LZ definitions

LZ

Landing Zone
Found on http://en.wikipedia.org/wiki/List_of_U.S._government_and_military_acronyms

---

LZ

abbreviation: landing zone
Found on http://www.encyclo.co.uk/local/20021

---

LZ

Landing Zone, a clearing designated as the place where a helicopter (or other VTOL aircraft) can land.
Found on http://www.translationdirectory.com/glossaries/glossary119.htm

---

LZ

landing zone.  
Found on https://www.infoplease.com/dictionary/lz

---