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Due to a stuck microphone, controller was unable to stop climb of air carrier, resulting in less than standard separation with another aircraft.
| Attributes | |
| ACN | 115275 |
| Time | |
| Date | 198907 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mco |
| State Reference | FL |
| Altitude | msl bound lower : 11600 msl bound upper : 11600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mco |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Transport, Low Wing, 2 Recip Eng |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : flight engineer pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 13000 flight time type : 450 |
| ASRS Report | 115275 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 225 flight time total : 17000 |
| ASRS Report | 115276 |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 300 vertical : 200 |
Narrative:
Departed runway 18L at orlando. Contacted departure on 124.8 and were given heading 020 degree, climb to 12,000'. Passing 11,000' heard an unreadable call on frequency and tried to contact departure. There was obviously a stuck microphone on the frequency. At 11,600', saw a light twin about to cross our nose from right to left. Made a small evasive movement to the fight and contacted departure on 124.55. We were told to maintain 11,000 and that they had been trying to contact both of us but were unable due to a stuck microphone on the frequency. Light twin reported having seen us and having taken evasive action. Our flight continued to destination uneventfully. Factors appear to have been conflicting clrncs, a stuck microphone on the frequency, and good outside vigilance by both the light twin and our crew. Our passenger were unaware of any conflict.
Original NASA ASRS Text
Title: DUE TO A STUCK MIKE, CTLR WAS UNABLE TO STOP CLIMB OF ACR, RESULTING IN LESS THAN STANDARD SEPARATION WITH ANOTHER ACFT.
Narrative: DEPARTED RWY 18L AT ORLANDO. CONTACTED DEP ON 124.8 AND WERE GIVEN HDG 020 DEG, CLIMB TO 12,000'. PASSING 11,000' HEARD AN UNREADABLE CALL ON FREQ AND TRIED TO CONTACT DEP. THERE WAS OBVIOUSLY A STUCK MIKE ON THE FREQ. AT 11,600', SAW A LIGHT TWIN ABOUT TO CROSS OUR NOSE FROM RIGHT TO LEFT. MADE A SMALL EVASIVE MOVEMENT TO THE FIGHT AND CONTACTED DEP ON 124.55. WE WERE TOLD TO MAINTAIN 11,000 AND THAT THEY HAD BEEN TRYING TO CONTACT BOTH OF US BUT WERE UNABLE DUE TO A STUCK MIKE ON THE FREQ. LIGHT TWIN REPORTED HAVING SEEN US AND HAVING TAKEN EVASIVE ACTION. OUR FLT CONTINUED TO DEST UNEVENTFULLY. FACTORS APPEAR TO HAVE BEEN CONFLICTING CLRNCS, A STUCK MIKE ON THE FREQ, AND GOOD OUTSIDE VIGILANCE BY BOTH THE LIGHT TWIN AND OUR CREW. OUR PAX WERE UNAWARE OF ANY CONFLICT.
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.