IL |
| Altitude | msl single value : 14000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : dec.tower |
| Operator | general aviation : personal |
| Make Model Name | PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern |
| Flight Plan | None |
| Aircraft 2 | |
| Controlling Facilities | tower : dec.tower |
| Operator | general aviation : personal |
| Make Model Name | Cessna 150 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : multi engine pilot : commercial pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 60 flight time total : 1100 flight time type : 300 |
| ASRS Report | 491040 |
| Person 2 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | other controllera |
| Consequence | faa : reviewed incident with flight crew Other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
The C150 was ahead of me by several mi when it approached the traffic pattern. Proper radio procedures were used throughout. I called the tower a few mins after the cessna to report inbound from the same direction (northwest). Both aircraft were given the clearance to 'report 2 mi right base to runway 18.' as I reported right base to runway 18, I saw the cessna just starting to depart runway 18 on the 'option.' the cessna began its turn onto left crosswind. Left traffic is standard for runway 18. I proceeded to do my touch-and-go on runway 18 as requested and cleared by the tower. The cessna was now on left downwind. Both aircraft proceeded to make another circuit. Into the third circuit, the controller, who is new to this tower, proceeded to reprimand both aircraft for not 'telling him we were going to make left traffic.' I queried him on his comment. The controller said 'I set both aircraft up for right traffic and you are doing left.' I landed, taxied to parking and talked to the pilot of the other aircraft who is also a CFI. Neither of us could recall ever being told to make right traffic. Both aircraft also repeatedly mentioned 'left' during the pattern work and were cleared for the options. The controller must have believed that a right base entry to the air traffic area implied right traffic.
Original NASA ASRS Text
Title: 2 ACFT AT DECATUR, IL, FLY THE USUAL TFC PATTERN INSTEAD OF THE ONE ASSIGNED BY THE 'NEW' LCL CTLR.
Narrative: THE C150 WAS AHEAD OF ME BY SEVERAL MI WHEN IT APCHED THE TFC PATTERN. PROPER RADIO PROCS WERE USED THROUGHOUT. I CALLED THE TWR A FEW MINS AFTER THE CESSNA TO RPT INBOUND FROM THE SAME DIRECTION (NW). BOTH ACFT WERE GIVEN THE CLRNC TO 'RPT 2 MI R BASE TO RWY 18.' AS I RPTED R BASE TO RWY 18, I SAW THE CESSNA JUST STARTING TO DEPART RWY 18 ON THE 'OPTION.' THE CESSNA BEGAN ITS TURN ONTO L XWIND. L TFC IS STANDARD FOR RWY 18. I PROCEEDED TO DO MY TOUCH-AND-GO ON RWY 18 AS REQUESTED AND CLRED BY THE TWR. THE CESSNA WAS NOW ON L DOWNWIND. BOTH ACFT PROCEEDED TO MAKE ANOTHER CIRCUIT. INTO THE THIRD CIRCUIT, THE CTLR, WHO IS NEW TO THIS TWR, PROCEEDED TO REPRIMAND BOTH ACFT FOR NOT 'TELLING HIM WE WERE GOING TO MAKE L TFC.' I QUERIED HIM ON HIS COMMENT. THE CTLR SAID 'I SET BOTH ACFT UP FOR R TFC AND YOU ARE DOING L.' I LANDED, TAXIED TO PARKING AND TALKED TO THE PLT OF THE OTHER ACFT WHO IS ALSO A CFI. NEITHER OF US COULD RECALL EVER BEING TOLD TO MAKE R TFC. BOTH ACFT ALSO REPEATEDLY MENTIONED 'L' DURING THE PATTERN WORK AND WERE CLRED FOR THE OPTIONS. THE CTLR MUST HAVE BELIEVED THAT A R BASE ENTRY TO THE ATA IMPLIED R TFC.
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.