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After observing a heavy concentration of thunderstorms on their route of flight, and ATC refused request to deviate around them, the captain exercised command emergency authority/authorized and deviated around them in the interest of safety.
| Attributes | |
| ACN | 384621 |
| Time | |
| Date | 199710 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : pie |
| State Reference | FL |
| Altitude | msl bound lower : 28000 msl bound upper : 28000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zjx |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 15000 flight time type : 3000 |
| ASRS Report | 384621 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 8000 |
| ASRS Report | 384392 |
| Events | |
| Anomaly | inflight encounter : weather non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action flight crew : returned to intended course or assigned course flight crew : declared emergency |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
Narrative:
While cruising at FL280 captain requested a left deviation to avoid a severe line of thunderstorms. Jacksonville ATC refused clearance and advised flight to turn right and remain on airway through WX. The WX from our position on the radar indicated a solid red contouring line of thunderstorms. Captain exercised emergency authority/authorized in the interest of safety of the aircraft and passenger. Made a left turn and avoided the severe line of WX.
Original NASA ASRS Text
Title: AFTER OBSERVING A HVY CONCENTRATION OF TSTMS ON THEIR RTE OF FLT, AND ATC REFUSED REQUEST TO DEVIATE AROUND THEM, THE CAPT EXERCISED COMMAND EMER AUTH AND DEVIATED AROUND THEM IN THE INTEREST OF SAFETY.
Narrative: WHILE CRUISING AT FL280 CAPT REQUESTED A L DEV TO AVOID A SEVERE LINE OF TSTMS. JACKSONVILLE ATC REFUSED CLRNC AND ADVISED FLT TO TURN R AND REMAIN ON AIRWAY THROUGH WX. THE WX FROM OUR POS ON THE RADAR INDICATED A SOLID RED CONTOURING LINE OF TSTMS. CAPT EXERCISED EMER AUTH IN THE INTEREST OF SAFETY OF THE ACFT AND PAX. MADE A L TURN AND AVOIDED THE SEVERE LINE OF WX.
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.