Questions tagged [cessna-172]

The Cessna 172 Skyhawk is a four-seat light aircraft, very commonly used in flight training

Filter by
Sorted by
Tagged with
3
votes
1answer
199 views

Steep turn: do we need rudder once we rolled into a bank angle?

Say a Cessna 172 is in a cruise level flight and clearing turn is just finished. I barely feel a left-turning tendency during the level flight (Maybe torque and slipstream are less significant). I ...
0
votes
4answers
114 views

Why does power help us maintain altitude in slow flight?

I was asked this question and didn’t know how to phrase a nice and easy explanation. What I said is- well because drag is now increasing Un- proportionally to lift, we need something to generate more ...
20
votes
2answers
5k views

Why do electronics have to be off before engine startup/shut down on a Cessna 172?

Can someone explain in simple words why we make sure electronics are off before we start up/ shut down our Cessna172 engine?
1
vote
2answers
212 views

Why do we check Idle operation with carb heat on during a Cessna 172 run-up?

I understand this is to “check our engine is still operating at idle”, but can someone explain this more in depth? Like why wouldn’t it?
1
vote
1answer
220 views

Why is “L Fuel Low” illuminating on my Cessna that is full of gas?

I fly a fuel injected Cessna 172SP 200 hp. Tanks were just about full today and every 5 seconds or so in flight, I would get “L fuel low” and the left fuel indicator would drop to 0. I’ve consulted ...
1
vote
1answer
135 views

Why are the best glide and best range airspeeds different for a C172?

According to Cessna 172 POH the speed for max range with power off, or glide speed, is 65, and achieved at the best L/D ratio. However with power on the speed for max range will be around 75. Why is ...
0
votes
1answer
169 views

Why is there a a nose-up pitching tendency during a forward slip in a Cessna 172?

Why is there a tendency for the nose to pitch-up during a forward slip in a Cessna 172 (According to the TC Flight training manual)? Quote: "If full rudder is used, considerable aileron pressure ...
7
votes
7answers
1k views

Why does aileron response diminish as speed becomes slower, from slow-flight up to the stall? (In a light trainer)

Can someone phrase the explanation to this in simple words as you would explain to a student?
14
votes
2answers
3k views

Why not always take off with 10 degree flaps in a Cessna 172?

10 degree flaps increase our lift, reduce stall speed, reduce ground roll. Seems like all advantages with no disadvantages. So why does the Cessna 172 POH say normal take off is 0-10 degree flaps? Why ...
8
votes
3answers
3k views

Why can we not use full throttle in a C172 when cruising at lower altitudes?

My flight training manual (FTM) says that at low altitudes we throttle back our trainers in order to not exceed recommended power settings. But why is that? Is the air close to sea level just too ...
3
votes
1answer
132 views

Is there a common route that Seattle GA pilots use to circle Mt Rainier while avoiding class B airspace?

I'd like to fly around Mount Rainier in a C172 out of Renton (KRNT). What route do people usually take? I wonder if I can climb quickly enough once out of Seattle class B airspace for terrain around ...
1
vote
1answer
356 views

What is this part on a Cessna 172 engine?

Can any one tell me what this tube with the red is? This is a photo of a 1977 Cessna 172 engine. Looks like the tube is directly connected to the top of the crankshaft.
0
votes
2answers
738 views

How to compute thrust to weight ratio of a Cessna 172?

Cessna 172 has weight about 1 ton and it's engine produces about 213 Kg of thrust, and it flies great. So if I make a plane with a weight of 100kg including pilot and fuel so will 15 kg thrust good ...
8
votes
2answers
529 views

Why should one not slip a Cessna 172 with flaps extended?

The POH strongly recommends not slipping the AC with full flaps...why? It seems natural in a crosswind approach to allow the horizontal lift component to cancel the airmass movement across the ...
6
votes
1answer
207 views

How can I calculate the C.G height for an Aircraft?

before I continue I would like to thank you guys beforehand for the help. I am new to this forum and in aviation in general. I am helping my professor to obtain the C.G coordinates in x, y , z for a ...
1
vote
2answers
2k views

How do I use the takeoff and landing distance charts in the C172 POH?

