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Large transport air carrier jet flight crew advise deviation due to WX and are assigned code 7700 by ZAB for expected A-231 MOA penetration. Returned to original departure code exiting MOA.
| Attributes | |
| ACN | 589555 |
| Time | |
| Date | 200307 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | intersection : karlo |
| State Reference | AZ |
| Altitude | msl single value : 20000 |
| Environment | |
| Weather Elements | Thunderstorm |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zab.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : chily |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time total : 11500 |
| ASRS Report | 589555 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | airspace violation : entry inflight encounter : weather other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : exited penetrated airspace flight crew : took precautionary avoidance action other |
| Supplementary | |
| Problem Areas | Weather |
| Primary Problem | Weather |
| Air Traffic Incident | Inter Facility Coordination Failure |
Narrative:
We needed about 40-50 degrees left off course, turn to avoid strong cumulus buildups in a solid ew line. High degree of frequency congestion with many acrs deviating for WX. Abq had us squawk 7700 as we would penetrate a MOA north of luke AFB. We were not, nor did we declare an emergency. After verification, we squawked 7700 for 5-10 mins until clear of WX and rejoined SID. Returned to normal IFR code.
Original NASA ASRS Text
Title: LGT ACR JET FLT CREW ADVISE DEV DUE TO WX AND ARE ASSIGNED CODE 7700 BY ZAB FOR EXPECTED A-231 MOA PENETRATION. RETURNED TO ORIGINAL DEP CODE EXITING MOA.
Narrative: WE NEEDED ABOUT 40-50 DEGS L OFF COURSE, TURN TO AVOID STRONG CUMULUS BUILDUPS IN A SOLID EW LINE. HIGH DEGREE OF FREQ CONGESTION WITH MANY ACRS DEVIATING FOR WX. ABQ HAD US SQUAWK 7700 AS WE WOULD PENETRATE A MOA N OF LUKE AFB. WE WERE NOT, NOR DID WE DECLARE AN EMER. AFTER VERIFICATION, WE SQUAWKED 7700 FOR 5-10 MINS UNTIL CLR OF WX AND REJOINED SID. RETURNED TO NORMAL IFR CODE.
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.