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Small aircraft Y climb to occupied altitude had near midair collision less than standard separation from cpr X. System error. Conflict alert activated.
| Attributes | |
| ACN | 199691 |
| Time | |
| Date | 199201 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw tower : hpn |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 10 |
| ASRS Report | 199691 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : unspecified |
| Resolutory Action | controller : issued new clearance other |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 0 vertical : 300 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Cpr X level heading 270 degrees. Small aircraft Y departed F67 climbing to level 30. The airplanes got within 200 ft. Cpr X was given a climb clearance. Callback conversation with reporter revealed the following information: the reporter stated he had made a radar handoff to the departure controller with cpr Y, an light transport. The departure controller had not followed facility good operating practice when he released small aircraft Y, and small aircraft. Small aircraft Y should have been assigned vector heading 190 to maintain 2000 ft. The departure controller had forgot small aircraft Y conflict alert activated and cpr Y was issued climb to 4000 ft. Evasive action was not taken by the flcs. Operational error was filed.
Original NASA ASRS Text
Title: SMA Y CLB TO OCCUPIED ALT HAD NMAC LTSS FROM CPR X. SYS ERROR. CONFLICT ALERT ACTIVATED.
Narrative: CPR X LEVEL HDG 270 DEGS. SMA Y DEPARTED F67 CLBING TO LEVEL 30. THE AIRPLANES GOT WITHIN 200 FT. CPR X WAS GIVEN A CLB CLRNC. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED HE HAD MADE A RADAR HDOF TO THE DEP CTLR WITH CPR Y, AN LTT. THE DEP CTLR HAD NOT FOLLOWED FACILITY GOOD OPERATING PRACTICE WHEN HE RELEASED SMA Y, AND SMA. SMA Y SHOULD HAVE BEEN ASSIGNED VECTOR HDG 190 TO MAINTAIN 2000 FT. THE DEP CTLR HAD FORGOT SMA Y CONFLICT ALERT ACTIVATED AND CPR Y WAS ISSUED CLB TO 4000 FT. EVASIVE ACTION WAS NOT TAKEN BY THE FLCS. OPERROR WAS FILED.
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.