<< >> NASA ASRS Report 434410, April 1999

Flight crew of a cpr lear jet 31 failed to follow taxi out instructions resulting in inadvertent crossing of an active runway.

Attributes
ACN	434410
Time
Date	199904
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : msp.airport
State Reference	MN
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Learjet 31
Operating Under FAR Part	Part 91
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 100 flight time total : 3300 flight time type : 700
ASRS Report	434410
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	incursion : runway non adherence : clearance non adherence : far
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Read back a clearance to taxi via 'taxiway west and taxiway D, hold short of runway 12R.' taxied to runway 12R and held short. It was later when I called the tower (as requested) that I found out the taxi clearance was 'taxi to runway 12L via txwys, V, west, D, and hold short of runway 12R.' it was then that I realized I had not received the full clearance and had only read back a partial clearance. This partial readback caused us to cross an active runway (runway 22). The tower chief found that his ground controller should have clarified the readback. I feel an extra check with ground before crossing a runway would have warded off this situation.

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Original NASA ASRS Text

Title: FLC OF A CPR LEAR JET 31 FAILED TO FOLLOW TAXI OUT INSTRUCTIONS RESULTING IN INADVERTENT XING OF AN ACTIVE RWY.

Narrative: READ BACK A CLRNC TO TAXI VIA 'TXWY W AND TXWY D, HOLD SHORT OF RWY 12R.' TAXIED TO RWY 12R AND HELD SHORT. IT WAS LATER WHEN I CALLED THE TWR (AS REQUESTED) THAT I FOUND OUT THE TAXI CLRNC WAS 'TAXI TO RWY 12L VIA TXWYS, V, W, D, AND HOLD SHORT OF RWY 12R.' IT WAS THEN THAT I REALIZED I HAD NOT RECEIVED THE FULL CLRNC AND HAD ONLY READ BACK A PARTIAL CLRNC. THIS PARTIAL READBACK CAUSED US TO CROSS AN ACTIVE RWY (RWY 22). THE TWR CHIEF FOUND THAT HIS GND CTLR SHOULD HAVE CLARIFIED THE READBACK. I FEEL AN EXTRA CHK WITH GND BEFORE XING A RWY WOULD HAVE WARDED OFF THIS SIT.

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.