Steep spirals commercial maneuver?
02-15-2011, 02:52 PM
#1
Line Holder
Thread Starter
Joined APC: Nov 2009
Posts: 79
Steep spirals commercial maneuver?
I am a CFI and I am teaching my first commercial student. After talking with other CFI's I am finding the teaching of steep spirals seems to be open to interpretation. The PTS says nothing of airspeed or aircraft configuration, so I am curious to see how other instructors are teaching it. Which airspeed (best glide, maneuvering speed or other)? Aircraft configuration (gear / flaps up or down)?
02-15-2011, 03:16 PM
#2
Line Holder
Joined APC: Nov 2008
Posts: 39
Gliding Speed
Congrats on your first Commercial student.
Refer to the current Airplane Flying Handbook for your answer. It is not just any speed but gliding speed or best glide.
In conjuction with the PTS always refer to AFH when teaching a maneuver. As CFIs we strive to be "Technically Proficient" which requires us to be intimately familiar with the appropriate FAA Handbook.
Have fun.
Refer to the current Airplane Flying Handbook for your answer. It is not just any speed but gliding speed or best glide.
In conjuction with the PTS always refer to AFH when teaching a maneuver. As CFIs we strive to be "Technically Proficient" which requires us to be intimately familiar with the appropriate FAA Handbook.
Have fun.
02-15-2011, 03:17 PM
#3
Gets Weekends Off
Joined APC: Apr 2007
Position: Dream within a dream
Posts: 1,306
Vg (100) and clean in the SR-20
In the 172RG when I was training for my CFI, I think it was 100 or 90 with gear down and full prop. If you try to get too close to Vg in some airplanes you'll get into an accelerated stall
In the 172RG when I was training for my CFI, I think it was 100 or 90 with gear down and full prop. If you try to get too close to Vg in some airplanes you'll get into an accelerated stall
02-15-2011, 03:59 PM
#4
Gets Weekends Off
Joined APC: Apr 2008
Position: King Air 200 CA Hawker 800/900 FO
Posts: 810
I've taught it at approx glide speed, gear up. Make sure to utilize a fair amount of nose high trim or else your students will have a very hard time staying on speed. One of the main points of the steep spiral is maintaining over a fixed point on the ground and adjusting for wind drift.
What configuration were u taught? Are you teaching in the same type of plane? Odds are that what you were taught will work pretty good.
What configuration were u taught? Are you teaching in the same type of plane? Odds are that what you were taught will work pretty good.
02-20-2011, 07:35 AM
#6
Gets Weekends Off
Joined APC: Apr 2007
Position: Dream within a dream
Posts: 1,306
Originally Posted by csh405
Its supposed to be an "emergency" maneuver to set up for a power off landing, so best glide, gear up.
02-20-2011, 05:02 PM
#7
Line Holder
Joined APC: Nov 2010
Posts: 86
I have always taught this with Gear Down and about best glide speed. One reason for the gear down is to make sure its down and ready for landing as most teach this as an emergency to a power off 180. Another is it is easier for the student to pick a spot right under the tire (if in a high wing) to use as a reference to remain over. Also, you don't have to listen to the gear warning horn going off the entire maneuver with the throttle idle.
You do have to be careful about the best glide because it does get close to a stall at times.
The DPEs I have talked to like to see the student reach at least a 50* bank at least once every full turn even though the PTS does not specify a bank angle.
You do have to be careful about the best glide because it does get close to a stall at times.
The DPEs I have talked to like to see the student reach at least a 50* bank at least once every full turn even though the PTS does not specify a bank angle.
Thread
Thread Starter
Forum
Replies
Last Post
oldveedubs
Flight Schools and Training
6
09-19-2011 03:15 PM
orlandoite
Flight Schools and Training
12
06-03-2008 02:32 AM
