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{{Short description|German light aircraft}}
{{Use dmy dates|date=October 2022}}
{{Use British English|date=October 2022}}
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{|{{Infobox aircraft begin
{|{{Infobox aircraft begin
|name=Grob G 120
|name= Grob G 120
|image=Grob G 120A Take Off.jpg
|image= File:Grob G120A (cropped).jpg
|caption=[[Lufthansa]] Grob G 120A at the [[Airline Training Center Arizona|Lufthansa Airline Training Center Arizona]]
|caption= A Grob G 120A from a Canadian flight school
}}{{Infobox aircraft type
}}{{Infobox aircraft type
|type=[[Trainer (aircraft)|Trainer]]
|type= [[Trainer (aircraft)|Trainer]]
|national origin=[[Germany]]
|national origin= Germany
|manufacturer=[[Grob Aircraft]]
|manufacturer= [[Grob Aircraft]]
|designer=
|designer=
|first flight=1999
|first flight= 1999
|introduced=
|introduced=
|retired=
|retired=
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|produced= 1999-present
|produced= 1999-present
|number built=
|number built=
|developed from = [[Grob G 115]]
|developed from= [[Grob G 115]]
|variants with their own articles= [[Grob G 120TP]]
|variants with their own articles= [[Grob G 120TP]]
}}
}}
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The '''Grob G 120''' is a two-seat training and [[aerobatic]] low-wing aircraft with a carbon [[composite materials|composite]] airframe, built by [[Grob Aircraft]]. It is based on the Grob [[Grob G 115|G 115TA]] training aircraft and is specially designed for military and civil pilots training. It has a tricycle landing gear and a low [[tailplane]].
The '''Grob G 120''' is a two-seat training and [[aerobatic]] low-wing aircraft with a carbon [[composite materials|composite]] airframe, built by [[Grob Aircraft]]. It is based on the Grob [[Grob G 115|G 115TA]] training aircraft and is specially designed for military and civil pilots training. It has a tricycle landing gear and a low [[tailplane]].


==Design and development ==
==Design and development==
The airframe is made of [[carbon fibre reinforced plastic]] and is stressed to +6/-4g. Its minimum service life is just over 15,000 flight hours.{{Citation needed|date=February 2012}}
The airframe is made of [[carbon fibre reinforced plastic]] and is stressed to +6/-4g. Its minimum service life is just over 15,000 flight hours.<ref name=":0">{{Cite web |title=G 120TP - GROB AIRCRAFT SE |url=https://grob-aircraft.com/en/g-120tp.html |access-date=2023-11-07 |website=grob-aircraft.com}}</ref>


The cockpit provides room for students wearing military equipment and helmets. The plane is equipped with movable seats and rudder pedals and an air conditioning system. A second thrust lever is available.{{Citation needed|date=February 2012}}
The cockpit provides room for students wearing military equipment and helmets. The plane is equipped with movable seats and rudder pedals and an air conditioning system.{{Citation needed|date=November 2023}} A second thrust lever is available.<ref name=":0" />


==Variants==
==Variants==
;{{visible anchor|G 120A}}
;{{visible anchor|G 120A}}
:Piston powered version with a [[Lycoming O-540|Lycoming AEIO-540-D4D5]] six cylinder, [[four-stroke]], air-cooled piston [[aircraft engine]] producing {{convert|260|hp|kW|0|abbr=on}}.<ref name="Grob120A">{{cite web|url = http://www.grob-aircraft.eu/basic-information-12.html|title = The basic training aircraft success story |accessdate = 20 March 2012|last = Grob Aircraft|author-link = Grob Aircraft|date = n.d.}}</ref>
:Piston powered version with a [[Lycoming O-540|Lycoming AEIO-540-D4D5]] six cylinder, [[four-stroke]], air-cooled piston [[aircraft engine]] producing {{convert|260|hp|kW|0|abbr=on}}.<ref>{{Cite web |title=G 120A: High-performance training and aerobatics |url=https://grob-aircraft.com/en/g-120-general.html?file=files/content/PDFs/G120A/G120A_Spec_Sheet_R1.pdf |access-date=November 7, 2023 |website=Grob Aircraft |format=PDF}}</ref>


