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Lear 24 descends below cleared altitude after engine flameout in ZID airspace.
| Attributes | |
| ACN | 414746 |
| Time | |
| Date | 199809 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : det |
| State Reference | MI |
| Altitude | msl bound lower : 40500 msl bound upper : 41000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid |
| Operator | general aviation : corporate |
| Make Model Name | Learjet 24 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 125 flight time total : 1500 flight time type : 300 |
| ASRS Report | 414746 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
On a flight from yip to rwi, as PF, the captain was beginning to level off from a climb to approximately FL410. In doing so, our aircraft (lear 24) experienced an engine flameout. When asked for a descent to FL280 for a relight, there was some confusion. ZID was unable to understand my request and asked if we had an emergency to which we said 'no.' he asked if we had a problem to which I said 'no, that we just needed a descent in order to relight.' he was still unable to understand and asked again for a reason for the descent. My captain took over the radios and with some frustration said we needed to descend for a pressurization problem. The descent was then given to us. Among the confusion it is possible that we may have inadvertently gone below the allowable 300 ft of altitude loss. In addition to having radio problems for a time, he also said we were having transponder problems, of which both were resolved. It is my understanding, that when I asked for the descent, and gave the whole reason why (the flameout) I could not be understood. It is also my understanding that my captain gave a truthful but incomplete reason for the descent needed. No traffic was compromised or altered. I'm sorry this communication was not clrer. In the future, I intend to describe the situation wholly and see to it that everyone understands, especially if another flameout occurs.
Original NASA ASRS Text
Title: LEAR 24 DSNDS BELOW CLRED ALT AFTER ENG FLAMEOUT IN ZID AIRSPACE.
Narrative: ON A FLT FROM YIP TO RWI, AS PF, THE CAPT WAS BEGINNING TO LEVEL OFF FROM A CLB TO APPROX FL410. IN DOING SO, OUR ACFT (LEAR 24) EXPERIENCED AN ENG FLAMEOUT. WHEN ASKED FOR A DSCNT TO FL280 FOR A RELIGHT, THERE WAS SOME CONFUSION. ZID WAS UNABLE TO UNDERSTAND MY REQUEST AND ASKED IF WE HAD AN EMER TO WHICH WE SAID 'NO.' HE ASKED IF WE HAD A PROB TO WHICH I SAID 'NO, THAT WE JUST NEEDED A DSCNT IN ORDER TO RELIGHT.' HE WAS STILL UNABLE TO UNDERSTAND AND ASKED AGAIN FOR A REASON FOR THE DSCNT. MY CAPT TOOK OVER THE RADIOS AND WITH SOME FRUSTRATION SAID WE NEEDED TO DSND FOR A PRESSURIZATION PROB. THE DSCNT WAS THEN GIVEN TO US. AMONG THE CONFUSION IT IS POSSIBLE THAT WE MAY HAVE INADVERTENTLY GONE BELOW THE ALLOWABLE 300 FT OF ALT LOSS. IN ADDITION TO HAVING RADIO PROBS FOR A TIME, HE ALSO SAID WE WERE HAVING XPONDER PROBS, OF WHICH BOTH WERE RESOLVED. IT IS MY UNDERSTANDING, THAT WHEN I ASKED FOR THE DSCNT, AND GAVE THE WHOLE REASON WHY (THE FLAMEOUT) I COULD NOT BE UNDERSTOOD. IT IS ALSO MY UNDERSTANDING THAT MY CAPT GAVE A TRUTHFUL BUT INCOMPLETE REASON FOR THE DSCNT NEEDED. NO TFC WAS COMPROMISED OR ALTERED. I'M SORRY THIS COM WAS NOT CLRER. IN THE FUTURE, I INTEND TO DESCRIBE THE SIT WHOLLY AND SEE TO IT THAT EVERYONE UNDERSTANDS, ESPECIALLY IF ANOTHER FLAMEOUT OCCURS.
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.