/r/avionics

Photograph via snooOG

/r/avionics is a place to share and discuss the varying nature of avionics, be it analog, digital, efis, databusses, new products, troubleshooting, navigation, communication, nexgen, and even obsolete products.

/r/avionics is a place to share and discuss the varying nature of avionics, be it analog, digital, efis, databusses, new products, troubleshooting, navigation, communication, nexgen, and even obsolete products.

/r/avionics

4,601 Subscribers

1

How to get into avionics in Missouri

I live about an hour from St Louis, I'm really interested in this field but have no prior experience. I'm considering going to Missouri State technical college for the aviation degree, but I really don't know where else to start. Is this a good school to get my a and p? If anyone has any suggestions or any input I truly appreciate it! Thank you in advance! Just any information in general would help because I know very little about it all, but I love airplanes and working with my hands on electronics.

7 Comments
2024/11/02
03:30 UTC

2

GI275 GMU44B CALIBRATION FAIL

Hello everyone,

I have just completed the installation of a GI275 with GMU44B, and I have a problem during the magnetometer calibration. Every time at the end of the calibration procedure "Calibration Failed" message appears.

On the diagnostics page it seems that there is no data transferred through RS232 between GI275 and GMU(black square). The RS485 works properly.

I have already checked a second serviceable GMU.

Does anyone have in mind what is the root of this problem??

Thank you in advance.

4 Comments
2024/11/01
17:39 UTC

8

Vacuum Pump for P/S testbox

Hello all, we have an old box wr use for low level leak checks and our pump bit the dust today. Does anyone know where we can find a replacement pump? The box it's in is like 1940s era and the pump is newer but we haven't really been able to find one. No brand on it or the box. Any insight would be most appreciated! TYIA

9 Comments
2024/10/29
18:41 UTC

1

Strobe lt power supply

152-0010 Aeroflash Signal Power Supply Unit (Volts: 24-28)

does anyone have a schematic diagram of this one its already condemned by my company but i want to try and fix it, for the sake of trying.

0 Comments
2024/10/21
04:49 UTC

2

Aviators, what problems do you encounter in your job that need better tools or solutions?

I'm conducting a research on the day-to-day challenges faces by aviators. I want to understand the specific problems or pain points you encounter while working. Thank you 😊

1 Comment
2024/10/20
04:11 UTC

0

Problems in Avionics

Hello!

My name is Christian and I am a student from The Netherlands. Currently I am researching the field of avionics for Standard GA and home-built aircraft, with the goal to find as many inconveniences or problems within this field.

With almost every product there is something wrong, sometimes we know exactly what, and other times we don’t realise it immediately. That is why I am trying to find out what people involved with GA aircraft think is wrong with avionics. With the goal to find problems that a lot of pilots, maintenence crews or plane owners can find themselves in.

This question can be complex and sometimes it requires to think out of the box, or maybe you already know exactly what find annoying.

So this is my question to all the people involved with aircraft:

What inconveniences or problems do you experience in regards to avionics?

I’m very curious what everyone comes up with, Thank you!

5 Comments
2024/10/17
10:25 UTC

0

Azafata de vuelo

Hola, tengo una duda, el titulo de grado medio o el superior me sirve igual que el bachillerato a la hora de querer entrar en una aerolinea? o en el caso de algunas no puedo o como va esto....?

1 Comment
2024/10/16
07:16 UTC

1

Sanity Check

I just did a thing.

I purchased a Piper Arrow. It has:

GMA 340 KX 155 with Glideslope KX 155 KMD 150 KLN 94 L3 Lynx Piper Autocontrol 3

Initially, I wanted to replace the KLN-94 with a GNX-175 and then install a pair of GI-275s that could interface with the AP and remove the vacuum system.

Then I had the avionics inspected, and it was determined that the KX-155s needed to be overhauled, and the autopilot was barely working with some Mickey Mouse wiring /soldering.

I decided to keep one of the KX-155s for Com 2, change from a GNX-175 to a GTN-650XI, and put in a GFC-500 A/P

Now the shop is making me a seemingly sweet deal on a G3X Touch for an extra $3,000 vs the GI-275s. Seems worth it.

What I’m not doing:

New custom panel EIS New Nav/Com 2 New Transponder that will integrate with the Garmin gear

Am I crazy?

