Do I have 2 OAT probes? (photo)

by 912iSPower in General Tech Discussion one year ago

I know this isn't exactly Rotax related, but you guys on this forum have been very helpful and I thought someone might know. These 2 silver probes on the belly of my airplane look to me like OAT probes, but I can't figure out why I would have two spaced about 20 inches apart. Anyone know?

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Re: Do I have 2 OAT probes? (photo)

by Eric Page » one year ago

Eric Page

4 98 386

Does the aircraft have two AHRS, or two EFIS screens? The OAT input may be duplicated along with those other redundancies.

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Re: Do I have 2 OAT probes? (photo)

by 912iSPower » one year ago

912iSPower

30 87 246

Eric Page wrote:
Does the aircraft have two AHRS, or two EFIS screens? The OAT input may be duplicated along with those other redundancies.

I have both a PFD and MFD, but it would be news to me if I had redundant AHRS systems.

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Re: Do I have 2 OAT probes? (photo)

by Jason Fish » one year ago

Jason Fish

11 39 143

Trace the wires, where do they go?

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Re: Do I have 2 OAT probes? (photo)

by 912iSPower » one year ago

912iSPower

30 87 246

Jason Fish wrote:
Trace the wires, where do they go?

That’s highly impractical and would take hours of tearing the plane apart.

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Re: Do I have 2 OAT probes? (photo)

by Max Marin Wirth » one year ago

Max Marin Wirth

2 3 272

If you have a Garmin GTX 335 Mode S Transponder this second sensor could be for it to display static OAT.

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Do I have 2 OAT probes? (photo)

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