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SR20 pilot receiving instruction reported returning to departure airport after experiencing engine roughness.
| Attributes | |
| ACN | 1550048 |
| Time | |
| Date | 201806 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | SR20 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | None |
| Component | |
| Aircraft Component | Engine |
| Person 1 | |
| Function | Pilot Flying Trainee |
| Qualification | Flight Crew Commercial |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
When climbing out; all engine indications were normal. Upon reaching our first assigned altitude of 2;000 feet; flight crew noticed [an abnormal] sound followed by very rough vibrations/roughness when power was set to cruise. The instructor kept monitoring the systems and told [me] to keep flying [the] assigned heading. ATC then told us to climb to 4;000 feet; as we climbed vibrations were reduced but worsened as we leveled off. Instructor then noticed that the oil pressure was not stable; fluctuating around 5-11 psi. Ip (instructor pilot) thought it might be the governor and told ATC we [want to] return. ATC asked of the issue. The vibrations worsened; ip stayed at 4;000 feet until we were positioned close enough to glide to [the airport] worst case. When initiating a shallow descent vibrations worsened all throughout approach to landing.
Original NASA ASRS Text
Title: SR20 pilot receiving instruction reported returning to departure airport after experiencing engine roughness.
Narrative: When climbing out; all engine indications were normal. Upon reaching our first assigned altitude of 2;000 feet; flight crew noticed [an abnormal] sound followed by very rough vibrations/roughness when power was set to cruise. The Instructor kept monitoring the systems and told [me] to keep flying [the] assigned heading. ATC then told us to climb to 4;000 feet; as we climbed vibrations were reduced but worsened as we leveled off. Instructor then noticed that the oil pressure was not stable; fluctuating around 5-11 PSI. IP (Instructor Pilot) thought it might be the governor and told ATC we [want to] return. ATC asked of the issue. The vibrations worsened; IP stayed at 4;000 feet until we were positioned close enough to glide to [the airport] worst case. When initiating a shallow descent vibrations worsened all throughout approach to landing.
Data retrieved from NASA's ASRS site 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.