13 Comments
2024/10/13
23:24 UTC

4

FAA is hiring Airways Transportation System Specialist

Big push for hiring in the FAA for experienced techs to maintain the equipment used for air traffic control. Openings all around the country. (Salary does not include locality)

https://www.usajobs.gov/job/813645200?share=facebook&fbclid=IwY2xjawF3qjRleHRuA2FlbQIxMQABHXAJk0F7tjI3mKKvNX7k6vD27nqo13jJYIIaCRiGap5OyUtFphJDJZTxZA_aem_iSQAm4Qcz6zumaBUDgRHGA

10 Comments
2024/10/12
19:42 UTC

4

Requesting help deciding what avionics to get installed

Hello everyone,

I'm looking to buy a couple planes for time building rentals. My goal with the company is to lower the cost and extend that to my customers. I'm really not looking to make anything personally, but really to help the world of aviation.

Anyways, I've got a connection with a distributor and I'm looking to get some help figuring out exactly what avionics would be best. Since it's for time building, I'd like to get autopilot for these customers, have it FAA IFR rated to minimize time you're not able to fly, and, of course, keep the cost down so that I can extend that savings to customers.

Below is a list of equipment available from manufacturer. Thanks for any ideas/tips!

https://preview.redd.it/qw26lpfz01ud1.png?width=432&format=png&auto=webp&s=a2e84656cb57c2be075dae4f0e71d654e4769546

10 Comments
2024/10/11
01:04 UTC

3

Edm 900 high oil psi, never changing.

We did a 100hr on a cessna 172G w/ continental O-300. During 100hr it received an EDM suite. It's constantly reading 125psi on the oil, never changing.

The transducer is good. The plug to the transducer is good. Where else should I check? Boss wants the bird out tomorrow to fly down to wiley post for paint, this is the only hold up.

UPDATE: situation was resolved. A non-electrical type with delusions of grandeur pinned the plug wrong and very poorly. Thanks to all for the suggestions.

13 Comments
2024/10/10
04:57 UTC

1

Radio showing receive constantly

Looking for ideas where to start

My old GNS430 has worked fine for years. Now it shows RX almost all of the time. On occasion it will go silent, but then for no reason the Rx comes back on.

When it is receiving, it is like I have taken the squelch off. I do actually hear the radio constantly in my headphones. I have messed with the squelch on and off button with no changes.

I have flipped off almost every switch in the plane and unplugged anything that I could think to unplug with no effect on the constant receiving

For now, the simple fix is just use my second radio, but I would like to go back to be able to use the 430 radio

Does anyone have any ideas on where I should start looking for the problem? I will take it to the shop, but if I don’t have to pay a mechanic to hunt down electric issues, I would prefer not to.

13 Comments
2024/10/07
12:31 UTC

1

Line tech job

Got a job as an avionics line tech , just wondering what tools I should get ?

9 Comments
2024/10/06
19:00 UTC

2

No school

Hey there I am twenty and recently got my A&P. I also want to get dip myself into avionics. I was wondering if I can get my FCC with radar endorsement just by studying the questions and not going to school for it. Thank you

4 Comments
2024/09/30
19:10 UTC

1

SWPM 737NG

Hi there

Can someone tell me how to get training ( How to use ) for SWPM, SSM and WDM Manuals of 737NG.

Thanks in advance

2 Comments
2024/09/28
08:35 UTC

1

Help making a financially irresponsible project seem somewhat sane

I'll get to the gist, I have a 1940's Cessna 140 with atomatoflames as far as avionics, no DG, no Attitude indicator, ECT I do have a nice mode a transponder and a single com radio. I'd like to make it instrument rated and a somewhat reasonable long XC plane. I can't make it faster but I can make long flights easier, however there is one thing I'd really like to add that I can't seem to find any documentation for. I really want an Autopilot for those 8 hour multi stop flights. So far my plan is to do dual Garmin g5's and a narco 121a as well as a gps of some sorts. What would you guys recommend gps and autopilot wise if there even is an approved autopilot. Google suggests the KAP140 is allowed however I can't find any documentation confirming or denying this. For the gps my main factor is bang for buck. I'm a college student who works full time so while I can afford to stupidly invest into an airplane I know won't go up in value, I'd like to do so with a resemblance of frugality. Thanks for your advice in advance.

12 Comments
2024/09/25
07:51 UTC

1

PC-12 measurements

We're getting ready to start another PC-12 installl and somehow we seem to have lost our harness measurements. Was wondering if anyone had any G600/GFC600 harness lengths/measurements they could share so we could get a head start on the harness?

