<< >> NASA ASRS Report 503540, February 2001

Air carrier mdt flight crew were alerted by departure controller that they were showing the wrong transponder code during climb after takeoff.

Attributes
ACN	503540
Time
Date	200102
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mia.airport
State Reference	FL
Altitude	msl single value : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : mia.tracon
Operator	common carrier : air carrier
Make Model Name	ATR 42
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : multi engine
Experience	flight time last 90 days : 150 flight time total : 4000 flight time type : 2500
ASRS Report	503540
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Events
Anomaly	non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : transponder other controllera
Resolutory Action	controller : issued alert other
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While on climb out to the west from runway 27R en route to key west, departure control advised that our transponder code was incorrect. No traffic conflict existed, and I would normally not consider this much more than an error on our part. However, the first officer did not write down the clearance, as he was very accustomed to flying the same departure, he became complacent. My fault was in not confirming the clearance as I was running late for departure. I will never sacrifice safety for schedule again. The fact that no traffic was affected by our mistake was only luck this time.

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Original NASA ASRS Text

Title: ACR MDT FLC WERE ALERTED BY DEP CTLR THAT THEY WERE SHOWING THE WRONG XPONDER CODE DURING CLB AFTER TKOF.

Narrative: WHILE ON CLBOUT TO THE W FROM RWY 27R ENRTE TO KEY WEST, DEP CTL ADVISED THAT OUR XPONDER CODE WAS INCORRECT. NO TFC CONFLICT EXISTED, AND I WOULD NORMALLY NOT CONSIDER THIS MUCH MORE THAN AN ERROR ON OUR PART. HOWEVER, THE FO DID NOT WRITE DOWN THE CLRNC, AS HE WAS VERY ACCUSTOMED TO FLYING THE SAME DEP, HE BECAME COMPLACENT. MY FAULT WAS IN NOT CONFIRMING THE CLRNC AS I WAS RUNNING LATE FOR DEP. I WILL NEVER SACRIFICE SAFETY FOR SCHEDULE AGAIN. THE FACT THAT NO TFC WAS AFFECTED BY OUR MISTAKE WAS ONLY LUCK THIS TIME.

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.