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Questions tagged [ultralight]

Questions regarding very lightweight powered aircraft.

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0 votes
3 answers
213 views

Will the C42 or other Ultralights break up on aerobatic manoeuvres?

There is a video here of an Ikarus C42 performing aerobatic maneuverers. Now, I know the aircraft is not certified officially, but one of the commenters posted: The reason these planes aren't rated ...
1 vote
0 answers
46 views

Do the FAA provide help on airworthiness of ultralights?

The answer to the question Can my plane get off the ground? has the comment: I'm going to get it checked by the faa Part 103 for Ultralights says that: (a) Any person operating an ultralight ...
-1 votes
1 answer
149 views

Can my plane get off the ground? [closed]

I'm building a ultralight aircraft. I have a Rotax 447 that produces 40 horsepower and 175 pounds of thrust. The plane is going to have a wingspan of 20 feet by 5 feet and the max takeoff weight of my ...
0 votes
1 answer
36 views

What is the differences training syllabus for a Microlight rating to an SSEA rating?

Have looked around for this, but struggling to find the answer. I have an NPPL (UK) license with a Microlight rating. I want to get the SSEA rating so I can fly 4 seat aircraft without basically ...
2 votes
1 answer
498 views

Is there an official English version of LTF-UL?

I have found the German version of the ultralight regulations under Germany airworthiness authority, but I have not found a link for English version of that. is there any?
8 votes
1 answer
547 views

May a US citizen fly a US ultralight into Canada?

May a US citizen (no pilot license) fly a US ultralight into Canada or any other country? Due to a special exemption, Canadian pilots may fly a basic ultralight (registered but no certificate of ...
11 votes
3 answers
4k views

Can you do your PPL solo time in an ultralight?

I've been thinking of getting an ultralight as a low cost way to pursue flying. And I've been wondering, when my instructor finally signs me off for a solo flight, am I allowed to do that in an ...
0 votes
5 answers
325 views

How/why does engine torque and horsepower affect aircraft speed? [duplicate]

I'm curious as to why torque and horsepower affect an aircraft's speed. AFAIK, it's only the engines RPM that affect speed, right? Does this mean an engine's torque/horsepower only affects the speed ...
0 votes
0 answers
57 views

What's the most cost effective way to keep a PPL current with Ultralights?

I hold an NPPL(m) - which is a UK license for Micro/Ultralights only. I wish to "upgrade" (sadly there is no formal upgrade path) to a PPL so that on occasion, I can hire 4 seaters. My ...
3 votes
6 answers
1k views

Is it possible to power an ultralight airplane with a single-cylinder weed-whacker engine?

Plane: Weighs 200 pounds. 16 FT wingspan, 36in. by 5 in. airfoil Engine: 3,000 RPM, 2 HP Propeller: 4ft with 4 blades and weighs 4 lbs. Is there perhaps an equation that could determine this?
1 vote
1 answer
417 views

Minimum HP for ultralight

What is the minimum HP needed to fly a 200 pound ultralight? I’m looking at a 6.5 HP, 3600 RPM Predator engine, but is that enough?
10 votes
2 answers
3k views

Is careless or reckless operation of an ultralight illegal?

Is flying an ultralight in a careless or reckless manner illegal?
0 votes
1 answer
146 views

Is a 3 seat Microlight build possible?

Many Microlights have weights of no more than 450kg, as that was the old weight limit. Now that the limit is 650kg, it seems to me that would be enough weight to add an extra seat (80kg for the ...
4 votes
0 answers
294 views

What do I need to do to fly a Microlight to France?

I wish to fly a C42 to France from the UK. I can file the flight plan from Skydemon, but I have an NPPL, so I believe I need to obtain permission from French authorities and maybe do other things. ...
2 votes
1 answer
141 views

How do I get rated to fly complex aircraft that are still Microlights?

In the most recent issue of the BMAA magazine, there are new aircraft listed that are still Microlights, but have complex features. These include Autopilot(!), retractable landing gears and even ...
19 votes
5 answers
7k views

What control inputs to make if a wing falls off?

If a wing is severed due to structural damage or from a mid-air collision, what is the best control input to make? I would think opposite aileron and rudder, i.e. if right wing falls off, input full ...
11 votes
2 answers
3k views

Is there anything important to know about flying at ~9000ft for the first time?

When I did my NPPL training, there was a module on flying at minimum altitude, but nothing around high altitude flying, in fact, I've never flown over 3,500ft. This weekend, I intend to fly up to ...
1 vote
1 answer
186 views

Is there a standard traffic pattern altitude for ultralight aircraft?

