Slipping a 172 with flaps

Blackhawk

Blackhawk

Well-Known Member
Once again, I don't care what your school says, it is not a limitation. "Avoid" does not= "Prohibited". Newer 172s do not even have the placard any more. If Cessna meant "Prohibited" they would have written "Prohibited", as in "Flight into known icing conditions prohibited".
 
Blackhawk said:
Once again, I don't care what your school says, it is not a limitation. "Avoid" does not= "Prohibited". Newer 172s do not even have the placard any more. If Cessna meant "Prohibited" they would have written "Prohibited", as in "Flight into known icing conditions prohibited".
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It'll do it just fine alllllll day long, and twice on Sundays.
 
If it has 40 of flaps, I wouldn't do it with flaps all out. If it's only 30, I agree with Luke, all day everyday.
 
What is the reasoning behind the "don't slip with flpas extended" placard? Nobody could ever explain why it is so.

Bp244
 
Baronpilot244 said:
What is the reasoning behind the "don't slip with flpas extended" placard? Nobody could ever explain why it is so.

Bp244
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It only says avoid slips with flpas extended.

Supposedly, extending the flpas beyond 20 degrees sometimes interferes to some degree, with airflow over the horizontal stabilizer and sometimes causes slight oscillations of the elevators which sometimes frightens some pilots.
 
Mike H said:
It only says avoid slips with flpas extended.

Supposedly, extending the flpas beyond 20 degrees sometimes interferes to some degree, with airflow over the horizontal stabilizer and sometimes causes slight oscillations of the elevators which sometimes frightens some pilots.
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Thanks - I suppose I shuold have looked that up abuot the flpas but was too lazy. (just like i should have corrected the spelling of flpas.)
All joking aside I appreciate the heads up.

Bp244
 
Mike H said:
It only says avoid slips with flpas extended.

Supposedly, extending the flpas beyond 20 degrees sometimes interferes to some degree, with airflow over the horizontal stabilizer and sometimes causes slight oscillations of the elevators which sometimes frightens some pilots.
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That's pretty much it. If you are not familiar with how an elevator and air over wings work, it may frighten you.

I also do it every day. Twice on Sundays. All 40* out. Sinks like a rock.
 
Firebird2XC said:
It's totally acceptable to slip a 172 with flaps extended.

You just have to remember to retract them in the flare.
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got that covered to. Why do you think I haven't made a flaming hole yet?
I also run it oversquared, just to keep the bases covered.
 
z987k said:
got that covered to. Why do you think I haven't made a flaming hole yet?
I also run it oversquared, just to keep the bases covered.
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I thought a Slip in a 172 with flaps out would cause tower to auto cancel your flight plan, well before reaching the gate.
 
TUCKnTRUCK said:
I thought a Slip in a 172 with flaps out would cause tower to auto cancel your flight plan, well before reaching the gate.
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Yeah, but if that happens the guy after you gets lasered by some dork in a lawn chair and crashes and burns because you distracted the tower. DOOOOOOOOOOOOOM.
 
Baronpilot244 said:
What is the reasoning behind the "don't slip with flpas extended" placard? Nobody could ever explain why it is so.

Bp244
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An instructor/ AP told me it puts too much stress on the sides of the flaps and the connectors break. He said they are made to take the force from the front, not from the side.
 
I did it in a 150 once. That will really give you big pitch oscillations. It was like a roller coaster ride.
 
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