Narrative:

Exercised emergency authority/authorized for WX avoidance. Heavy thunderstorm activity on R-465 northeast of cluts intersection. Had 20 mi deviation clearance from ATC, but needed an additional 15 mi. Unable to communication with hnl radio on HF due to electrical disturbance from thunderstorm. Exercised emergency authority/authorized to deviate as necessary. Advised other aircraft of intentions on 121.5. Returned to airway at cheak intersection communication established on 4F. ATC and company dispatch advised of actions taken. Atl advised no action required by other aircraft.

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Original NASA ASRS Text

Title: USE OF EMER AUTH WHILE DEVIATING AROUND TSTM ACTIVITY AND UNABLE TO ESTABLISH RADIO CONTACT WITH ARTCC. ARINC.

Narrative: EXERCISED EMER AUTH FOR WX AVOIDANCE. HVY TSTM ACTIVITY ON R-465 NE OF CLUTS INTXN. HAD 20 MI DEV CLRNC FROM ATC, BUT NEEDED AN ADDITIONAL 15 MI. UNABLE TO COM WITH HNL RADIO ON HF DUE TO ELECTRICAL DISTURBANCE FROM TSTM. EXERCISED EMER AUTH TO DEVIATE AS NECESSARY. ADVISED OTHER ACFT OF INTENTIONS ON 121.5. RETURNED TO AIRWAY AT CHEAK INTXN COM ESTABLISHED ON 4F. ATC AND COMPANY DISPATCH ADVISED OF ACTIONS TAKEN. ATL ADVISED NO ACTION REQUIRED BY OTHER ACFT.

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.