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An eclipse 500 captain reported multiple airspeed-related problems shortly after takeoff. He returned to land at his departure airport.
| Attributes | |
| ACN | 771609 |
| Time | |
| Date | 200801 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 200 |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air taxi |
| Make Model Name | Eclipse 500 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi pilot : multi engine |
| Experience | flight time last 90 days : 79 flight time total : 21000 flight time type : 14 |
| ASRS Report | 771609 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : landed in emergency condition other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Upon gear retraction; after takeoff; received full stall warning. Cas messages -- airspeed disagree -- stick pusher fail. Red airspeed digits on first officer pfd along with stall tape at 120 KTS. The decision was made to return for landing on the departure runway. Altitude and visibility was sufficient and tower was advised.callback conversation with reporter revealed the following information: reporter stated he has had this type of failure several times in the last few months in the EA50; and it has been traced to moisture in the static system. The problem normally arises when the aircraft is on the ramp during rainstorms; but can also occur when flown in rain. Reporter stated it can pose a complex and challenging scenario to the flight crew when they are confronted with a number of flags and warnings; including stall indications just after takeoff in IFR conditions. Reporter stated there is an a.D. Out on the static system that they have complied with ; but they continue to have problems with the moisture issue. The reporter believes the location of the static ports above the midline of the fuselage contributes to the problem.
Original NASA ASRS Text
Title: AN ECLIPSE 500 CAPT RPTED MULTIPLE AIRSPEED-RELATED PROBLEMS SHORTLY AFTER TAKEOFF. HE RETURNED TO LAND AT HIS DEP ARPT.
Narrative: UPON GEAR RETRACTION; AFTER TAKEOFF; RECEIVED FULL STALL WARNING. CAS MESSAGES -- AIRSPD DISAGREE -- STICK PUSHER FAIL. RED AIRSPD DIGITS ON FO PFD ALONG WITH STALL TAPE AT 120 KTS. THE DECISION WAS MADE TO RETURN FOR LNDG ON THE DEP RWY. ALT AND VIS WAS SUFFICIENT AND TWR WAS ADVISED.CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED HE HAS HAD THIS TYPE OF FAILURE SEVERAL TIMES IN THE LAST FEW MONTHS IN THE EA50; AND IT HAS BEEN TRACED TO MOISTURE IN THE STATIC SYSTEM. THE PROBLEM NORMALLY ARISES WHEN THE ACFT IS ON THE RAMP DURING RAINSTORMS; BUT CAN ALSO OCCUR WHEN FLOWN IN RAIN. RPTR STATED IT CAN POSE A COMPLEX AND CHALLENGING SCENARIO TO THE FLT CREW WHEN THEY ARE CONFRONTED WITH A NUMBER OF FLAGS AND WARNINGS; INCLUDING STALL INDICATIONS JUST AFTER TAKEOFF IN IFR CONDITIONS. RPTR STATED THERE IS AN A.D. OUT ON THE STATIC SYSTEM THAT THEY HAVE COMPLIED WITH ; BUT THEY CONTINUE TO HAVE PROBLEMS WITH THE MOISTURE ISSUE. THE RPTR BELIEVES THE LOCATION OF THE STATIC PORTS ABOVE THE MIDLINE OF THE FUSELAGE CONTRIBUTES TO THE PROBLEM.
Data retrieved from NASA's ASRS site as of May 2009 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.