;[[G 120TP]]
;[[G 120TP]]
:[[Turboprop]] powered version with a [[Allison Model 250|Rolls Royce 250-B17F]] aircraft engine producing {{convert|456|shp|kW|0|abbr=on}} for take-off.<ref name="Grob120TP">{{cite web|url = http://www.grob-aircraft.eu/basic-information.html|title = G 120 TP – The intelligent training solution of the 21st century|accessdate = 20 March 2012|last = Grob Aircraft|author-link = Grob Aircraft|date = n.d.}}</ref>
:[[Turboprop]] powered version with a [[Allison Model 250|Rolls-Royce 250-B17F]] aircraft engine producing {{convert|456|shp|kW|0|abbr=on}} for take-off and 380 shp (283 kW) for maximum cruise.<ref name=":0" />


==Operators==
==Operators==
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* [[German Air Force]]: 6<ref name="grob op"/>
* [[German Air Force]]: 6<ref name="grob op"/>
;{{ISR}}
;{{ISR}}
* [[Israeli Air Force]]: 17<ref name="grob op"/><ref name="IAF Crash">[https://www.israelhayom.com/2020/11/24/2-killed-in-plane-crash-in-southern-israel/ IDF confirms Air Force pilot, cadet killed in training mission]</ref>
* [[Israeli Air Force]]: 17<ref name="grob op"/><ref name="IAF Crash">[https://www.israelhayom.com/2020/11/24/2-killed-in-plane-crash-in-southern-israel/ IDF confirms Air Force pilot, cadet killed in training mission]</ref> The ''Snunit'' used by the IAF has a [[Lycoming O-540|Lycoming AEIO-540-D4D5]] engine that produces a maximum speed of {{convert|235|km/h|kn|0|abbr=on}}.<ref name="#2400">{{cite news |url=https://www.iaf.org.il/901-20575-en/IAF.aspx?indx=1 |publisher=Israeli Air Force |title=GROB G-120A (Hebrew nickname: 'Snunit' ('Swallow')) }}</ref>
;{{KEN}}
;{{KEN}}
* [[Kenyan Air Force]]: 6<ref name="grob op"/>
* [[Kenya Air Force]]: 6<ref name="grob op"/>


==Specifications (G 120A)==
==Specifications (G 120A)==
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|max takeoff weight lb=
|max takeoff weight lb=
|max takeoff weight note=(Utility)<ref name="Specs">{{cite web|url = http://www.grob-aircraft.eu/technical-specification-13.html|title = Grob 120A Technical Specifications |accessdate = 20 March 2012|last = Grob Aircraft|author-link = Grob Aircraft|date = n.d.}}</ref>
|max takeoff weight note=(Utility)<ref name="Specs">{{cite web|url = http://www.grob-aircraft.eu/technical-specification-13.html|title = Grob 120A Technical Specifications |accessdate = 20 March 2012|last = Grob Aircraft|author-link = Grob Aircraft|date = n.d.}}</ref>
|fuel capacity={{convert|256|l}}
|fuel capacity={{convert|256|L}}
|more general=
|more general=
<!--
<!--
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|related=<!-- related developments -->
|related=<!-- related developments -->
* [[Grob G 115]]
* [[Grob G 120TP]]
|similar aircraft=<!-- similar or comparable aircraft -->
|similar aircraft=<!-- similar or comparable aircraft -->
* [[Aermacchi SF.260]]
* [[Aermacchi SF.260]]
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* [[PAC CT/4 Airtrainer]]
* [[PAC CT/4 Airtrainer]]
* [[Socata TB-31 Omega]]
* [[Socata TB-31 Omega]]
|sequence=<!-- designation sequence, if appropriate -->

|lists=<!-- related lists -->
|lists=<!-- related lists -->

|see also=<!-- other relevant information -->
|see also=<!-- other relevant information -->
}}
}}


==References==
==References==
{{Reflist|30em}}
{{Reflist}}


* Grob G 115,120 and 140 Information brochure and Technical Datasheet (Grob Aerospace Sales Department, 2004)
* Grob G 115,120 and 140 Information brochure and Technical Datasheet (Grob Aerospace Sales Department, 2004)

Latest revision as of 11:46, 7 November 2023

Grob G 120
A Grob G 120A from a Canadian flight school
Role Trainer
National origin Germany
Manufacturer Grob Aircraft
First flight 1999
Status Active in production
Primary users French Air and Space Force
Israeli Air Force
Royal Canadian Air Force
German Air Force
Produced 1999-present
Developed from Grob G 115
Variants Grob G 120TP

The Grob G 120 is a two-seat training and aerobatic low-wing aircraft with a carbon composite airframe, built by Grob Aircraft. It is based on the Grob G 115TA training aircraft and is specially designed for military and civil pilots training. It has a tricycle landing gear and a low tailplane.

