<< >> NASA ASRS Report 407770, July 1998

A descending fokker 100 gets an amended altitude when mex approach controller gets updated departure traffic from pbc that might conflict with flight inbound to pbc. Reporter complains of poor coordination between the two facilities.

Attributes
ACN	407770
Time
Date	199807
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : apn airport : pbc
State Reference	FO
Altitude	msl bound lower : 13000 msl bound upper : 15000
Environment
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : mex tracon : pbc
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent other other
Route In Use	arrival other enroute : direct
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Route In Use	departure other enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	407770
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : published procedure other anomaly other
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Inter Facility Coordination Failure
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

Location: apn. Mex approach cleared us from 16000 ft to 13000 ft after crossing apn VOR. Then after crossing apn and descending through 14000 ft, they called to ask our altitude and after responding, we were told to climb and maintain 16000 ft for traffic departing pbc. At that time we requested 15000 ft, which they gave us, then handed us off to pbc approach. Nothing more was said by ATC except to hold over pbc at 13000 ft until traffic had cleared area. It appears to me that there is a communication problem or delay between pbc and mex approach.

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Original NASA ASRS Text

Title: A DSNDING FOKKER 100 GETS AN AMENDED ALT WHEN MEX APCH CTLR GETS UPDATED DEP TFC FROM PBC THAT MIGHT CONFLICT WITH FLT INBOUND TO PBC. RPTR COMPLAINS OF POOR COORD BTWN THE TWO FACILITIES.

Narrative: LOCATION: APN. MEX APCH CLRED US FROM 16000 FT TO 13000 FT AFTER XING APN VOR. THEN AFTER XING APN AND DSNDING THROUGH 14000 FT, THEY CALLED TO ASK OUR ALT AND AFTER RESPONDING, WE WERE TOLD TO CLB AND MAINTAIN 16000 FT FOR TFC DEPARTING PBC. AT THAT TIME WE REQUESTED 15000 FT, WHICH THEY GAVE US, THEN HANDED US OFF TO PBC APCH. NOTHING MORE WAS SAID BY ATC EXCEPT TO HOLD OVER PBC AT 13000 FT UNTIL TFC HAD CLRED AREA. IT APPEARS TO ME THAT THERE IS A COM PROB OR DELAY BTWN PBC AND MEX APCH.

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.