Yakovlev Yak-77
{{Short description|Russian regional airliner project}}
| {{Infobox aircraft begin
| name=Yakovlev Yak-77 | image= | caption= }}{{Infobox aircraft type | type=Short-range airliner | national origin=Russia | manufacturer=Yakovlev | designer= | first flight= | introduced=1993 | retired= | status= Project only | primary user= | more users= | produced= | number built=0 | program cost= | unit cost= | developed from= | variants with their own articles= }} |
The Yakovlev Yak-77 was a planned commuter jet that was under construction during the 1990s, but no prototype was ever produced.{{cite book |last1=Gordon |first1=Yefim |last2= Gunston |first2=Bill |title=Yakovlev aircraft since 1924 |date=1997 |publisher=Putnam |location=London |isbn=0851778720 |edition=1st |page=213}}
History
Development
{{expand section|date=April 2025}}
The construction of the Yak-77 occurred throughout the 1990s. It was predicted to be completed during 1997.{{cite book |last1=Grant |first1=Tina |title=International directory of company histories. Vol. 15. |date=6 August 1996 |publisher=St. James Press |isbn=978-1558622180}}
Specifications (Yak-77)
{{Aircraft specs
|ref=Yakovlev aircraft since 1924
|prime units?=met
|crew=2
|capacity=8 to 32 passengers
|length m=20.45
|length note=
|span m=21.55
|span note=
|height m=
|height note=
|wing area sqm=55
|wing area note=~
|aspect ratio=
|airfoil=
|empty weight kg=
|empty weight note=
|gross weight kg=
|gross weight note=
|max takeoff weight kg=25234
|max takeoff weight note=
|fuel capacity=
|more general=
|eng1 number=2
|eng1 name=Allison AE 3010/12
|eng1 type=turbofan engines
|eng1 lbf=9920
|eng1 note=
|prop blade number=
|prop name=
|prop dia m=
|prop dia note=
|max speed kmh=800
|max speed note=
- Max operating Mach no.: M0.8
- 'Economical cruise Mach no.: M0.75 / {{cvt|800|km/h|mph kn}} at {{cvt|12500|m|0}} up
|cruise speed kmh=
|cruise speed note=
|stall speed kmh=
|stall speed note=
|never exceed speed kmh=
|never exceed speed note=
|minimum control speed kmh=
|minimum control speed note=
|range km=10000
|range note=with 8 pax
::::{{cvt|6000|km|mi nmi}} with 32 pax
|combat range km=
|combat range note=
|ferry range km=
|ferry range note=
|endurance=
|ceiling m=12500
|ceiling note=
|g limits=
|roll rate=
|climb rate ms=
|climb rate note=
|time to altitude=
|wing loading kg/m2=
|wing loading note=
|fuel consumption kg/km=
|power/mass=
|more performance=
- Balanced runway length: {{cvt|2200|m|0}}
|avionics=
}}
References
{{reflist}}
See also
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|related=
|similar aircraft=
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{{Yakovlev aircraft}}