What Are the Transponder Output Power Requirements Under FAR 43 Appendix F?

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What Are the Transponder Output Power Requirements Under FAR 43 Appendix F?

According to FAR 43 Appendix F, the transponder output power requirements are:

Class A Transponders: Minimum of +51.0 dBm (125 watts)

Class B Transponders: Minimum of +48.5 dBm (70 watts)

All Classes: Maximum of +57 dBm (500 watts)