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Part 135 Part 135 commercial operators

Oxygen Requirements

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Old 06-13-2021, 03:32 AM
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Default Oxygen Requirements

Quick question, I know the Pilot oxygen requirements have for part 135 have traditionally been the standard FL250 Pilot out of the seat and FL350 one Pilot on oxygen. I read an article that the FAA has amended the requirement to FL410 for part 121 operations, but could not find it addressed to part 135? I tried a search on the APC part 135 thread to no avail.

Anyone have any info/help on this?

thanks!
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Old 06-13-2021, 04:18 AM
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Hasn’t changed for 135 as far as I have researched.
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Old 06-13-2021, 04:20 AM
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Just looked it up and I didn't see any change to 135.89. Still looks like the same FL250/350 rules.
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Old 06-13-2021, 04:54 PM
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https://www.federalregister.gov/docu...turbine-engine

Due to Covid issues and the wearing of masks above FL250, the FAA amended the regulation (14 CFR 121.333) to stipulate that one crew member does NOT need to wear a mask, if the mask available is a quick donning type, up to FL410 for aircraft having a seating capacity of 31 or more (or a payload of more than 7,500 lbs), or FL350 for aircraft with 30 passenger seats or less, or less than 7,500 lbs payload.

If one crew member leaves the cockpit, the other does not need to wear the mask, below FL410.

This applies to Part 121, found in 121.333:

https://www.ecfr.gov/cgi-bin/text-id..._1333&rgn=div8
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Old 06-14-2021, 02:09 AM
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Originally Posted by JohnBurke View Post
https://www.federalregister.gov/docu...turbine-engine

Due to Covid issues and the wearing of masks above FL250, the FAA amended the regulation (14 CFR 121.333) to stipulate that one crew member does NOT need to wear a mask, if the mask available is a quick donning type, up to FL410 for aircraft having a seating capacity of 31 or more (or a payload of more than 7,500 lbs), or FL350 for aircraft with 30 passenger seats or less, or less than 7,500 lbs payload.

If one crew member leaves the cockpit, the other does not need to wear the mask, below FL410.

This applies to Part 121, found in 121.333:

https://www.ecfr.gov/cgi-bin/text-id..._1333&rgn=div8
Except that’s part 121 not 135 flying like op asked.
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Old 06-14-2021, 02:15 AM
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Originally Posted by tothebigblue View Post
Except that’s part 121 not 135 flying like op asked.
I know exactly what it is, because I posted it, and stated as such. READ.

The original poster stated that he'd read an article about the change. I provided the information.

The FAA also changed the requirement to don a mask during training in a Part 142 environment, though that may not interest you much either.

The FAA does not do well at practicing one standard of safety.
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Old 06-14-2021, 07:01 AM
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Originally Posted by JohnBurke View Post
I know exactly what it is, because I posted it, and stated as such. READ.

The original poster stated that he'd read an article about the change. I provided the information.

The FAA also changed the requirement to don a mask during training in a Part 142 environment, though that may not interest you much either.

The FAA does not do well at practicing one standard of safety.
I did read it, no where does it mention part 135 Ops.
Not getting argumentative, there’s just no info unless I missed something…
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Old 06-18-2021, 06:10 AM
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It isn't 135 operations. That's the point. There's ample information, if one reads, and comprehends.
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Old 06-18-2021, 04:54 PM
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So let’s say you’re part 135 flying from Miami to Seattle at FL430. Do you guys take turns?? That’s a long time to huff oxygen!! Or flying a Global from Moscow to Dallas.. 😯
also.. I guess O2 service is standard at nearly every stop off!
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Old 06-18-2021, 05:29 PM
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Originally Posted by MysteriousMrX View Post
So let’s say you’re part 135 flying from Miami to Seattle at FL430. Do you guys take turns?? That’s a long time to huff oxygen!! Or flying a Global from Moscow to Dallas.. 😯
also.. I guess O2 service is standard at nearly every stop off!
Everyone follows the regs exactly as stated in the FARs. No one ever deviates or does anything counter to the FARs.
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