Direct Fly Alto

The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight class and US light-sport aircraft rules. It features a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear or optionally conventional landing gear and a single engine in tractor configuration.

The aircraft is constructed from aluminum sheet, with a wing that has a span of {{convert|8.10|m|ft|1|abbr=on}} and an area of {{convert|10.14|m2|sqft|abbr=on}}. Standard engines available are the {{convert|80|hp|kW|0|abbr=on}} Rotax 912UL, the {{convert|100|hp|kW|0|abbr=on}} Rotax 912ULS and the {{convert|120|hp|kW|0|abbr=on}} Jabiru 3300 four-stroke powerplants.

A Magnum 501 rocket powered parachute system is under development for the aircraft.{{cite journal|journal=Czech Aviation 2012|title=Alto|page=10}}{{cite web|title=Plane and Pilot directory|url=http://www.planeandpilotmag.com/aircraft/international-aircraft-directory/homebuiltkitbuilt-aircraft/direct-fly-alto.html|accessdate=9 September 2012}}

The Alto TG design was issued a Czech type certificate on 15 July 2008 and produced until 2022. The Alto NG replaced the original model in production in 2022.{{cite web|url= https://directfly.cz/alto-912tg/?lang=en|title= Alto 912 TG|access-date= 19 July 2022|author= Direct Fly s.r.o.|author-link=Direct Fly sro|work= directfly.cz|year= 2022 |archive-url= https://archive.today/20220719203014/https://directfly.cz/alto-912tg/?lang=en|archive-date= 19 July 2022|url-status= live}}{{cite web|url= https://www.laacr.cz/stranky/odbornosti/ultralehke-letouny/typove-prukazy.aspx|title= Typové průkazy|access-date= 19 July 2022|author= Letecká amatérská asociace ČR|work= laacr.cz|archive-url= https://archive.today/20220719202508/https://www.laacr.cz/stranky/odbornosti/ultralehke-letouny/typove-prukazy.aspx|archive-date= 19 July 2022|url-status= live}}{{cite web|url= https://directfly.cz/alto-ng/?lang=en|title= Alto NG|access-date= 19 July 2022|author= Direct Fly s.r.o.|author-link=Direct Fly sro|work= directfly.cz|year= 2022 |archive-url= https://archive.today/20220719203444/https://directfly.cz/alto-ng/?lang=en|archive-date= 19 July 2022|url-status= live}}

In 2011 the design was accepted as a Federal Aviation Administration approved special light-sport aircraft.{{cite web|url = https://www.faa.gov/aircraft/gen_av/light_sport/media/SLSA_Directory.xlsx|title = SLSA Make/Model Directory|accessdate = 9 February 2017|author = Federal Aviation Administration|author-link = Federal Aviation Administration|date = 26 September 2016}}

The Alto NG replaced the original TG model in production in 2022.

The aircraft was introduced to the US light sport market at the 2010 Sun 'n Fun airshow.{{citation |title=Sun n' Fun: Light sport makers set sights on Europe |url=http://www.flightglobal.com/news/articles/sun-n39-fun-light-sport-makers-set-sights-on-europe-340795/ |first=Brendan |last=Sobie |location=Washington DC |date=23 April 2010 |work=flightglobal.com}}

In July 2022 there were five Altos registered with the US Federal Aviation Administration.{{cite web|url = https://registry.faa.gov/aircraftinquiry/Search/MakeModelInquiry|title = Make / Model Inquiry|accessdate = 19 July 2022|author = Federal Aviation Administration|author-link = Federal Aviation Administration|date = 19 July 2022}}

;Alto TG

:Tricycle landing gear version with a {{convert|472.5|kg|lb|0|abbr=on}} gross weight.{{cite web|url = http://www.directfly.cz/index.php?option=com_content&view=category&layout=blog&id=34&Itemid=62&lang=en|title = Specifications|accessdate = 31 May 2012|last = DirectFly|year = 2009}}

;Alto TW

:Tailwheel (conventional gear) model.

;Alto 100

:Version for the American light sport aircraft market.

;Alto NG

:Improved "New Generation" version introduced in 2022. This model has a {{convert|600|kg|lb|0|abbr=on}} gross weight, strengthened nosewheel landing gear leg and fuselage, longer engine mount and cowling for the Rotax 912 ULS engine, plus uses push-pull tubes in place of control cables.

{{Aircraft specs

|ref=Bayerl and Direct Fly

|prime units?=met

|genhide=

|crew=one

|capacity=one passenger

|length m=6.15

|length ft=

|length in=

|length note=

|span m=8.10

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|height m=2.25

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|wing area sqm=10.14

|wing area sqft=

|wing area note=

|aspect ratio=

|airfoil=

|empty weight kg=287

|empty weight lb=

|empty weight note=

|gross weight kg=472.5

|gross weight lb=

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|fuel capacity={{convert|118|L}}

|more general=

|eng1 number=1

|eng1 name=Rotax 912ULS

|eng1 type=four cylinder, liquid and air-cooled, four stroke aircraft engine

|eng1 kw=75

|eng1 hp=

|prop blade number=

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|max speed kmh=245

|max speed mph=

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|cruise speed kmh=210

|cruise speed mph=

|cruise speed kts=

|cruise speed note=

|stall speed kmh=65

|stall speed mph=

|stall speed kts=

|stall speed note=

|never exceed speed kmh=270

|never exceed speed mph=

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|never exceed speed note=

|range km=

|range miles=

|range nmi=

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|endurance=

|ceiling m=

|ceiling ft=

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|g limits=+4/-2

|roll rate=

|glide ratio=

|climb rate ms=5.5

|climb rate ftmin=

|climb rate note=

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|sink rate note=

|lift to drag=

|wing loading kg/m2=46.6

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|avionics=

}}

{{aircontent

|see also=

|related=

|similar aircraft=

• Piper Sport

|lists=

}}

{{reflist}}

{{Commons category|Direct Fly Alto}}

• {{Official website|http://www.directfly.cz/}}

{{DirectFly aircraft}}

Category:2000s Czech ultralight aircraft

Category:Homebuilt aircraft

Category:Light-sport aircraft

Category:Single-engined tractor aircraft

Category:Direct Fly sro aircraft