Established on the approach - Checkride question

Is it well-defined where the approach segment begins when you're
vectored for SHN NDB-A?

Yes, in theory. ;-) You're on the final approach segment where the
initial segment intersects the final approach course at (or within)
the 10 nm limit stated in the chart.

How you would detect this on a vectors to final outside this limit is
point of the original poster. I never waste NDB approaches by doing
vectors to final, so I haven't given any thought to the issue. ATC
probably ought not to do what they did, but I'm not aware of any rules
stating such.

"Greg Esres" wrote in message
...
Is it well-defined where the approach segment begins when you're
vectored for SHN NDB-A?

Yes, in theory. ;-) You're on the final approach segment where the
initial segment intersects the final approach course at (or within)
the 10 nm limit stated in the chart.

I see why it's a sensible practice to construe it that way, but is it
officially defined that way somewhere?

--Gary

"Gary L. Drescher" wrote:

"Greg Esres" wrote in message
...
Is it well-defined where the approach segment begins when you're
vectored for SHN NDB-A?

Yes, in theory. ;-) You're on the final approach segment where the
initial segment intersects the final approach course at (or within)
the 10 nm limit stated in the chart.

I see why it's a sensible practice to construe it that way, but is it
officially defined that way somewhere?



On the FAR Part 97 form for the approach. It says "remain within 10
miles." Where there is no segment prior to that, the procedure turn
initial approach segment begins at 10 miles from the PT fix. If normally
ends at that limit, but when vectored to "final" it begins at that
point. Same published-segment airspace boundary in either case.

I see why it's a sensible practice to construe it that way, but is
it officially defined that way somewhere?

TERPS par. 234:

....When no fix marks the beginning of the intermediate or final
approach segment associated with the procedure turn, these segments
are deemed to commence on the inbound procedure turn course at the
maximum distance specified in the procedure.