Many airports publish a Traffic Pattern Altitude. For those that do not, the standard that pilots are expected to fly is 1000' AGL per the Pilot's Handbook of Aeronautical Knowledge. (The AIM and ...
3 votes
1 answer
497 views

Can I learn acrobatics in a Microlight?

Can I learn acrobatics in a Microlight, such as a C42 or Eurofox? I would like to extend my abilities beyond getting from A - B but don't want to get a full PPL. I enjoy unusual attitudes too much :)
0 votes
1 answer
212 views

Are paramotors a good option for someone interested in flying, if so, what kind of regulations apply to them?

I am someone who wants to learn how to fly something, anything that I can ride in because it's just cool, are paramotors cheap and easy to use enough to get from novice to safe pilot in about a year ...
1 vote
2 answers
4k views

What is the maximum takeoff weight allowed for a part 103 ultralight?

What is the max takeoff weight (MTOW) for a part 103 vertical takeoff (VTOL) ultralight? And is the value peak or continuous limit?
1 vote
1 answer
128 views

Are the NPPL minimum annual hours really safe?

I am a Microlight pilot (Ultralight for U.S folks) with an NPPL(m) rating. The minimum requirements for bi-annual license renewal is: 12 hours flying 12 take-offs and landings 1 hour of instruction ...
4 votes
1 answer
1k views

How to calculate the shear centre of a wing?

How is shear centre of a wings calculated? i.e. how can I calculate the wing shear centre of a two spar wing with main spar at 0% of wing chord and rear spar at 75% of wing chord? (Assuming the two ...
0 votes
1 answer
513 views

Can you take off from a country road in a ultralight aircraft?

Can I take off from a country road in a ultralight aircraft (In the USA). I have seen resources online saying yes and no. Does it vary from state to state?
7 votes
3 answers
1k views

How do I obtain permission to fly in surface class E airspace under FAR-103?

I'm a paramotor pilot operating under FAR 103, and I'm trying to determine who I need to ask for permission to fly in class E airspace that extends to the surface and is designated for an airport. For ...
9 votes
3 answers
4k views

Why is the tail group of virtually every airplane swept instead of straight?

Even low performance airplanes like ultralights have their tail group (vertical and horizontal stabilizer with rudder and elevator) swept backwards knowing fully well that a straight tail group will ...
1 vote
0 answers
62 views

What are lateral boundaries? [duplicate]

In regard to: 103.17 OPERATIONS IN CERTAIN AIRSPACE No Person may operate an ultralight vehicle within Class A, Class B, Class C, or Class D airspace or within the lateral boundaries of the surface ...
2 votes
2 answers
708 views

Should I add balloons in my Ultralight wing to help it float if I land in the water?

I like to fly over rivers and lakes in my ultralight. One of the things that scares me the most is if my engine died, I might drown down in the depths of the water as I egressed out of my ultralight. ...
2 votes
0 answers
231 views

What do you need to have onboard for flights with an ultralight/sport aircraft over water (Atlantic, Pacific)? Life raft possible (weight/size)?

Remark: For us in Germany an UL is a 2 seater with 470/600kg MTOW. AFAIK those are named Light Sport Aircraft in the US/Australia. Example: https://en.wikipedia.org/wiki/Ikarus_C42 What do you use if ...
1 vote
1 answer
332 views

Do the NPRMs & Final Rules preceding 1993 "alphabet" airspace re-designation indicate that these phrases were meant to exclude Class E "extensions"?

Note-- this question is specifically about the content in the rule-making documents leading up to the September 16 1993 "alphabet" airspace re-designation, which is when the terms "...
16 votes
4 answers
4k views

What callsign should an ultralight use?

I plan to operate an ultralight aircraft domestically (in Oregon, USA) in uncontrolled airspace and will not venture out of the country nor will I come near the Canadian or Mexican borders. I have ...
3 votes
2 answers
1k views

How can an ultralight be slowed down for landing in a tailwind?

When flying an ultra light and I have a tail wind, and, with the engine at idle how do I slow down to land ?
4 votes
1 answer
500 views

Is it legal to hire a test pilot to conduct the first flight of a homebuilt ultralight in the United States?

Is it legal in the United States to hire a test pilot to conduct the first flight(s) of a homebuilt ultralight? This seems like a bit of a grey area- FAR 103.1(b) states that an ultralight aircraft is ...
5 votes
1 answer
188 views

Do UL aircraft complying with LTF-UL need to copy an existing design pattern?

