<< >> NASA ASRS Report 517990, July 2001

A falcon 50 first officer reported that dtw had recently changed runway designators and there was initial confusion between being cleared to land on runway 21L and runway 22L which were, in fact, the same runway.

Attributes
ACN	517990
Time
Date	200107
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : dtw.airport
State Reference	MI
Altitude	msl single value : 3000
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Falcon 50
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 100 flight time total : 12500 flight time type : 104
ASRS Report	517990
Events
Anomaly	non adherence : published procedure
Resolutory Action	controller : issued new clearance
Supplementary
Problem Areas	Flight Crew Human Performance Airport Chart Or Publication
Primary Problem	Flight Crew Human Performance

Narrative:

Detroit metropolitan airport had changed the runway designators. We thought we were cleared for runway 21L and read that back, along with the intercept heading and airspeed restr. We talked to more than 1 approach controller and made at least 1 frequency change. The last approach controller told us that we were cleared to runway 22L and to turn to a heading of 240 degrees. We turned and landed on runway 22L visually after being cleared to land by the tower. After a subsequent telephone call to the approach control supervisor, we were advised that there was no problem.

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Original NASA ASRS Text

Title: A FALCON 50 FO RPTED THAT DTW HAD RECENTLY CHANGED RWY DESIGNATORS AND THERE WAS INITIAL CONFUSION BTWN BEING CLRED TO LAND ON RWY 21L AND RWY 22L WHICH WERE, IN FACT, THE SAME RWY.

Narrative: DETROIT METRO ARPT HAD CHANGED THE RWY DESIGNATORS. WE THOUGHT WE WERE CLRED FOR RWY 21L AND READ THAT BACK, ALONG WITH THE INTERCEPT HDG AND AIRSPD RESTR. WE TALKED TO MORE THAN 1 APCH CTLR AND MADE AT LEAST 1 FREQ CHANGE. THE LAST APCH CTLR TOLD US THAT WE WERE CLRED TO RWY 22L AND TO TURN TO A HDG OF 240 DEGS. WE TURNED AND LANDED ON RWY 22L VISUALLY AFTER BEING CLRED TO LAND BY THE TWR. AFTER A SUBSEQUENT TELEPHONE CALL TO THE APCH CTL SUPVR, WE WERE ADVISED THAT THERE WAS NO PROB.

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.