January. I noticed smoke streaming from behind the left prop that I could not explain, and decided it was "nothing good", so declared and shut it down pre-emptively. Was just about to cross the rockies too (of course
) I actually really hesitated in declaring since I was at 13,500 and had a familiar field about 7nm away. I was most averse to having a fed critter up in my business, but then better sense prevailed, and I declared the emergency -- I wanted to get service and attention from ABQ Center if things deteriorated further.
The fed who reached out to bother me was given a copy of my ASRS report and never contacted me again.
I was right, it was "nothing good"
It turned out that Western Skyways had been supplied a mis-labeled camshaft for my new engine from the clowns at Continental. Amazingly, even though I landed at an airport with no services or transportation options, they drove a dude down, removed the motor, took it back to their shop, and had a built-up replacement motor ready in a few weeks which they then drove back and reinstalled on the ramp for me. I basically left them the keys and came back for it when they were done. And even though Continental hosed us both, not a cent out of pocket on the warranteed engine.
They also discovered a nick in my newly overhauled propeller and had that blade replaced at their expense. I had overlooked it.
They earned a customer for life on that deal. I think the plane would still be sitting on a sad and lonely ramp if I had to manage the logistics myself. There weren't even ubers available -- I had to phone a favor in from a pilot buddy 100mi away to get a ride outta there.
I'm glad that I declared, even though it was a nothingburger in the end. ABQ didn't even seem to mind, and the controller helpfully called ahead to the FBO for me, and that resulted in a very handy tug to the ramp when I couldn't taxi anymore with one out.