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RFClark
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Cliffy,
Currently the c-ckpit O2 supply and the masks that drop out of the ceiling are on different systems in Boeing AC. Originally O2 tanks were used for
the entire mask system. Later because of weight there was a switch to the same sort of hyper O2 cartridges used in Subs for emergencies. Those
cartridges are single use and can’t be started and stopped. The c-ckpit system is still tanked O2. The drop down masks may still be single use
cartridges. That system uses cartridges in zones or for each seat.
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Cliffy
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RF Yes no argument there - I used to fly all the types of Emergency O2 when I was working. Worked on all of them also when I was an airline mechanic.
I know the systems well from a mechanic point of view and as a pilot flying the airplane
I've had 3 pressurization losses in my career and never had a problem with any passenger under my care. Its really a non-event if handled properly.
You chose your position in life today by what YOU did yesterday
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RFClark
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OSG,
“ Passenger oxygen masks cannot deliver enough oxygen for sustained periods at high altitudes. This is why the flight crew needs to place the
aircraft in a controlled emergency descent to a lower altitude where it is possible to breathe without emergency oxygen. While the masks are being
used, passengers are not allowed to leave their seat for any reason until it is safe to breathe without the emergency oxygen”
Below is a current Passenger O2 delivery system - the “Canister” is a thermal O2 generator. It burns and gives off O2 for a few mins. Long enough
for the plane to make an emergency decent.
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Cliffy
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I had a very close personal friend killed by those
The Captain of the ValuJet into the swamp in Florida
You chose your position in life today by what YOU did yesterday
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RFClark
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The one that had a cargo of removed O2 generators? Sorry to hear that. Condolences!
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Cliffy
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Yes they shipped a large box of those generators in the fwd bag bin
They were supposed to discharge them before shipping and didn't
They popped on their own and heat (because they get real hot) plus O2 made a blow torch out of the airplane.
You chose your position in life today by what YOU did yesterday
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RFClark
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Getting back to the Boeing issue the FAA is the problem not the solution. They don’t have the budget or qualified staff to handle what’s on their
plate now.
They are partly responsible for the 737 MAX madness in the first place. No one should approve an AC that’s flown by a committee and then not have an
alternate pitot tube and static air source for the damned box that’s flying the plane. Either no pilots involved or no one listened to them.
That said notice that drones don’t need pitot tubes. Go figure!
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AKgringo
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An Alaska Airline response
This morning I received a six minute you tube video from Alaska Airlines about the 737 Max issue;
www.youtube.com/watch?v=BPUGOFS0Dpg
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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elgatoloco
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Flying to Belize Monday on a 737. Wish us luck. 
MAGA
Making Attorneys Get Attorneys
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RFClark
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elga,
Rows 24-30 are bad choices!
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elgatoloco
Ultra Nomad
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I feel better already.......4A & B 
MAGA
Making Attorneys Get Attorneys
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RFClark
Super Nomad
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👍
Free food and drinks too!
What’s not to like?
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Cliffy
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All 737s were not created equal ! :-)
Didn't have these problems when I flew the highest time 737-200 IN THE WORLD !!!!
You chose your position in life today by what YOU did yesterday
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RFClark
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Donald Douglas’s custom AC works basically went out of business (sold to Boeing) because they stopped hireling (and paying) the most qualified
workers. Now The DAC people are doing Boeing the same way.
The Government is suing SpaceX to try to get them to do the same thing. There’s nothing wrong with apprentice programs. That’s how people learn
and advance based on merit not just seniority.
To the scolds who push “social justice” I would point out that even DOT mandates drug testing for all commercial drivers and you want no less for
the folks that build your AC! That and training in how to! Drilling AC rivet holes is an art-form that requires lots of practice and instruction.
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Cliffy
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Setting those rivets even more so than drilling the holes
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RFClark
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Also an art-form! I apprenticed drilling rivet holes and bucking rivets. Not my cup of tea. Avionics and Radar are where I found a home. Back in the
“BC days” (Before Computers & Transistors). Think ARC “Coffee Grinders”!
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Cliffy
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Found my niche in engines and powerplant systems not
sheet metal
You chose your position in life today by what YOU did yesterday
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RFClark
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So an A and P!
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Cliffy
Senior Nomad
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A&P 1967 plus
Airline A&P on 707, 747, DC9, 727, DC10, DC8
Civilian A&P trained on CE500, LrJet, 421,
Also Pilot MEATP B737, B727, B757, B767, LrJet, CE500 A319 MU-2
Retired flying Mooney 2500 hrs in same.
Learned A&P on round motored aircraft- DC-3, B-25 Shaky Jakes, round Continentals etc Wrights and Pratts also.
Always a motor guy at heart.
Nothing smells or sounds quite as good as a round motor starting up.
You chose your position in life today by what YOU did yesterday
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AKgringo
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"Nothing smells or sounds quite as good as a round motor starting up."
I have had the pleasure of flying in DeHavilland Beavers on wheels, skis, and floats. It is by far my favorite aircraft!
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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