ERJ175 first officer reported being off course after their departure information disappeared from th...

Attributes
ACN	1514378
Time
Date	201801
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	Marginal
Light	Night
Aircraft 1
Make Model Name	EMB ERJ 170/175 ER/LR
Operating Under FAR Part	Part 121
Flight Phase	Initial Climb
Route In Use	SID SUMMA
Flight Plan	IFR
Component
Aircraft Component	Flight Director
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types

Narrative:

Loaded the departure into the FMS during preflight and it was checked by the captain and I. After takeoff it wanted us to depart left of intended course. We followed the magenta briefly until ATC had us move back to the right. Glitch in the software. Update software.

Original NASA ASRS Text

Title: ERJ175 First Officer reported being off course after their departure information disappeared from the FMC.

Narrative: Loaded the departure into the FMS during preflight and it was checked by the Captain and I. After takeoff it wanted us to depart left of intended course. We followed the magenta briefly until ATC had us move back to the right. Glitch in the software. Update software.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

ERJ175 first officer reported being off course after their departure information disappeared from the FMC.