With my current pipe dream being to get physically involved in aviation instead of only theoretically, I looked into the regulations for ultralight planes in Germany. On multiple occasions in the ...
2 votes
1 answer
171 views

Do ultralights registered in Germany require an annual inspection?

I'm trying to find out how the German Ultralight aircraft ongoing inspections system works - do German registered Ultralight need to be inspected annually before they can then be operated for a ...
0 votes
3 answers
816 views

Is Peter Sripol’s Mk4 ultralight design safe and/or practical? [closed]

I recently rewatched Peter Sripol’s Mk4 ultralight video Obviously, the aircraft flew, but I have several questions as a result. First and foremost, is a vinyl-covered ...
7 votes
4 answers
3k views

Is a VW Beetle engine a good choice for a light two-seat aircraft build? [duplicate]

What do you think of an air cooled Volkswagen engine for building a light two-seat airplane? This is probably the only engine I can get my hands on that needs no reduction gear and has enough HP. ...
4 votes
2 answers
3k views

How strong would a servo motor need to be to power the control surfaces of a fixed wing ultralight aircraft?

I'm looking to build an ultralight aircraft. The video above shows a good example of how one is controlled with wires or with metal fulcrums/levers, but I am ...
3 votes
1 answer
217 views

In the US, can airspace simultaneously be E2 and E4? What happens at KSTC to the airspace in the dashed magenta boundary when the tower closes?

In the US, can the same airspace simultaneously be E2 and E4? Consider the case of KSTC -- St. Cloud Regional Airport, MN. http://vfrmap.com/?type=vfrc&lat=45.546&lon=-94.059&zoom=10 On ...
0 votes
1 answer
346 views

I'm trying to replace the Colomban CRI CRI engines with twin 72v 3000w dc electric motor. Will the plane fly?

This is the 72V 300W DC motor: (source)
2 votes
2 answers
1k views

Can an ultralight be flown at night or IFR?

In Canada, can an ultralight be flown at night or IFR by a PPL pilot with a night flying or IFR endorsement if the ultralight is equipped for night flying or IFR ( eg. heated pitot tube, nav lights, ...
12 votes
1 answer
2k views

Why do tail dragging seaplanes not exist?

I am in the process of starting to build an ultralight that will be a tail dragger with floats, and in my conversations with the fellows I'm building it with, we've realized we've never seen a plane ...
2 votes
1 answer
219 views

Are vortex generators considered high lift devices on US ultralights?

Are US ultralights allowed to have vortex generators? I understand US ultralights are required to have a landing speed of 28mph without the use of high lift devices. I understand this is so that the ...
12 votes
5 answers
13k views

Which parts of class E airspace can an ultralight (part 103) fly in without prior ATC authorization?

I'd like to clarify a very specific statement from 14 CFR Part 103: 103.17 OPERATIONS IN CERTAIN AIRSPACE No Person may operate an ultralight vehicle within Class A, Class B, Class C, or Class D ...
3 votes
1 answer
844 views

What indication has the FAA given that phrases like "surface area of Class E airspace designated for an airport" do or don't include E4 "extensions"?

This question pertains to the airspace of the USA. The dashed magenta shape on the sectional chart around KGUP depicts the horizontal extent of the Class-E-to-surface at KGUP. Inside this perimeter, ...
2 votes
1 answer
822 views

Can a single seater airplane fly with 50 lbs of thrust

An airplane with 10 sq meters of wing five meters fuselage and including one person. can it fly with 50 lbs of thrust? And the max weight is 400 lbs
-1 votes
1 answer
119 views

Can we get 0:40 thrust to weight ratio from three small engines

Because I have an engine of 13 hp four stroke 1 cylinder that pulls about 0:20 T/W ratio. and is it possible to multiply the thrust by two? Using two more small engines which is 6.5 hp each on the ...
6 votes
3 answers
665 views

Would FAR 91.227, or any other regulation, forbid use of ADS-B-out in an unregistered ultralight?

In the US, would FAR 91.227, or any other regulation or law, forbid use of ADS-B-out in an unregistered ultralight? Could the N-number field simply be left blank, without violating any regulation or ...
10 votes
2 answers
945 views

What is the primary reason that the non-towered airports ACV, TVL, SGU, BIH, and SIT/PASI have E4 extensions to E2 airspace?

NOTE-- this question is not about why it was desired to protect the airspace that ended up within the E4 "extensions". Rather, this question is about why that was done by designating that ...
12 votes
1 answer
896 views

In the United States, are ultralights legally considered aircraft?

I sometimes hear it stated that in the United States, ultralight vehicles are not legally considered to be aircraft. For example, Wikipedia used to state: In the United States ultralights are ...