0 Comments
2024/09/22
13:53 UTC

1

Maybe this group can help me. I no longer work on avionics, but my pair of Snap-on flush cutters (E710BCG) finally broke. They are unfortunately discontinued.

I know folks who do avionics work must know the kind of pliers I'm after. Though, I no longer work in this field, this was my very favorite tool. I still often need this and really enjoyed their precision, anyone happy with any similar product?

9 Comments
2024/09/21
02:34 UTC

2

New avionics mechanic

Hey all, I enlisted in the Army National Guard and got all of my avionics training through them. I am now stuck at a road block and don’t know what to do with my career, if anyone has any tips to help me out I would really appreciate it. I’m heavily considering going active duty but I know that the pay is significantly better on the civilian side and if I can find something civilian side I would greatly prefer that. 20 years old and based in Michigan

22 Comments
2024/09/20
17:37 UTC

1

Has anyone gotten an A&P strictly from Avi Tech work in a repair station?

If you or know someone who has, what was the process for you like? I'm considering taking that path for the A&P as I already have a little over a year of manufacturing avi experience.

Mainly wondering if this is a practical path, or if i should consider working in another discipline

3 Comments
2024/09/15
00:18 UTC

3

Heaters in pitot tube

Just wanna ask a question. There are 2 heaters on the pitot tube. Are they included in ata 30?

Is it anti icing?

3 Comments
2024/09/14
16:53 UTC

3

Need help kx 165 died on flight

So the radio died after after flying cross country and didn't turn on anymore, I've tried every simple tricks I know to try and make it work, like letting it cool down and cleaning and swapping the radios but I suspect it the radio itself that gave up. does anyone knows what should i do next?

update: we've already sent it for repair there are faulty fuse only with wire jumped on it, making the power source to fail and some capacitors too so theres that... and some drama haha

8 Comments
2024/09/14
06:49 UTC

3

GMA 340 audio panel potentiometer

Good day! Does anyone have an idea what potentiometer does GMA 340 use? I had an accident when a bunch of kids climbed into the cockpit unsupervised and broke off one of the knobs. I know "service centre blah-blah", but come on! It's an easy fix if you have the parts, but sadly every one of them that I've found are either too short or have a different resistance rating. Even tried contacting Alpine (visually the closest to the original) about the model number, but they have yet to reply (been a month or so). Please help

https://preview.redd.it/0qthdy0hbsnd1.jpg?width=1200&format=pjpg&auto=webp&s=f2732e7cfe622de7ca7ba685d12d0c68ae0fed96

8 Comments
2024/09/09
13:21 UTC

9

Garmin GNS 530 NORDO

Hey everyone, had a problem with my 530 last night and my A&P can’t come look at it for a few days so figured I would bounce this off the sub in the meantime. So after switching to tower last night static started pouring through the radio, couldn’t hear anything until tower or I keyed the mic, then could hear that transmission fine. After a while of that though, the display started flashing RX rapidly like I was keying the mic, after that I couldn’t hear anything. I did confirm that they did hear me when I keyed the mic but could not hear approach clearly, what I could hear was them coming in every other syllable through what sounded like me keying the mic rapidly again. They said it sounded like a stuck mic to them. For reference the plane is also equipped with two ICOM ptt systems. I swapped those around and removed both and it was still giving this problem on the ground. I’ve attached a video for reference of what’s going on when on the ground. Thanks in advance for the help!

12 Comments
2024/09/05
15:05 UTC

6

Who makes more money?

Does flight line avionic techs who work on the aircraft themselves? Or back shop tech, bench techs, repair techs etc?

As of right now I’m a bench tech and when I get out of the Marines ill have 3 years and 9 month’s experience, im torn between what certifications I should get. Such as A&P, GROL, NCATT.

17 Comments
2024/09/04
05:06 UTC

3

GROL or AET

Currently an Active Duty Airman and have the option to get either an FCC GROL or an AET cert. Anyone have any experience or suggestions as to which one is better for civilian marketability in the aviation industry?

5 Comments
2024/09/03
16:26 UTC

0

Need a referral for SDE 1 - ReactJS.

Hey there I am looking for a referral at Panasonic Avionics for the role of

SDE 1 - ReactJS

Location : Pune, India

It would be of very help if you guys refer me for this role.

0 Comments
2024/09/03
15:02 UTC

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