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NJA_Capt · March 24th, 2005, 16:09

Mainly the "crossing the departure end" scenario.

When I was actively instructing (early 90s), the AIM (when it was the Airman’s Info Manual), listed the recommended procedure, which is the 45 entry pattern, and the alternative entry. The alternative entry was to cross midfield AT TPA (not above) and turn left to enter the downwind.

Keep in mind that the term "midfield" is generic term, not a fixed point. It will be very different on a 2500' strip and a 10,000' strip. The middle of a 2500' strip doesn't leave much room to downwind prep, and departing traffic will not be anywhere near TPA at the departure end. Conversely, modern business jets can be at 3000 agl when crossing the departure end of a 10,000' runway.

March 24th, 2005, 16:09	#57
NJA_Capt Senior Member Join Date: Jan 2003 Location: Low Earth Orbit Posts: 1,389	Re: Entry on the 45 busts FARs? Mainly the "crossing the departure end" scenario. When I was actively instructing (early 90s), the AIM (when it was the Airman’s Info Manual), listed the recommended procedure, which is the 45 entry pattern, and the alternative entry. The alternative entry was to cross midfield AT TPA (not above) and turn left to enter the downwind. Keep in mind that the term "midfield" is generic term, not a fixed point. It will be very different on a 2500' strip and a 10,000' strip. The middle of a 2500' strip doesn't leave much room to downwind prep, and departing traffic will not be anywhere near TPA at the departure end. Conversely, modern business jets can be at 3000 agl when crossing the departure end of a 10,000' runway.