BI

A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z

Definitions

1. Birmingham UK. (HCO PL 2 Mar 59, HCO Cable and Dispatch Designation System)

2. Board of Issues. (BPL 23 Dec 66R)

3. bye = goodbye. (BPL 5 Nov 72RA-1)

4. the Saint Hill Special Briefing Course student in a Unit is designated for the classes being studied for, as BI = Class I Unit B. (HCO PL 14 Oct 65, Course Pattern)