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AA5 pilot reported misinterpreting his altimeter; resulting in a deviation from his assigned altitude.
| Attributes | |
| ACN | 1685264 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Cheetah Tiger Traveler AA5 Series |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying |
| Qualification | Flight Crew Instrument Flight Crew Private |
| Experience | Flight Crew Last 90 Days 20 Flight Crew Total 1000 Flight Crew Type 940 |
| Events | |
| Anomaly | Deviation - Altitude Overshoot Deviation - Procedural Published Material / Policy Deviation - Procedural FAR |
Narrative:
I was practicing a partial panel approach and used my backup steam gauges instead of the primary glass display. It has been awhile since I used my backup instruments. I misread the altimeter by 1;000 ft. And got lower than intended. My safety pilot did not call out the issue until I dropped to around 500 ft. I've only switched to a glass display 2 years ago. The lesson I learned here is that remaining competent on older backup instruments is a skill that needs to be exercised regularly.
Original NASA ASRS Text
Title: AA5 pilot reported misinterpreting his altimeter; resulting in a deviation from his assigned altitude.
Narrative: I was practicing a partial panel approach and used my backup steam gauges instead of the primary glass display. It has been awhile since I used my backup instruments. I misread the altimeter by 1;000 ft. and got lower than intended. My safety pilot did not call out the issue until I dropped to around 500 ft. I've only switched to a glass display 2 years ago. The lesson I learned here is that remaining competent on older backup instruments is a skill that needs to be exercised regularly.
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.