I don't know that we've ever seen an incident like this. I agree that it's clear that the incident started at about 357 secs with a partial loss and then gradually got worse.
Agreed - the precursor behavior is very odd, but the subsequent behavior is very characteristic of one prop missing.I don't know that we've ever seen an incident like this. I agree that it's clear that the incident started at about 357 secs with a partial loss and then gradually got worse.
@eyz can you retrieve and provide the tablet .DAT? Look here to see how to do that
Retrieving a V3.DAT from the tablet
Interesting. That would indicate either failure of both pivot pins or the center section (like broken tabs).I haven't seen any data on that. It might be able to hold altitude in that configuration. At the end, however, the prop was completely missing.
That's definitely a possibility. I retrieved a P4P for someone locally that had aftermarket props that simply came apart mid-flight.Interesting. That would indicate either failure of both pivot pins or the center section (like broken tabs).
Or a poorly made aftermarket prop: I have seen aftermarket props where the fit on the shaft is so tight that the prop would stay on for a while even without being ''clicked'' properly into place.
My thought was that maybe he hit a tree branch or something similar.No - it was most unlikely to be incorrectly mounted - that would have come off much sooner. And while these aircraft will fly with partially broken props, if that was the case then it must have failed during flight.
There was no evidence of any issues earlier in the flight, so at this point it's total speculation as to when and how damage may have occurred.That was my first reaction too, but he could have sustained some such damage on the way out, with the prop finally coming apart over the water. Partly fractured blades, etc.
All the information seen there is in the txt flight log that you posted previously.haven't got the dat file.
but got this final moment of the flight log
The folks on this forum impress me not only by the massively technical nature of the info and expertise freely shared, but also the intricate knowledge of reading these kinds of logs. I've found so many unfortunate events that have happened to others (with Murphy's law my turn to teach through my misfortune I'm sure is coming one day) I've really learnt a lot more and am that much more aware. So just a shout out to those who assist all the rookies like me and others on here. I'm impressed on so many levels. Thank you.How can I learn to read the flight data? are there any instructions posted anywhere?