A Few General Questions About the HUDs

Q: What is OAT ?

A: Outside Air Temperature

Q: What is the N1 Percentage of your engines?

A: LMGTFY - Let Me Google That For You

Q: On the bottom, in the half circle that shows your heading, does that * moving line inside* represent how centered you are on a GPS or ILS Approach?

A: Yes

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  1. Dunno.
  2. I don’t know again but always keep it below 100% unless emergencies
  3. Yes

OAT is outside air temperature.
It represents whatever you are on…so either GPS or ILS


Just remember, Google can answer you everything. I’ve googled N1 for you:

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Thank you @Freddiefrogs and @Thomas_Galvin! :)

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