TY  - BOOK
ED  - United States.
TI  - Airworthiness approval of omega/VLF navigation, etc
PY  - 1988///]
CY  - [Washington, D.C.
KW  - Electronics in navigation
KW  - Certification
KW  - United States
N1  - Advisory circular 20-101C; 9/12/88; CRDP Program Historic Shelflist record
ER  -