Can anyone explain how to calculate takeoff and landing distances using the chart for C172s, and please give me an example?
0
votes
1answer
112 views

Is there a graph that shows the thrust required for a given airspeed? [duplicate]

I would like to see the graphical relationship between thrust required and airspeed for a typical general aviation aircraft, e.g. C-150 or C172 series.
0
votes
1answer
127 views

Do planes depreciate like cars? [duplicate]

Let's say I was in the market for buying a Cessna. What benefits would buying a new Cessna have over an older one? With cars, the resale value does hit a floor as long as it is safe to drive. Are ...
6
votes
3answers
222 views

Is a Cessna 172S still airworthy if factory-installed instrumentation not required for day VFR flight is inoperative?

A C172S I occasionally rent had the EGT gauge placarded INOP when it had a JPI EDM-700 engine monitor installed. The placard sits on the gauge so you can no longer see the needle. Probably the single ...
1
vote
0answers
90 views

Can I change the max bank angle on the Garmin G1000 in the C172SP?

I wonder if I can change the max bank angle on the G1000/GFC700 avionics in a C172SP, like you can on the MCP of the 737NG?
3
votes
0answers
518 views

Is it illegal to fly a Cessna 172S under day VFR with an inoperative vacuum gauge?

Let's say my vacuum gauge is not working on my C172S and I want to go day VFR flying. There is no MEL. 14 CFR 91.213 details procedures for inoperative instruments, and I think the following ...
5
votes
1answer
1k views

Can you identify this antenna on a Cessna 172N?

Does anybody know what this antenna is used for? I suspect a glideslope antenna but I am not totally sure.
16
votes
5answers
11k views

What instructions should I give to an untrained passenger for Hand propping Cessna 172N as a pilot?

Does anybody know what is the most effective way of hand propping a Cessna 172N, with a passenger who is not mechanically inclined. So you need to give them the most easy to follow and simple ...
0
votes
1answer
165 views

When does fuel indicator indicate red index? C172

Full fuel is 56 gal and usable fuel is 53 for c172r. Other than when the fuel indicator is broken, when the fuel indicator indicate red index? Is there any fuel quantity setting to indicate red?
5
votes
2answers
371 views

What kind of container should be used for storing a disassembled Cessna 172?

I need to store a damaged aircraft away rather than leave it exposed to the weather and elements on a tie-down at an airport. It is a Cessna 172. If I remove the wings and horizontal stabilizer (from ...
1
vote
1answer
2k views

Is there an actual rated thrust for a Cessna 172 engine at takeoff power?

I could approximate the thrust by knowing the weight of my aircraft and timing the acceleration to takeoff speed, but I think that would be a little dangerous of me as well as only an approximation ...
0
votes
4answers
3k views

Is it right to call out out “50…40..30..RETARD” in a C172 simulator?

Playing flight simulator in a C172 (since we don't have any in my local schools) and the 'co-pilot' I fly with (only know him online) insists on calling out "50...40..30..RETARD, RETARD". I know ...
0
votes
3answers
2k views

C172 models and panels design

How many C172 models there are out there and what are the differences between them? Which models have these "modern" (newer) instruments panel design like this one: versus:
17
votes
4answers
3k views

Should I have one hand on the throttle during engine ignition?

I'm training in a Cessna 172 for my private pilot license (PPL). My flight instructor recommended that I keep my checklist in one hand (so that I can keep looking outside with my peripheral vision) ...
4
votes
1answer
592 views

Why did this pilot have his single-engine license revoked?

5 minutes into this video, a commercial Indonesian pilot is shown performing a very tame version of a parabolic flight path as performed by zero-gravity flights, in a Cessna 172. This video has over ...
0
votes
1answer
55 views

How can I find out if there's an EASA STC for something that has an FAA STC?

I want to purchase something for my Cessna from a US web shop. The part has a Supplemental Type Certificate (STC) from the FAA, but I don't find any information about the EASA equivalent. Is there ...
1
vote
1answer
1k views

How do you lean mixture using only the instruments on a C172 Skyhawk?

POH manuals always tells to use the voice of the engine as a reference. (Which complicates things a little bit since carbs and fuel injected planes have different "reaction times" for each cylinder) ...
3
votes
1answer
1k views

Does the Cessna 152 or 172 have emergency door cable releases?

