<< >> NASA ASRS Report 480959, July 2000

A large 2 engine transport on takeoff roll at 85 KTS is advised to abort the takeoff due to flow control.

Attributes
ACN	480959
Time
Date	200007
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : jfk.airport
State Reference	NY
Altitude	agl single value : 0
Environment
Light	Dusk
Aircraft 1
Controlling Facilities	tower : jfk.tower
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Route In Use	departure : other published ifr departure
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : commercial pilot : atp
Experience	flight time last 90 days : 150 flight time total : 20000 flight time type : 1500
ASRS Report	480959
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other other : person 3
Resolutory Action	flight crew : rejected takeoff
Consequence	faa : reviewed incident with flight crew other
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Environmental Factor
Primary Problem	ATC Human Performance

Narrative:

The flight was air carrier xyz from jfk to phx on jul/xa/00. The copilot was making the takeoff. We were cleared for takeoff by the tower and approximately 80-85 KTS given an ambiguous statement by the tower to stop the takeoff. Not exactly sure of their statement, I asked 'do you want us to stop our takeoff?' we aborted the takeoff and prior to clearing the runway, I asked the tower 'specifically, why were we told to abort the takeoff?' the reason given was 'flow over robbinsville VOR had been stopped.' we exited the runway, performed our checklists and informed our passenger and flight attendants, then called the tower and had them pull the tape. We also contacted air carrier via ACARS regarding the circumstance.

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Original NASA ASRS Text

Title: A LARGE 2 ENG TRANSPORT ON TKOF ROLL AT 85 KTS IS ADVISED TO ABORT THE TKOF DUE TO FLOW CTL.

Narrative: THE FLT WAS ACR XYZ FROM JFK TO PHX ON JUL/XA/00. THE COPLT WAS MAKING THE TKOF. WE WERE CLRED FOR TKOF BY THE TWR AND APPROX 80-85 KTS GIVEN AN AMBIGUOUS STATEMENT BY THE TWR TO STOP THE TKOF. NOT EXACTLY SURE OF THEIR STATEMENT, I ASKED 'DO YOU WANT US TO STOP OUR TKOF?' WE ABORTED THE TKOF AND PRIOR TO CLRING THE RWY, I ASKED THE TWR 'SPECIFICALLY, WHY WERE WE TOLD TO ABORT THE TKOF?' THE REASON GIVEN WAS 'FLOW OVER ROBBINSVILLE VOR HAD BEEN STOPPED.' WE EXITED THE RWY, PERFORMED OUR CHKLISTS AND INFORMED OUR PAX AND FLT ATTENDANTS, THEN CALLED THE TWR AND HAD THEM PULL THE TAPE. WE ALSO CONTACTED ACR VIA ACARS REGARDING THE CIRCUMSTANCE.

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.