|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||1201 To 1800|
|Locale Reference||atc facility : etx|
airport : abe
|Altitude||msl bound lower : 4000|
msl bound upper : 6000
|Controlling Facilities||tracon : abe|
tracon : har
|Operator||common carrier : air carrier|
|Make Model Name||Medium Transport, High Wing, 2 Turboprop Eng|
|Flight Phase||climbout : intermediate altitude|
|Affiliation||company : air carrier|
|Function||flight crew : captain|
oversight : pic
|Qualification||pilot : atp|
|Experience||flight time last 90 days : 200|
flight time total : 3800
flight time type : 35
|Function||flight crew : first officer|
|Qualification||pilot : commercial|
pilot : instrument
|Anomaly||altitude deviation : excursion from assigned altitude|
non adherence : clearance
|Independent Detector||other controllera|
|Resolutory Action||controller : issued new clearance|
|Primary Problem||Flight Crew Human Performance|
|Air Traffic Incident||Pilot Deviation|
On departure from allentown PA to bwi we were talking to abe departure frequency 124.45 and heard a frequency change for our flight to harrisburg approach frequency 126.45 and an altitude change from 4000' to 6000'. Upon contacting harrisburg approach we were informed that we had made our frequency change in error. So we returned to our former frequency (abe 124.45). When we reported back on with allentown he informed us he had not issued an altitude change. We asked if our altitude change had caused a conflict and he replied 'no not really'. From this experience I learned to monitor ATC instructions more carefully and not automatically assume that instructions are for our flight when they normally should occur.
Original NASA ASRS Text
Title: ACR TOOK WRONG CLRNC AND CLIMBED 2000' WITHOUT AUTHORIZATION.
Narrative: ON DEPARTURE FROM ALLENTOWN PA TO BWI WE WERE TALKING TO ABE DEP FREQ 124.45 AND HEARD A FREQ CHANGE FOR OUR FLT TO HARRISBURG APCH FREQ 126.45 AND AN ALT CHANGE FROM 4000' TO 6000'. UPON CONTACTING HARRISBURG APCH WE WERE INFORMED THAT WE HAD MADE OUR FREQ CHANGE IN ERROR. SO WE RETURNED TO OUR FORMER FREQ (ABE 124.45). WHEN WE REPORTED BACK ON WITH ALLENTOWN HE INFORMED US HE HAD NOT ISSUED AN ALT CHANGE. WE ASKED IF OUR ALT CHANGE HAD CAUSED A CONFLICT AND HE REPLIED 'NO NOT REALLY'. FROM THIS EXPERIENCE I LEARNED TO MONITOR ATC INSTRUCTIONS MORE CAREFULLY AND NOT AUTOMATICALLY ASSUME THAT INSTRUCTIONS ARE FOR OUR FLT WHEN THEY NORMALLY SHOULD OCCUR.
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.