Volume 1 of 2
MIL-HDBK-162A
APPENDIX A
15 December 1965
NAVY MODEL LETTER SYSTEM (cont'd)
Model Letter
Model Subseries
Type Equipment
Remarks
Series
X -----------
------------------
Experimental (Navy Designed).
Y -----------
------------------
Navigation and Landing Equipment:
(Other than Direction Finders).
(Beacons).
Z -----------
------------------
Airborne Navigation and Landing. -------
Classification can-
celed - Reassigned
"AY" Series.
1A-16