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Air carrier questioned ATC's preparation of ATIS information listing examples of code and information changes but an unchanging ATIS time stamp.
| Attributes | |
| ACN | 772409 |
| Time | |
| Date | 200802 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 311 flight time type : 11400 |
| ASRS Report | 772409 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | FAA ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
This is a GA safety problem/question concerning ATIS reports. I was at (city) and copied ATIS; XA45Z; at approximately XB00Z. Runway 23L was notamed closed. During deicing off the gate; I noticed that runway 23L was being used for departures and heard ground control tell someone that new ATIS was current so I listened to new ATIS. The time stamp was the same (XA45Z) and all WX information was the same. The only difference was that runway 23L was not notamed closed. My question/problem is; how can an ATIS have the same time stamp but a different identify and different information? When I listen to an XA54Z ATIS on the hour; I assume I have the most current ATIS when I call for taxi up until XB50 of that hour. A similar situation occurs about once a month. I get the XA54Z ATIS; call for taxi; and have ground control tell me that the ATIS I called with is not current. So I go back and listen to the 'new' ATIS; only to find out it has the same time stamp and the same information; just a new identify. This definitely creates an unnecessary workload; and has the potential to create confusion and/or distraction during engine start and taxi out. Whomever prepares the new ATIS should ensure that a new identify is issued with it. If any information changes; a new time stamp and identify should be issued.
Original NASA ASRS Text
Title: ACR QUESTIONED ATC'S PREPARATION OF ATIS INFO LISTING EXAMPLES OF CODE AND INFO CHANGES BUT AN UNCHANGING ATIS TIME STAMP.
Narrative: THIS IS A GA SAFETY PROB/QUESTION CONCERNING ATIS RPTS. I WAS AT (CITY) AND COPIED ATIS; XA45Z; AT APPROX XB00Z. RWY 23L WAS NOTAMED CLOSED. DURING DEICING OFF THE GATE; I NOTICED THAT RWY 23L WAS BEING USED FOR DEPS AND HEARD GND CTL TELL SOMEONE THAT NEW ATIS WAS CURRENT SO I LISTENED TO NEW ATIS. THE TIME STAMP WAS THE SAME (XA45Z) AND ALL WX INFO WAS THE SAME. THE ONLY DIFFERENCE WAS THAT RWY 23L WAS NOT NOTAMED CLOSED. MY QUESTION/PROB IS; HOW CAN AN ATIS HAVE THE SAME TIME STAMP BUT A DIFFERENT IDENT AND DIFFERENT INFO? WHEN I LISTEN TO AN XA54Z ATIS ON THE HR; I ASSUME I HAVE THE MOST CURRENT ATIS WHEN I CALL FOR TAXI UP UNTIL XB50 OF THAT HR. A SIMILAR SITUATION OCCURS ABOUT ONCE A MONTH. I GET THE XA54Z ATIS; CALL FOR TAXI; AND HAVE GND CTL TELL ME THAT THE ATIS I CALLED WITH IS NOT CURRENT. SO I GO BACK AND LISTEN TO THE 'NEW' ATIS; ONLY TO FIND OUT IT HAS THE SAME TIME STAMP AND THE SAME INFO; JUST A NEW IDENT. THIS DEFINITELY CREATES AN UNNECESSARY WORKLOAD; AND HAS THE POTENTIAL TO CREATE CONFUSION AND/OR DISTR DURING ENG START AND TAXI OUT. WHOMEVER PREPARES THE NEW ATIS SHOULD ENSURE THAT A NEW IDENT IS ISSUED WITH IT. IF ANY INFO CHANGES; A NEW TIME STAMP AND IDENT SHOULD BE ISSUED.
Data retrieved from NASA's ASRS site as of May 2009 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.