Design and development

[edit]

The airframe is made of carbon fibre reinforced plastic and is stressed to +6/-4g. Its minimum service life is just over 15,000 flight hours.[1]

The cockpit provides room for students wearing military equipment and helmets. The plane is equipped with movable seats and rudder pedals and an air conditioning system.[citation needed] A second thrust lever is available.[1]

Variants

[edit]
G 120A
Piston powered version with a Lycoming AEIO-540-D4D5 six cylinder, four-stroke, air-cooled piston aircraft engine producing 260 hp (194 kW).[2]
G 120TP
Turboprop powered version with a Rolls-Royce 250-B17F aircraft engine producing 456 shp (340 kW) for take-off and 380 shp (283 kW) for maximum cruise.[1]

Operators

[edit]
One of six G 120A of the Kenya Air Force
Grob G-120A badge worn by a Canadian military student pilot from 3 CFFTS
Grob G120A used by RCAF
 Canada
 France
 Germany
 Israel
 Kenya

Specifications (G 120A)

[edit]

Data from Jane's All The World's Aircraft 2003–2004[7]

General characteristics

  • Crew: Two
  • Length: 8.605 m (28 ft 3 in)
  • Wingspan: 10.19 m (33 ft 5 in)
  • Height: 2.57 m (8 ft 5 in)
  • Wing area: 13.29 m2 (143.1 sq ft)
  • Airfoil: Eppler E884
  • Empty weight: 960 kg (2,116 lb)
  • Gross weight: 1,440 kg (3,175 lb)
  • Max takeoff weight: 1,490 kg (3,285 lb) (Utility)[8]
  • Fuel capacity: 256 litres (56 imp gal; 68 US gal)
  • Powerplant: 1 × Lycoming AEIO-540-D4D5 air-cooled flat-six, 190 kW (260 hp)
  • Propellers: 3-bladed Hartzell HC-C3YR-1RF/F7663R, 1.98 m (6 ft 6 in) diameter [8]

Performance

  • Maximum speed: 319 km/h (198 mph, 172 kn)
  • Cruise speed: 307 km/h (191 mph, 166 kn) at 75% power (1,500 m (5,000 ft))
  • Stall speed: 102 km/h (63 mph, 55 kn) with full flaps
  • Never exceed speed: 435 km/h (270 mph, 235 kn)
  • Range: 1,540 km (960 mi, 830 nmi) at 8,000 ft (2,400 m) and 45% power)
  • Endurance: 6.35 hours at 10,000 ft and maximum endurance power setting[8]
  • Service ceiling: 5,500 m (18,000 ft)
  • g limits: +6/-4G
  • Rate of climb: 6.5 m/s (1,280 ft/min)

Avionics

See also

[edit]

Related development

Aircraft of comparable role, configuration, and era

References

[edit]
  1. ^ a b c "G 120TP - GROB AIRCRAFT SE". grob-aircraft.com. Retrieved 7 November 2023.
  2. ^ "G 120A: High-performance training and aerobatics" (PDF). Grob Aircraft. Retrieved 7 November 2023.
  3. ^ Transport Canada listing of aircraft owned by "Allied Wings"
  4. ^ a b c d e "Fleet Customers". Grob Aircraft. Retrieved 26 February 2022.
  5. ^ IDF confirms Air Force pilot, cadet killed in training mission
  6. ^ "GROB G-120A (Hebrew nickname: 'Snunit' ('Swallow'))". Israeli Air Force.
  7. ^ Jackson 2003, pp. 166–167.
  8. ^ a b c Grob Aircraft (n.d.). "Grob 120A Technical Specifications". Retrieved 20 March 2012.
  • Grob G 115,120 and 140 Information brochure and Technical Datasheet (Grob Aerospace Sales Department, 2004)
  • Jackson, Paul. Jane's All The World's Aircraft 2003–2004. Coulsdon, UK: Jane's Information Group, 2003. ISBN 0-7106-2537-5.
[edit]
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