Narrative:

After completion of maintenance; flight check to determine if ELT would activate erroneously during flight. ZZZ tower operating under covid-19 with restricted staffing closed the tower at xa:00 and advised that airspace was reverting to class east.traditional squawk for pattern operations is XXXX without ATC approval. Very confusing as to use without tower operating. Did one circuit with squawk of XXXX and determined no ELT issues. After discussion determined that may have not followed proper guidelines that were established for covid-19 restricted operations by not contacting ATC for another squawk code after tower closure. Have reviewed and implemented process to assure compliance until normal tower operations resume.

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Original NASA ASRS Text

Title: Pilot reported the Tower closed due to COVID-19 staffing; and was not sure as to what they should be squawking.

Narrative: After completion of maintenance; flight check to determine if ELT would activate erroneously during flight. ZZZ Tower operating under COVID-19 with restricted staffing closed the Tower at XA:00 and advised that airspace was reverting to Class E.Traditional Squawk for pattern operations is XXXX without ATC approval. Very confusing as to use without tower operating. Did one circuit with Squawk of XXXX and determined no ELT issues. After discussion determined that may have not followed proper guidelines that were established for COVID-19 restricted operations by not contacting ATC for another squawk code after Tower closure. Have reviewed and implemented process to assure compliance until normal Tower operations resume.

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.