C172 Instrument Approach Speed???

Embry Riddle has its students and instructors fly approaches at 90-100 knots. But they also fly out of a relatively busy Class C airport with lots of trips to Class B airspace and airports within the airspace.
 
saria19 said:
Embry Riddle has its students and instructors fly approaches at 90-100 knots. But they also fly out of a relatively busy Class C airport with lots of trips to Class B airspace and airports within the airspace.
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Defiantly at 100, no range on that number. They (the instructors, or at least the ones I had) got very very pissy if we weren't exactly on 100 knots, all the way down to MDA/DH.
 
saria19 said:
Embry Riddle has its students and instructors fly approaches at 90-100 knots. But they also fly out of a relatively busy Class C airport with lots of trips to Class B airspace and airports within the airspace.
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Well, as PIC you can either comply with an ATC airspeed request or you can say, "Unable."

Sure, we all want to be helpful and fly an approach at 120 if that's what ATC needs; but in all of my flying in and out of DAB, MCO and other congested airspace I've never been chastised for flying an approach at 90.

IMHO, Airspace has no correlation to airspeed when you're the PIC on an approach.
 
Speed's, Config, Power Settings for a Skyhawk:

90 KIAS S&L

2100 RPMS
2200 RPMS W/ FLAPS 10

Descending down the G/S at 90 KIAS

1700 RPMS
1800 RPMS w/ Flaps 10

NP APP at 90 KIAS 700-800 FPM

1500 RPMS
1600 RPMS w/ Flaps 10

I teach 90 KIAS for my students but usually shoot the app at the top of the green arc just because I would blow my brains out flying 90 KIAS down a IAP.
 
jhugz said:
Speed's, Config, Power Settings for a Skyhawk:

90 KIAS S&L

2100 RPMS
2200 RPMS W/ FLAPS 10

Descending down the G/S at 90 KIAS

1700 RPMS
1800 RPMS w/ Flaps 10

NP APP at 90 KIAS 700-800 FPM

1500 RPMS
1600 RPMS w/ Flaps 10

I teach 90 KIAS for my students but usually shoot the app at the top of the green arc just because I would blow my brains out flying 90 KIAS down a IAP.
Click to expand...

Only took you 1,127 posts to post something smart on JC.


I kid I kid :D
 
More great information! Thank you all so much.

It seems very foreign to me to change configuration after breaking out. In the airliners we are fully configured and on speed at 1000 feet AGL or we have to do a mandatory go-around.

Just a side note: Just gave a line check from LAX to DFW this morning and heard, literally, a midair collision take place between a 152 and a PA-28. The 152 crashed and the PA-28 landed in a field somewhere. He broadcasted on 121.5 that he had hit something and was "going in." It was very upsetting and I pray for the families of those in the 152.
 
skysnake said:
More great information! Thank you all so much.

It seems very foreign to me to change configuration after breaking out. In the airliners we are fully configured and on speed at 1000 feet AGL or we have to do a mandatory go-around.

Just a side note: Just gave a line check from LAX to DFW this morning and heard, literally, a midair collision take place between a 152 and a PA-28. The 152 crashed and the PA-28 landed in a field somewhere. He broadcasted on 121.5 that he had hit something and was "going in." It was very upsetting and I pray for the families of those in the 152.
Click to expand...

I thought it was weird at first as well, flying down the ILS at 90 knots, breaking out at 200', power idle and flaps full to land at 60ish.

And the crash:
http://www.azstarnet.com/sn/hourlyupdate/308298.php
 
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