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Due to misreading of flight progress strip, an IFR air carrier was released using VFR separation standards.
| Attributes | |
| ACN | 118987 |
| Time | |
| Date | 198907 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sjc |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 1500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : sjc |
| Operator | common carrier : air carrier |
| Make Model Name | Small Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : takeoff climbout : initial |
| Flight Plan | VFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Small Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : takeoff climbout : initial |
| Route In Use | departure other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : non radar |
| ASRS Report | 118987 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Inter Facility Coordination Failure Operational Deviation |
Narrative:
2 aircraft ready for departure with similar call signs. Air carrier X was VFR with an arsa heading of 030 degree, and air carrier Y was IFR on a sunol 2 departure. I departed air carrier X then, looking at the wrong flight progress strip, and departed air carrier Y on a 340 heading and altitude restriction of 1500' or below, VFR, which the pilot accepted without question. When air carrier Y was about 3 mi from the airport, I realized my error and contacted approach control and advised him of the occurrence, and handed off air carrier Y to his control.
Original NASA ASRS Text
Title: DUE TO MISREADING OF FLT PROGRESS STRIP, AN IFR ACR WAS RELEASED USING VFR SEPARATION STANDARDS.
Narrative: 2 ACFT READY FOR DEP WITH SIMILAR CALL SIGNS. ACR X WAS VFR WITH AN ARSA HDG OF 030 DEG, AND ACR Y WAS IFR ON A SUNOL 2 DEP. I DEPARTED ACR X THEN, LOOKING AT THE WRONG FLT PROGRESS STRIP, AND DEPARTED ACR Y ON A 340 HDG AND ALT RESTRICTION OF 1500' OR BELOW, VFR, WHICH THE PLT ACCEPTED WITHOUT QUESTION. WHEN ACR Y WAS ABOUT 3 MI FROM THE ARPT, I REALIZED MY ERROR AND CONTACTED APCH CTL AND ADVISED HIM OF THE OCCURRENCE, AND HANDED OFF ACR Y TO HIS CONTROL.
Data retrieved from NASA's ASRS site as of August 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.