<< >> NASA ASRS Report 458147, December 1999

En route from mtpp to mia, crew in B757 at FL240 while on mtpp center frequency, called ZMA ARTCC and requested and were approved FL280.

Attributes
ACN	458147
Time
Date	199912
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	intersection : joses
State Reference	FO
Altitude	msl bound lower : 24000 msl bound upper : 28000
Environment
Light	Night
Aircraft 1
Controlling Facilities	artcc : zma.artcc tower : sjc.tower
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : enroute altitude change
Route In Use	enroute : atlantic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	458147
Person 2
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance flight crew : returned to assigned altitude none taken : anomaly accepted
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

XA33Z, altitude FL240. ATC facility: pap. Location: 40 mi southeast of joses. En route, upon reporting in to mia, 10 mins prior to joses, requested a higher altitude with mia with pap concurrence. Mia approved FL280' with mteg approval. I went back to mteg and they approved climb and frequency change to mia. First officer initiated climb. I checked back in with mia informing them of our position and climb. The controller responded, ' with maintain FL240 until joses then climb to FL280. We went back down to FL240. The controller stated there was no traffic hence no conflict. I have flown from mia through mteg airspace for many yrs. Because of difficult communication between ZMA and mteg ATC, crews often coordinate altitude and route changes between ZMA and mteg. This is my first case of any problem. I do not believe we violated any rule or regulation.

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Original NASA ASRS Text

Title: ENRTE FROM MTPP TO MIA, CREW IN B757 AT FL240 WHILE ON MTPP CTR FREQ, CALLED ZMA ARTCC AND REQUESTED AND WERE APPROVED FL280.

Narrative: XA33Z, ALT FL240. ATC FACILITY: PAP. LOCATION: 40 MI SE OF JOSES. ENRTE, UPON RPTING IN TO MIA, 10 MINS PRIOR TO JOSES, REQUESTED A HIGHER ALT WITH MIA WITH PAP CONCURRENCE. MIA APPROVED FL280' WITH MTEG APPROVAL. I WENT BACK TO MTEG AND THEY APPROVED CLB AND FREQ CHANGE TO MIA. FO INITIATED CLB. I CHKED BACK IN WITH MIA INFORMING THEM OF OUR POS AND CLB. THE CTLR RESPONDED, ' WITH MAINTAIN FL240 UNTIL JOSES THEN CLB TO FL280. WE WENT BACK DOWN TO FL240. THE CTLR STATED THERE WAS NO TFC HENCE NO CONFLICT. I HAVE FLOWN FROM MIA THROUGH MTEG AIRSPACE FOR MANY YRS. BECAUSE OF DIFFICULT COM BTWN ZMA AND MTEG ATC, CREWS OFTEN COORDINATE ALT AND RTE CHANGES BTWN ZMA AND MTEG. THIS IS MY FIRST CASE OF ANY PROB. I DO NOT BELIEVE WE VIOLATED ANY RULE OR REG.

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.