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PA-27 pilot reported wrongly assuming that tower was closed; taxiing and taking off without clearance; and using CTAF procedures; all due to the volume knob on the com radio being in the off position.
| Attributes | |
| ACN | 1674688 |
| Time | |
| Date | 201908 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-23-250 Aztec |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Takeoff Taxi |
| Route In Use | Other Taxi - Take-off |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | VHF |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 31 Flight Crew Total 2050 Flight Crew Type 1018 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Airspace Violation All Types Deviation - Procedural FAR Deviation - Procedural Published Material / Policy Ground Incursion Runway Ground Incursion Taxiway |
Narrative:
Was unable to [reach] ground or tower. Assumed tower closed without confirming; departed using CTAF and procedures. Departed runway and pattern and when tuning to myrtle beach approach to activate flight plan I realized the volume knob had been knocked to off position. Activated flight plan and was advised to call tower upon landing. There are no excuses and I don't know why I jumped to a conclusion without confirming other than that on my last departure at that field the tower was closed and I departed using CTAF.
Original NASA ASRS Text
Title: PA-27 pilot reported wrongly assuming that Tower was closed; taxiing and taking off without clearance; and using CTAF procedures; all due to the volume knob on the com radio being in the off position.
Narrative: Was unable to [reach] Ground or Tower. Assumed Tower closed without confirming; departed using CTAF and procedures. Departed runway and pattern and when tuning to Myrtle Beach Approach to activate flight plan I realized the volume knob had been knocked to off position. Activated flight plan and was advised to call Tower upon landing. There are no excuses and I don't know why I jumped to a conclusion without confirming other than that on my last departure at that field the Tower was closed and I departed using CTAF.
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.