Where is the phrase "certified for IFR use" defined or the requirement listed?

Jim


(Paul Lee)
shared these priceless pearls of wisdom:

Does the CDI have to be certified
-for IFR use



Jim Weir (A&P/IA, CFI, & other good alphabet soup)
VP Eng RST Pres. Cyberchapter EAA Tech. Counselor
http://www.rst-engr.com