PIC of EMB120 in a non adherence to ATC clearance instruction when issued a visual approach to airport relative to following an SF340.

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Attributes
ACN	358534
Time
Date	199701
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lbb
State Reference	TX
Altitude	msl bound lower : 8000 msl bound upper : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lbb
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 135
Navigation In Use	Other
Flight Phase	cruise other descent : approach
Route In Use	approach : visual arrival other enroute : direct
Flight Plan	IFR
Aircraft 2
Make Model Name	SF 340A
Operating Under FAR Part	Part 121
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 9500 flight time type : 5000
ASRS Report	358534
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : airborne less severe non adherence : clearance non adherence : far non adherence : required legal separation non adherence other other anomaly
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : became reoriented other
Consequence	Other
Miss Distance	horizontal : 9000 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While approximately 15 mi east of lbb we were cleared for the visual approach to runway 36L and instructed to follow a saab commuter aircraft to the airport. I was the PF and unfortunately I did not understand this clearance correctly. I did not see the other aircraft or know that we were supposed to follow it. Traveling much faster, so soon overtook the other aircraft before it was visually acquired. We queried and informed ATC that we could not follow the saab since we were now in front of it. ATC then cleared us for the visual approach (again) and made the saab follow us to the airport. I realized my mistake and expedited to the airport to help prevent the saab from slowing down more than he had to. In my haste it is possible that I may have exceeded the 200 mph speed limit in the air traffic area. Contributing to the problem was that I was testing a new anr headset and was having some trouble adjusting the volume and making it work right. This was responsible for me missing or having misunderstood the call from ATC.

Original NASA ASRS Text

Title: PIC OF EMB120 IN A NON ADHERENCE TO ATC CLRNC INSTRUCTION WHEN ISSUED A VISUAL APCH TO ARPT RELATIVE TO FOLLOWING AN SF340.

Narrative: WHILE APPROX 15 MI E OF LBB WE WERE CLRED FOR THE VISUAL APCH TO RWY 36L AND INSTRUCTED TO FOLLOW A SAAB COMMUTER ACFT TO THE ARPT. I WAS THE PF AND UNFORTUNATELY I DID NOT UNDERSTAND THIS CLRNC CORRECTLY. I DID NOT SEE THE OTHER ACFT OR KNOW THAT WE WERE SUPPOSED TO FOLLOW IT. TRAVELING MUCH FASTER, SO SOON OVERTOOK THE OTHER ACFT BEFORE IT WAS VISUALLY ACQUIRED. WE QUERIED AND INFORMED ATC THAT WE COULD NOT FOLLOW THE SAAB SINCE WE WERE NOW IN FRONT OF IT. ATC THEN CLRED US FOR THE VISUAL APCH (AGAIN) AND MADE THE SAAB FOLLOW US TO THE ARPT. I REALIZED MY MISTAKE AND EXPEDITED TO THE ARPT TO HELP PREVENT THE SAAB FROM SLOWING DOWN MORE THAN HE HAD TO. IN MY HASTE IT IS POSSIBLE THAT I MAY HAVE EXCEEDED THE 200 MPH SPD LIMIT IN THE ATA. CONTRIBUTING TO THE PROB WAS THAT I WAS TESTING A NEW ANR HEADSET AND WAS HAVING SOME TROUBLE ADJUSTING THE VOLUME AND MAKING IT WORK RIGHT. THIS WAS RESPONSIBLE FOR ME MISSING OR HAVING MISUNDERSTOOD THE CALL FROM ATC.

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.