Narrative:

On a training flight we did a GPS approach; tower was closed. We were working with approach control; and were cleared for full stop. We landed without making advisory calls as controller never passed us onto advisory frequency; [we] were monitoring frequency with no announcements made or heard. We landed; stopped at the 4000 foot marker; and set up for a normal take off. We rolled without making an advisory call. We accelerated to 75 knots and as I began rotation my instructor took over the controls and launched us into the air; looking to my right I could see a cessna taking off on intersecting runway. We continued with a normal climb and attempted a call to the cessna. Upon contact my instructor stated we had keyed in the wrong advisory frequency; off by one digit. We remedied the frequency; and exchanged information with the cessna.

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Original NASA ASRS Text

Title: Columbia 400 Student with Instructor report an NMAC with a C172 departing on the intersecting runway. CTAF calls had not been made by the Columbia crew during approach and landing. When the Instructor attempted contact with the C172; the radio was found to be mistuned.

Narrative: On a training flight we did a GPS approach; Tower was closed. We were working with Approach Control; and were cleared for full stop. We landed without making advisory calls as Controller never passed us onto advisory frequency; [we] were monitoring frequency with no announcements made or heard. We landed; stopped at the 4000 foot marker; and set up for a normal take off. We rolled without making an advisory call. We accelerated to 75 knots and as I began rotation my Instructor took over the controls and launched us into the air; looking to my right I could see a Cessna taking off on intersecting runway. We continued with a normal climb and attempted a call to the Cessna. Upon contact my Instructor stated we had keyed in the wrong advisory frequency; off by one digit. We remedied the frequency; and exchanged information with the Cessna.

Data retrieved from NASA's ASRS site as of April 2012 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.