Origins of The Supercooled Cloud Database 0 ▲ Blast from the Past: NACA Icing Publications 2 hours ago · Tech · hide · 0 comments "Thanks are also due ... for their patience and support on this long project." 1 Public Domain image from DOT/FAA/AR-07/4. Introduction There are 28000 nmi of measured natural icing flight test data in the database, with over 6000 individual measurements. Data from more than two dozen organizations for flights between 1946 and 1988 (42 years) were collected into the database. Dr. Richard Jeck of the FAA was the lead in assembling the database. Dr. Jeck used the term "Supercooled Cloud Database", so here we will abbreviate that to Database or SCDB. The database took at least 14 years to assemble. Early Motivations for the Database Nearly of the database (14,372 nmi out of 28,000) of the Database already existed before Dr. Jeck started: The inflight icing data from the NACA-era. That data was the basis of the current Appendix C icing environment definitions. See Conclusions of … No comments yet. Log in to reply on the Fediverse. Comments will appear here.