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Prc controller described incident when the interfacility between the host and stars computer failed to display target of IFR visibility approach aircraft.
| Attributes | |
| ACN | 750256 |
| Time | |
| Date | 200708 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : prc.tower |
| State Reference | AZ |
| Altitude | msl single value : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : prc.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Beech 1900 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| ASRS Report | 750256 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | FAA Navigational Facility |
| Primary Problem | Ambiguous |
Narrative:
During moderate to heavy traffic aircraft X called inside class D airspace descending to pattern altitude. Even though FD had associated the aircraft call sign with the correct beacon code; aircraft X did not tag up and entered busy traffic without warning. Several other aircraft were given control instructions breaking them off their planned rtes and patterns to make room for the surprise faster inbound beech 1900. The later communications handoff and the inability of stars to automatically or manually tag IFR aircraft inbound from center caused this situation.
Original NASA ASRS Text
Title: PRC CTLR DESCRIBED INCIDENT WHEN THE INTERFAC BETWEEN THE HOST AND STARS COMPUTER FAILED TO DISPLAY TARGET OF IFR VIS APCH ACFT.
Narrative: DURING MODERATE TO HVY TFC ACFT X CALLED INSIDE CLASS D AIRSPACE DSNDING TO PATTERN ALT. EVEN THOUGH FD HAD ASSOCIATED THE ACFT CALL SIGN WITH THE CORRECT BEACON CODE; ACFT X DID NOT TAG UP AND ENTERED BUSY TFC WITHOUT WARNING. SEVERAL OTHER ACFT WERE GIVEN CTL INSTRUCTIONS BREAKING THEM OFF THEIR PLANNED RTES AND PATTERNS TO MAKE ROOM FOR THE SURPRISE FASTER INBOUND BEECH 1900. THE LATER COMS HDOF AND THE INABILITY OF STARS TO AUTOMATICALLY OR MANUALLY TAG IFR ACFT INBOUND FROM CTR CAUSED THIS SITUATION.
Data retrieved from NASA's ASRS site as of January 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.