Maintenance Manual Including Repair Parts and Special Tools Lists ALTIMETER SET, ELECTRONIC AN/APN-209(v)1 (NSN 5841-01-020-2281) AND AN/APN–209(V)2 (NSN The next-generation APN-209 Radar Altimeter meets these customer requirements. THE HONEYWELL NEXT GENERATION APN-209 CAN PROVIDE. Track Rate. 2000 ft/sec. Zero Scope This manual provides operator's, organizational, and direct support maintenance instructions for the components of the Altimeter Set, Electronic AN/APN– AN/APN 209(V) Altimeter System The AN/APN-209(V) is the standard for all U.S. Army Rotary Wing aircraft N61-0506-000-000 May 2006 © 2006 Honeywell Brief Description: The AN/APN-209( )(V) is an absolute (radar) altimeter which provides an accurate indication of the altitude of an aircraft over all types. Electronic Altimeter Set AN / APN - 171 Radar Altimeter AN / APN209 TM 11-1510-204-20-1 Operator / Organizational Maint Manual Radar Set AN / APMradar) altimeter which provides an. AS-2595/APN-194(V). (Antenna (2 ea). accurate indication. e altitude of the aircraft over all. RT-1115A/APN-209(V)