User's Guide

User Guide for the Envoy Data Link
Document Number: UG-15000 Rev. A Page 91 of 173
6.1.1 OOOI Event States, Triggers, Messages
OOOI (Out / Off / On / In) events provide a basic indication of the phase of a flight. The event
triggers are configurable and established by the airline to provide information to an operational
center as one or more downlink messages.
Event
Triggered when all of these descriptions are true
INIT
Initialize - Envoy state at power-up, only used to determine current OOOI state.
Out
1. Brakes are OFF
2. All doors are CLOSED
3. OOOI STATE is OUT
4. These conditions have existed for 5 consecutive seconds.
Off
1. No weight on wheels
2. OOOI STATE is OFF
3. These conditions have existed for 5 consecutive seconds.
On
1. There is weight on wheels
2. OOOI STATE is ON
3. These conditions have existed for 5 consecutive seconds.
In
1. Brakes are ON
2. One or more doors is open
3. OOOI STATE is IN
4. These conditions have existed for 5 consecutive seconds.
Reset
1. The flight complete timer (10 minutes) expires.
2. OOOI STATE is IN.
This erases the OOOI data; any reports should be sent within 10 minutes of IN event.
For OOOI downlink message text formats (ARINC 620 compliant), see E.1.1 OOOI Downlink
Message Labels in Appendix E.