WX deviation under captain's emergency authority/authorized on R763.

Attributes
ACN	471080
Time
Date	200004
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	intersection : nance
Altitude	msl single value : 310
Environment
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zny.artcc
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Route In Use	enroute airway : r763.airway
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	471080
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	inflight encounter : weather non adherence : clearance other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : radar other flight crewa
Resolutory Action	flight crew : declared emergency other
Supplementary
Problem Areas	Weather
Primary Problem	Weather

Narrative:

Just north of nance position on R763, used captain's emergency authority/authorized to deviate approximately 25 mi west, just north of nance intersection on R763 to avoid extensive and solid southwest to northeast line of thunderstorms across R763 route. Notified new york comrdo of deviation via HF radio.

Original NASA ASRS Text

Title: WX DEV UNDER CAPT'S EMER AUTH ON R763.

Narrative: JUST N OF NANCE POS ON R763, USED CAPT'S EMER AUTH TO DEVIATE APPROX 25 MI W, JUST N OF NANCE INTXN ON R763 TO AVOID EXTENSIVE AND SOLID SW TO NE LINE OF TSTMS ACROSS R763 RTE. NOTIFIED NEW YORK COMRDO OF DEV VIA HF RADIO.

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.