Piper Navajo Chieftain
Inland Empire Airlines Piper PA-31-350 Navajo Chieftain, N27687, is shown at Los Angeles International Airport in December 1980.

Los Angeles-based Inland Empire Airlines began operations on May 1, 1977.  The airline was purchased by Air Chaparral in November 1981 and operations were ceased on September 16, 1983.