Gen 1 Incident Recorder Design Parameters
•Design Features
-Records nine engine and aircraft parameters.
-Records basic engine and aircraft information for approximately the last 1 1/2 hours of engine operation.
-Begins recording when the start initiates.
-Stops recording after engine shutdown or 5 minutes after Weight on Wheels (WOW) is true (On ground).
•Data is collected in “Buckets” to indicate parameter range
-
-
-
i.e. The N1 speed was between 75 and 80% maximum speed. This allowed data to fit into available memory.
Medium to High Fidelity data.
•Data Resolution
-Data is collected at increasing intervals from the end of the data stream starting at one second intervals.
-This allowed for the most recent data to have the highest fidelity while maximizing the data stream available for download.
35 | File Number |
