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S80 descends to FL180 to escape the ravages of en route turbulence 135 mi northeast of orl, fl, on amber route 1. The crew then discovers that FL250 is the minimum altitude for the route as their navigation radios need FL250 for VOR reception and navigation capability. FL250 is requested and obtained.
| Attributes | |
| ACN | 391000 |
| Time | |
| Date | 199801 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : orl |
| State Reference | FL |
| Altitude | msl bound lower : 18000 msl bound upper : 25000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zma |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other descent other |
| Route In Use | enroute : atlantic enroute : other oceanic enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| ASRS Report | 391000 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 391001 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : overcame equipment problem other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
ATC facility: ZMA. Location: south of torry, north of hobee, west of AR1. Encountered moderate turbulence which only worsened after descent to FL260. Center cleared us to FL180 where we were in smooth air. We checked part 1 and realized our minimum altitude with minimum overwater route equipment was FL250. We climbed back to FL250.
Original NASA ASRS Text
Title: S80 DSNDS TO FL180 TO ESCAPE THE RAVAGES OF ENRTE TURB 135 MI NE OF ORL, FL, ON AMBER RTE 1. THE CREW THEN DISCOVERS THAT FL250 IS THE MINIMUM ALT FOR THE RTE AS THEIR NAV RADIOS NEED FL250 FOR VOR RECEPTION AND NAV CAPABILITY. FL250 IS REQUESTED AND OBTAINED.
Narrative: ATC FACILITY: ZMA. LOCATION: S OF TORRY, N OF HOBEE, W OF AR1. ENCOUNTERED MODERATE TURB WHICH ONLY WORSENED AFTER DSCNT TO FL260. CTR CLRED US TO FL180 WHERE WE WERE IN SMOOTH AIR. WE CHKED PART 1 AND REALIZED OUR MINIMUM ALT WITH MINIMUM OVERWATER RTE EQUIP WAS FL250. WE CLBED BACK TO FL250.
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.