Altitude deviation altitude excursion while in foreign airspace.

Attributes
ACN	305110
Time
Date	199505
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : sdg
State Reference	FO
Altitude	msl bound lower : 15000 msl bound upper : 17000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sdg tower : mdb
Operator	common carrier : air carrier
Make Model Name	DC-8 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	cruise other
Route In Use	enroute : atlantic enroute : other oceanic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : cfi pilot : instrument pilot : flight engineer pilot : commercial
Experience	flight time last 90 days : 20 flight time total : 12000 flight time type : 20
ASRS Report	305110
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : clearance non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Captain flying, decided to climb to 17000 ft without ATC permission. I requested 'higher' but was told maintain 15000 ft. Captain finally descended to 15000 ft. We broke out of clouds, saw aircraft go directly overhead at 17000 ft. I told my chief pilot of the incident.

Original NASA ASRS Text

Title: ALTDEV ALT EXCURSION WHILE IN FOREIGN AIRSPACE.

Narrative: CAPT FLYING, DECIDED TO CLB TO 17000 FT WITHOUT ATC PERMISSION. I REQUESTED 'HIGHER' BUT WAS TOLD MAINTAIN 15000 FT. CAPT FINALLY DSNDED TO 15000 FT. WE BROKE OUT OF CLOUDS, SAW ACFT GO DIRECTLY OVERHEAD AT 17000 FT. I TOLD MY CHIEF PLT OF THE INCIDENT.

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.