A300-600 experiences loss of both pressure controllers. Declares emergency; descends and diverts.

Attributes
ACN	784383
Time
Date	200804
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 31000
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	784383762
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	784384
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency flight crew : exited adverse environment
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Lost both automatic cabin pressure regulators; emergency procedures accomplished; emergency declared; contacted dispatch; proceeded to diversion airport as instructed.

Original NASA ASRS Text

Title: A300-600 EXPERIENCES LOSS OF BOTH PRESSURE CTLRS. DECLARES EMERGENCY; DESCENDS AND DIVERTS.

Narrative: LOST BOTH AUTOMATIC CABIN PRESSURE REGULATORS; EMER PROCS ACCOMPLISHED; EMER DECLARED; CONTACTED DISPATCH; PROCEEDED TO DIVERSION ARPT AS INSTRUCTED.

Data retrieved from NASA's ASRS site as of May 2009 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.