ryan1618
  • Member for 6 years, 8 months
  • Last seen more than a week ago
Was ATC overstepping its boundaries when advising a pilot to ignore a cell warning?
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31 votes

The controller didn't overstep his boundaries, and he didn't tell the pilot to ignore a weather warning. Shamrock demanded something that's extreme for the NYC airspace: runway heading for 15 miles. ...

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Why do reciprocating aircraft engines have more than one spark plug?
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24 votes

Bold Method has a great post today about why aircraft engines have more than one spark plug per cylinder. There are a few basic reasons. Reliability Having two sparks plugs is more reliable. If one ...

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Why don't we use elevator trim as the primary flight control?
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22 votes

Proper trim control technique involves exerting control pressure to attain the desired attitude then using the trim to alleviate the requirement of holding that pressure. There can be a temptation for ...

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Why would both wingtip lights be red?
10 votes

You might have been seeing a general aviation aircraft from an orientation similar to the one pictured. You'd see the left navigation light which would be red. The rotating beacon would also be red, ...

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Can an aerodrome in class G airspace be controlled?
9 votes

An airport in class G airspace can have an operating control tower. This is a case of a towered airport in uncontrolled airspace. The airspace is uncontrolled but tower communication must be ...

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What FAA sources of weather information can pilots use to mitigate the risk of flying in icing conditions?
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9 votes

Here's a list of official FAA weather information sources that pilots can analyze to avoid or mitigate icing risks: AIRMET Zulu An AIRMET Zulu will be issued for areas where icing conditions are ...

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Is there an official FAA source for time zone of an airport?
8 votes

I have at least a partial solution for you. As I mentioned in a previous comment, I have done some work towards this goal in the past. What I did based on your request was to extract some of that code ...

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What in-flight weather info is available to commercial pilots?
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8 votes

Air Traffic Control Air Traffic Control (ATC) are often a major source of weather information for pilots. Modern ATC radars often overlay weather radar over the screen so ATC can assist pilots in ...

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What is a Terminal Radar Service Area (TRSA) and what are its operational requirements?
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7 votes

A good explanation of a Terminal Radar Service Area (TRSA) can be found in the Aeronautical Information Manual 3-5-6. TRSAs were originally established as part of the Terminal Radar Program at ...

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Is there any "instrument take-off system"?
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6 votes

While there is not a specific physical system dedicated to instrument departures per se, there are procedures that rely upon instrument flight rules (IFR) navigation equipment that ensure obstacle ...

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What is the thick, dashed, magenta line on a sectional chart?
5 votes

The thick dashed magenta line indicates a National Security Area. National Security Areas indicated with a broken magenta line national security area dashes and Special Flight Rules Areas (SFRAs) ...

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Is airspace above KKIC class G at 3,500’ MSL?
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5 votes

As long as the flight climbs above 1,200’ AGL before exiting the area where class E begins at the surface, the whole flight is conducted in class E airspace until descending below 1,200’ AGL on the ...

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Why do some aircraft have to have the landing gear pinned prior to towing?
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4 votes

The most direct answer is that gear pins are installed to prevent accidental retracting during towing. I'm not typed on the Phenom, but the landing gear actuators are most likely hydraulic. Even if ...

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Can I use an expired IFR-certified GPS with an out of date database in lieu of DME?
3 votes

I would argue that the answer is currently a definitive yes as long as you are not executing an IFR approach or any published procedure including RNAV operations. It's a case of permissibility by ...

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May a pilot legally fly an ILS approach to ILS minimums with an inoperative Attitude Indicator without declaring an emergency?
3 votes

I'm assuming that we're discussing a flight which departed in an airworthy airplane flying under 14 CFR 91 and a vacuum system failure in IMC has rendered the attitude indicator inoperative. May the ...

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Is it legal to fly an aircraft with no navigation beacons, and only solid lighting?
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3 votes

This answer assumes that the question is in the context of the FAA's jurisdiction. The red, green and white lights are position lights. They are required from sunset to sunrise by 14 CFR 91.203. (a) ...

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Why is C-5 Galaxy not used for commercial airlines while Boeng 747 is?
3 votes

While Boeing 747 is used for commercial airlines, why isn't Lockheed C-5 Galaxy? The C-5 was created on a proposal made directly to the military to fill a heavy lift role. It is more rugged than a ...

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How are rocket engine nozzles able to survive very high temperatures without melting?
3 votes

In some cases the fuel itself will be cycled through tubes in the nozzle to keep the nozzle within a defined operating temperature range. That's the case with the Rocketdyne F-1, for example. Edit ...

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Does a subsequent crossing restriction supersede earlier crossing restrictions?
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2 votes

AIM 4-4-10 (g) gives us guidance on this situation. The guiding principle is that the last ATC clearance has precedence over the previous ATC clearance. When the route or altitude in a ...

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Why does carburetor icing require manual attention by the pilot?
2 votes

Everyone is making the answer more complicated than it needs to be. The manufacturers can't build an automated carburetor deicing system for more than they could sell it for. Therefore, it's a ...

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What direction should a traffic pattern be at an uncontrolled or non-towered airport?
2 votes

FAR 91.126(b)(1) states that all turns in the vicinity of an airport in Class G airspace should be made to the left unless otherwise marked. That includes the traffic pattern.

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Is it acceptable to use VNAV data in lieu of localizer recommended altitudes?
1 votes

If your company uses CANPA (continuous descent) approaches, the whole point is using artificial VNAV on non-precision approaches where no vertical navigation is part of the approach. This involves ...

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Is it required for pilots to contact ATC while flying VFR?
1 votes

Here are some straight-forward answers assuming you're asking about flights operating in the FAA jurisdiction. Pilots are not required to communicate with ATC while operating VFR unless they are ...

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How are fixes used during an approach?
1 votes

A fix is a virtual position that helps aircraft maintain their flight plan. It is usually defined as the intersection (in the geometrical sense) of two VOR radials, but other navigational aids such as ...

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How do you hold at a non-towered airport?
0 votes

In order to answer this question the terminology and procedures must be clarified. If an airplane is in the airport traffic pattern and the runway won't be available by the time by the time it would ...

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