Is there such a thing as an emergency cable release inside the cockpit of 152 or 172, to remove the door hinge pins in an emergency?
2
votes
2answers
2k views

Why is the fuel pump in the startup procedure for a Cessna 172?

I thought fuel pumps were reserved for fuel injected planes in startups and during critical flight phases for all planes? However. There are some X-Plane flight tutorials that tells us to use fuel ...
1
vote
2answers
237 views

Why buy an new plane or an helicopter? [closed]

This really keeps coming to my head. A brand new 172SP costs a quarter million while a older one (10 years older or a little bit older) costs for less than 100.000 Dollars and the only visible ...
5
votes
2answers
1k views

What is the most fuel efficient climb speed for a C172 SP?

Assuming ISA, sea level, no wind, max gross weight, what speed would be most fuel efficient per 1,000 ft of climb? Alternatively, if that converges to the most fuel efficient cruise speed, when there'...
2
votes
1answer
709 views

Why does the main battery discharge with the alternator running?

In my cessna 172S, when engine running at any RPM, the current at the main battery is below zero, indicating that the alternator is not charging the battery or the battery discharges, but the standby ...
2
votes
2answers
1k views

Using ANR aviation headset with a PC

I just started my studies towards PPL, and am looking into buying a good ANR aviation headset for flying on Cessna 172. I have an office job, and I'm dealing with a lot of noise, hence ideally I'd ...
2
votes
2answers
471 views

How can a Cessna cut the wing of a Boeing?

I read days before about the collision of the flight PSA Flight 182 on September 25, 1978. I was wondering how is it possible that a Cessna 172 can CUT Boeing's 727-214 wing. There is a video with the ...
-1
votes
1answer
145 views

I would like to fly from the Aleutians to Japan [closed]

I would like to know what is required to do this... what is the legal... what kind of fuel would I need to make the trip in say a 172XP Hawk. Has anyone done this and what kinds of procedures should ...
11
votes
4answers
4k views

How do I keep a C172 straight on the centerline during landing/rollout?

During rollout upon touching down, I'd often find myself veering off the runway centreline to the left. Every time I input rudder, I have this feeling that I am getting pulled out of the turn (while ...
12
votes
2answers
2k views

Why fuel left/right when C172 is secured?

The C172 POH checklists say to set the fuel selector to "right" or "left" when securing the plane but "both" while operating the plane. What is the point of changing the fuel selector when the engine ...
9
votes
1answer
803 views

What are possible causes for the flaps not deploying on a Cessna 172?

I would like to seek some expert opinion on why my flaps failed to deploy when I took it to Flaps 20. I was turning from Downwind to Base when I took flaps 20 and noticed that my speed was creeping ...
2
votes
1answer
132 views

What's this fuel line for?

Cessna 414 ram conversion What's this fuel line for that is coming to injector , other then the one from fuel disturbutor ?
0
votes
2answers
5k views

Cessna 172 steering system and torque link purpose

How does the Cessna 172 steer while taxiing? Is it by using differential braking (braking one wheel at a time)? Are there any connections between rudder or toe brake and nose landing gear related to ...
0
votes
2answers
572 views

How can I calculate a pitch/power table?

I want to make a pitch and power table for C172s based on calculation, just like I attached above. I picked up this table on internet, but I'm not sure where it comes from. Do you have any ideas how ...
3
votes
1answer
362 views

Is there an ideal air temperature for best performance in a light aircraft?

I know cold air is better for engine performance in general, colder air is also denser making lift components stronger(from what I understand). I was just wondering if there is a temperature or a ...
2
votes
5answers
718 views

Which way (if at all) do the ailerons need to be deflected in a full-rudder sideslip in a Cessna 152 or 172?

Do you typically have to maintain an aileron deflection in a constant-heading full-rudder sideslip in a Cessna 152 or 172? If so, in which direction? And why -- what is the source of the roll torque ...
21
votes
7answers
14k views

How much physical strength is required to control a Cessna 172?

I have heard a number of folks tell me that one needs a certain amount of physical strength to be able to control the Cessna 172. Is that true? I'm flying sims now, just wanted to know.
7
votes
3answers
3k views

How much rudder input does a Cessna 172 require during the take off roll?

I am part of an open-source project developing a simulation of a Cessna 172P. We are tweaking our flight dynamic model at the moment and we are looking for feedback from people with real life ...