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Anyone know what this is? Aspen tech note TN2010-10 mentions that Min Alpha TAS/Alt and Max Alpha TAS/Alt may need adjustment to correct pitch lag. That is done via EA100 config program. However they mention if this is done, you should adjust TAS Measurement Covariance to 25. I have seen other...

Anyone know of a shop (preferably in the southeast US) that has the capability and knowledge to do the Aspen to KFC150 calibration using the KTS-158 breakout box? My local shop says they can't get to it until early next year.

Have a problem with my deice boots (1994 Seneca IV). I think the deice valve on both sides isn't working and need help troubleshooting. I've pressurized the intake on the valve and actuated the solenoid (which "clunks" into position fine and shakes appropriately when shaken). But am still...

Update- looks like an AN-4 fitting. So standard 7/16-20. I assume brass to avoid damaging the engine side fitting? What size thread fitting is the 639494 cap fitting from the inlet Tee and the MS51523-B4 swivel tee on the Continental fuel servo? M-0 and SID98-3 call out these parts with...

Fly to KDTS a good bit. In my prior single. I would pull up to the FBO, they would later tow it down the south ramp and tie it down. Rampers were always careful and would occasionally text me pics of an old wing tip ding (crack on a faring I knew about) just to make sure I was aware of it, and...

If you catch a detonation or pre-ignition event early and take immediate action to lower the temps and it goes back to normal then what? Had what I think is a detonation event on climb out today. Noticed CHT climbing rapidly and pulled the power back to idle immediately as soon as it crossed...

Have a Piper PA34-220T with factory AC. R12 refrigerant. Worked great until the blower motor went out yesterday- now won't move air at all. I have sourced some motor replacements that aren't too ridiculous $$ wise, but in order to remove the motor looks like the entire evaporator housing will...

Vacuum/boots help- for those with boots that have removed a vacuum system for glass panel. Did you cap off the line to the AI/HSI gyro instruments(item 12 on the Piper service manual) and keep the rest of the system intact? If so, what happened to the panel vacuum gauge and the master caution...

I know there are specialized products to care for deice boots. However, what do you use for everyday bug removal? I use Aerowash Wax All for everyday cleaning/coating on metal parts. Is this safe for boots as well?

Have a Seneca IV. I am looking to replace the 760 JPI with a 790. From instrument perspective should be a simple plug and play as the connectors are the same. I am trying to gauge the level of difficulty for planning for either doing myself with A&P supervision, or how much time/effort to...

1- Seneca IV has MAP with integrated switches that complete the annunciator panel circuit when MAP exceeds 39.5" to light the overboost light on the warning panel. Can the CGR 30P be used to light that warning switch or would you have to depend on the warning light incorporated into the CGR or...

New plane- Janitrol i3500 heater not working (PA34-220T). Blower fan works. Combustion overheat light didn't come on. Looks like there is a broken wire on a resistor in the duct switch assembly. Would this cause the problem? Or am I wasting time chasing this problem and need to consider bigger...

Any suggestions for a prebuy shop in the northeast (Pittsburg and surrounding areas) for Piper twins?

Registration renewals- My registration is up end of November. I renewed online back in July or August and the online registry shows my updated registration end date as Nov 30 2025. However I haven't received the paper copy and according to the website they are just now processing files from...

So looking into my passenger headset jacks a bit better (anticipation of new stereo audio panel and what work it will entail) I’ve discovered that the rear headset and mic jacks may have been installed incorrectly. The aftermarket PM1000 intercom calls for 2 separate shielded 2 conductor wires-...

Swift fuel announced their own 100LL replacement will be available in 2023 via STC. They have been pursuing the new FAA EAGLE initiative process apparently and will offer their fuel as a $100 STC. So is this the reason FAA has refused to finalize GAMI 100UL? Do they want to see competition in...

Lycomings have a tendency for valve sticking this advocated to do the wobble test every 400h or so and to be on the lookout for “morning sickness”, or rough running after startup that evens out when the engine warms. On a 4 cylinder this is noticeable but on a 6 cylinder less so. Would the EGT...

Situation- VFR forecast. Mid flight (2-3 facilities down the line and 2-3 more to go) weather starts turning broken to OVC at destination. Decide you need to file IFR. Currently with TRACON. Do you call them up and ask for pop up? Do you call FSS? I've heard that TRACON doesn't want to give you...

Please join us May 20-22 for the 2nd annual PA32 Owners and Pilots Flyin in Memphis (Olive Branch Airport KOLV). We have a great lineup of speakers including Gary Reeves and Fly Girl Kelly and a host of great sponsors and raffles. https://pa-32.godaddysites.com/

PA32 with PET1. At annual in May fixed an incorrect routing of the trim cable around the servo and worked perfectly all summer. Over last month has cooled some and now there is a stiff area mid-trim where the electric trim has a hard time overcoming resistance and slips. Hand trimming works but...