<< >> NASA ASRS Report 508750, April 2001

On vector to runway 12R at msp, M98 alerts flight crew to runway change. WX and briefing cockpit confign coordination results in altitude overshoot. Flight crew requests delay vectoring for correct briefing and preparation.

Attributes
ACN	508750
Time
Date	200104
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : msp.airport
State Reference	MN
Altitude	msl bound lower : 3000 msl bound upper : 5000
Environment
Flight Conditions	IMC
Light	Dusk
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Flight Phase	descent : intermediate altitude ground : parked
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : atp
Experience	flight time last 90 days : 180 flight time total : 7000 flight time type : 900
ASRS Report	508750
Events
Anomaly	altitude deviation : overshoot inflight encounter : weather non adherence : clearance
Resolutory Action	controller : issued new clearance flight crew : became reoriented flight crew : exited adverse environment
Supplementary
Problem Areas	Flight Crew Human Performance Weather Environmental Factor ATC Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

While being vectored for an approach to msp, aircraft cleared to deviate as required for WX with associated heavy rain and turbulence. Told to expect ILS runway 12R approach. Approximately 15 DME ssw of field, informed to expect ILS runway 4 approach and that aircraft was #1 for the approach. Given a heading and directed to slow to 170 KIAS. While slowing, encountered heavy rain. While reconfiguring navaids and approach charts for new approach, deviated approximately 700 ft low. Immediately corrected back to assigned altitude. Due to insufficient time to prepare for approach, crew requested to be resequenced. Approach control vectored aircraft for approach and approach and landing completed safely. No traffic or terrain alerts issued or observed. Causes: rapidly changing WX resulting in an unexpected runway change. Crew coordination.

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Original NASA ASRS Text

Title: ON VECTOR TO RWY 12R AT MSP, M98 ALERTS FLT CREW TO RWY CHANGE. WX AND BRIEFING COCKPIT CONFIGN COORD RESULTS IN ALT OVERSHOOT. FLT CREW REQUESTS DELAY VECTORING FOR CORRECT BRIEFING AND PREPARATION.

Narrative: WHILE BEING VECTORED FOR AN APCH TO MSP, ACFT CLRED TO DEVIATE AS REQUIRED FOR WX WITH ASSOCIATED HVY RAIN AND TURB. TOLD TO EXPECT ILS RWY 12R APCH. APPROX 15 DME SSW OF FIELD, INFORMED TO EXPECT ILS RWY 4 APCH AND THAT ACFT WAS #1 FOR THE APCH. GIVEN A HDG AND DIRECTED TO SLOW TO 170 KIAS. WHILE SLOWING, ENCOUNTERED HVY RAIN. WHILE RECONFIGURING NAVAIDS AND APCH CHARTS FOR NEW APCH, DEVIATED APPROX 700 FT LOW. IMMEDIATELY CORRECTED BACK TO ASSIGNED ALT. DUE TO INSUFFICIENT TIME TO PREPARE FOR APCH, CREW REQUESTED TO BE RESEQUENCED. APCH CTL VECTORED ACFT FOR APCH AND APCH AND LNDG COMPLETED SAFELY. NO TFC OR TERRAIN ALERTS ISSUED OR OBSERVED. CAUSES: RAPIDLY CHANGING WX RESULTING IN AN UNEXPECTED RWY CHANGE. CREW COORD.

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.