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Reporter states the single ICAO aircraft type designator for gulfstream ii, III, iv, and V is gulf. He remarks that there is a marked difference in aircraft performance of these different models and would like to see more specific information available to controllers.
| Attributes | |
| ACN | 413594 |
| Time | |
| Date | 199809 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : zse |
| State Reference | WA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller non radar : 2 controller radar : 33 controller supervisory : 2 |
| ASRS Report | 415594 |
| Person 2 | |
| Affiliation | government : faa |
| Function | other personnel other |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
| Publication | Unspecified |
Narrative:
The ICAO type designator 'gulf' for all gulfstream aircraft G2 through G5 is an oversimplification. There is a marked difference in the performance of a G2 versus a G4 or G5. Knowledge of aircraft and their performance characteristics is a valuable tool to skilled air traffic controllers. Since we in the ctrs cannot look out the window and see the type, we have to ask the type. This is a nuisance and a waste of valuable radio time. I think more definitive designators would better serve ATC, rather than gulf. Callback conversation with reporter revealed the following information: contacted reporter regarding the recent aircraft designator changes for the gulfstream and other types of aircraft. Reporter stated that he was not aware of the changes but was going to ask staff to locate a copy of the alert bulletin.
Original NASA ASRS Text
Title: RPTR STATES THE SINGLE ICAO ACFT TYPE DESIGNATOR FOR GULFSTREAM II, III, IV, AND V IS GULF. HE REMARKS THAT THERE IS A MARKED DIFFERENCE IN ACFT PERFORMANCE OF THESE DIFFERENT MODELS AND WOULD LIKE TO SEE MORE SPECIFIC INFO AVAILABLE TO CTLRS.
Narrative: THE ICAO TYPE DESIGNATOR 'GULF' FOR ALL GULFSTREAM ACFT G2 THROUGH G5 IS AN OVERSIMPLIFICATION. THERE IS A MARKED DIFFERENCE IN THE PERFORMANCE OF A G2 VERSUS A G4 OR G5. KNOWLEDGE OF ACFT AND THEIR PERFORMANCE CHARACTERISTICS IS A VALUABLE TOOL TO SKILLED AIR TFC CTLRS. SINCE WE IN THE CTRS CANNOT LOOK OUT THE WINDOW AND SEE THE TYPE, WE HAVE TO ASK THE TYPE. THIS IS A NUISANCE AND A WASTE OF VALUABLE RADIO TIME. I THINK MORE DEFINITIVE DESIGNATORS WOULD BETTER SERVE ATC, RATHER THAN GULF. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: CONTACTED RPTR REGARDING THE RECENT ACFT DESIGNATOR CHANGES FOR THE GULFSTREAM AND OTHER TYPES OF ACFT. RPTR STATED THAT HE WAS NOT AWARE OF THE CHANGES BUT WAS GOING TO ASK STAFF TO LOCATE A COPY OF THE ALERT BULLETIN.
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.