AFT CERTIFICATION SERVICE LOSJANGELES AIRCRAFT CERTIFICATION OFFIC ; (,. (3229 EAST SPRING STREET / LONG BEACH, CALIFORNIA 90806-242S VAR CI 144 Honeywell inc. Air Transport Systems Division ATTN: Mr. F. W. (Bill) Lynch 21111 North 19th Avenue Phoenix, Arizona 85027 References: a) Honeywell letter, dat