TY  - BOOK
ED  - United States.
TI  - Air traffic control certification procedures
PY  - 1970///]
CY  - [Washington, D.C.
KW  - Air traffic control
KW  - United States
N1  - Handbook; [July 30, 1970]; Cover title; 4to; [Issued with perforations. Cancels AT P 7220.6A, Certification and rating]; Distribution made by issuing office; CRDP Program Historic Shelflist record
ER  -