<< >> NASA ASRS Report 617512, May 2004

Flight crew of B767 receive questionable traffic control service from vabb approach. Unstable approach, stick shaker and a go around result.

Attributes
ACN	617512
Time
Date	200405
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : vabb.airport
State Reference	FO
Altitude	msl bound lower : 4000 msl bound upper : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : vabb.tracon tower : dfw.tower
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	approach : instrument precision arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 6000
ASRS Report	617512
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	altitude deviation : overshoot non adherence : company policies other anomaly other anomaly other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : eicas, stick shacker other flight crewa
Resolutory Action	controller : issued new clearance flight crew : overrode automation flight crew : executed go around
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Airport
Primary Problem	ATC Human Performance

Narrative:

Mumbai approach ignored several of my requests for lower altitude. Finally, they slammed dunked us from 8000 ft to 4000 ft while we were downwind to base. We were about to cross the localizer when the tower gave us a turn to reintercept. That was at the same time that we were to level off at 4000 ft. Speed brake was deployed, power at idle. Captain lost situational awareness and descended 400 ft below assigned altitude. While trying to make the turn to intercept localizer, he banked 45 degrees! The rest was very scary. 1) 'bank angle' was screaming, 2) stick shaker went off, 3) I stowed the speed brake while adding power. He finally rolled out of turn and leveled off. Had to get vectored back for the approach. Controller never apologized.

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Original NASA ASRS Text

Title: FLT CREW OF B767 RECEIVE QUESTIONABLE TFC CTL SVC FROM VABB APCH. UNSTABLE APCH, STICK SHAKER AND A GAR RESULT.

Narrative: MUMBAI APCH IGNORED SEVERAL OF MY REQUESTS FOR LOWER ALT. FINALLY, THEY SLAMMED DUNKED US FROM 8000 FT TO 4000 FT WHILE WE WERE DOWNWIND TO BASE. WE WERE ABOUT TO CROSS THE LOC WHEN THE TWR GAVE US A TURN TO REINTERCEPT. THAT WAS AT THE SAME TIME THAT WE WERE TO LEVEL OFF AT 4000 FT. SPD BRAKE WAS DEPLOYED, PWR AT IDLE. CAPT LOST SITUATIONAL AWARENESS AND DSNDED 400 FT BELOW ASSIGNED ALT. WHILE TRYING TO MAKE THE TURN TO INTERCEPT LOC, HE BANKED 45 DEGS! THE REST WAS VERY SCARY. 1) 'BANK ANGLE' WAS SCREAMING, 2) STICK SHAKER WENT OFF, 3) I STOWED THE SPD BRAKE WHILE ADDING PWR. HE FINALLY ROLLED OUT OF TURN AND LEVELED OFF. HAD TO GET VECTORED BACK FOR THE APCH. CTLR NEVER APOLOGIZED.

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.