Zlín Z 42

The Zlín Z 42 is a single-engine two-seat Czechoslovakian trainer aircraft manufactured by Moravan Otrokovice. A developed version, the Z 142, is the most popular aircraft variant in the manufacturer's aircraft line.

"Z 42" redirects here. For the television station, see KARZ-TV.
Zlín 42, 142 and 242 series
Moravan Zlín 242L
Role Sport, personal and trainer aircraft
Manufacturer Moravan Otrokovice
First flight 17 October 1967
Introduction 1970
Status Active
Produced 1967-present
Variants Zlín Z 43

Design and development
Zlín Z 42M, tail number SP-AKE (nr 0170).

The aircraft were built by Moravan Aviation, founded in 1934 by Tomáš Baťa in Czechoslovakia.

As a follow-on and replacement for the successful Zlín Trener series of tandem aerobatic trainers, Moravan developed a new family of light aircraft, featuring a side-by-side seat layout, and comprising a two-seat trainer, the Zlín Z 42 and a four-seat trainer/tourer aircraft, the Zlín Z 43. The Z 42 first flew on 17 October 1967,[1] achieving airworthiness certification on 7 September 1970.[2]

The aircraft fuselage center section is of welded steel tube, covered with sheet metal and fiberglass panels. The tailcone is of monocoque construction. The empennage is of sheet metal. The two-spar wings are of all-metal construction. The tricycle landing gear is fixed, with a steerable nosewheel. Designed for aerobatics instruction, it was certified to +6.0 and -4.0 limit maneuvering load factors, and was equipped with full inverted fuel and oil systems, permitting extended inverted flight. The Z 42 is powered by a Walter inverted six-cylinder engine rated at 134 kW (180 hp).

The revised Zlín Z 42M flew in November 1972, with a revised tail taken from the Z 43, and a Constant speed propeller replacing the variable pitch propeller (where the propeller pitch is controlled by the pilot) of the original Z 42. When early Z 42s were refitted with the new propeller, they were redesignated Z 42 MU.[2]

Zlín Z-142

Development continued, with the Zlín Z 142, featuring a slightly enlarged two-seat airframe based on that of the Z 42 and the more powerful (157 kW (210 hp)) Walter (now LOM) M 337 fuel-injected inverted six-cylinder, supercharged air-cooled engine of the Z 43 replacing the unsupercharged LOM M137 engine of the Z 42. The prototype Z-142 first flew on 29 December 1978.[3]

In the late 1980s, further development work was initiated. The inverted inline engine was replaced with a four-cylinder horizontally-opposed Lycoming IO-360 engine. This variant is designated the Z 242, and is immediately distinguishable by its relatively wide cowling which houses the flat-four engine.

Fernas 142

Licence production of the Z 142 has been carried out in Algeria by ECA Fernas (sometimes known as just Fernas) as the ECA-Fernas 142, complete with aerobatic modifications.[4]

Operational history

Two Z-142s were used by the Liberation Tigers of Tamil Eelam in bombing sorties on the Sri Lankan airforce bases in Sri Lanka in 2007.[5] In October 2008 the Zlíns were also used in an attack on a military base of the Sri Lanka Army, and a power station on the outskirts of the city of Colombo, Sri Lanka.[6][7]

Variants
Zlín Z 42
Zlín Z 42M
Zlín Z 142
A Zlín Z-242L
Zlín Z 242
200 hp (149 kW) [8]
Zlín Z 242L
Fernas 142 / ECA Fernas 142
(ECA - Entreprise de construction aéronautique) Algerian licence production of the Z 142, first flown in 1993.[9][10]
An Algerian built ECA Fernas 142

Operators

Civilian

The aircraft is popular with flying training organizations. One of the largest fleet operators is Sault College of Sault Ste. Marie, Ontario, Canada, which operates twelve 242Ls.[11]

 Hong Kong
  • Government Flying Service [12]

Military
Map with military Zlín Z 42 operators in blue
 Algeria

 Australia

 Bolivia
 Bulgaria
 Cuba
  • Cuban Air Force - Z-142[17]
 Croatia
  • Croatian Air Force and Air Defence - Z-242L[18]
 Czech Republic
 Egypt
 Macedonia
  • Macedonian Air Force - Z-242L[20]
 Mexico
 Peru
 Slovenia
 Yemen
  • Yemen Air Force - Z-242.[21]
 Hungary
Separatist organizations

Specifications (Zlin 42M)

Data from Jane's all the world's aircraft 1975–76[24]

General characteristics

  • Crew: 1 or 2
  • Capacity: (1 pax or student)
  • Length: 7.07 m (23 ft 2 in)
  • Wingspan: 9.11 m (29 ft 11 in)
9.19 m (30 ft) over tip-tanks
  • Height: 2.69 m (8 ft 10 in)
  • Wing area: 13.15 m2 (141.5 sq ft)
  • Airfoil: NACA 632416.5
  • Empty weight: 645 kg (1,422 lb)
  • Max takeoff weight: 970 kg (2,138 lb) normal
920 kg (2,028 lb) aerobatic
  • Fuel capacity: 130 l (34 US gal; 29 imp gal) in wing leading edges
  • Powerplant: 1 × Avia M 137 AZ 6-cylinder inverted air-cooled in-line piston engine, 130 kW (180 hp)
  • Propellers: 2-bladed Avia V 503, 2 m (6 ft 7 in) diameter fully automatic constant-speed propeller

Performance

  • Maximum speed: 226 km/h (140 mph, 122 kn) TAS(aerobatic TOW) at 600 m (1,969 ft) ISA
  • Cruise speed: 215 km/h (134 mph, 116 kn) TAS at 600 m (1,969 ft) ISA
  • Stall speed: 89 km/h (55 mph, 48 kn) flaps down power off
  • Never exceed speed: 315 km/h (196 mph, 170 kn) [25]
  • Range: 530 km (330 mi, 290 nmi) standard fuel
  • Ferry range: 1,200 km (750 mi, 650 nmi) with wingtip fuel tanks
  • Service ceiling: 4,250 m (13,940 ft)
  • g limits: +3.8 -1.5 normal
+6 -3.5 aerobatic
  • Rate of climb: 5.2 m/s (1,020 ft/min)
  • Wing loading: 74 kg/m2 (15 lb/sq ft) normal
70 kg/m2 (14 lb/sq ft)
0.1457 kW/kg (0.0886 hp/lb) aerobatic
  • Take-off run to 15 m (49 ft): 380 m (1,247 ft)
  • Landing run from 15 m (49 ft): 410 m (1,345 ft)

Avionics
VHF radio and IFR instrumentation optional

References
Citations
  1. J W R Taylor 1971, p.32.
  2. J W R Taylor 1980, p,43.
  3. J W R Taylor 1980, p,44.
  4. "Le parc aérien de l'Al Quwwat Aljawwiya Aljaza'eriiya en 2018 et en images - avionslegendaires.net". avionslegendaires.net (in French). 23 April 2018. Retrieved 28 April 2018.
  5. London, Bruce (May 2007). "Flying Tigers rule the air". The Australian. Retrieved 2008-10-29.
  6. Athas, Iqbal (October 2008). "Tigers bomb army base, power station". CNN. Retrieved 2008-10-29.
  7. TamilNet (October 2008). "Tigers launch airstrike in Mannaar, Colombo". Retrieved 2008-10-29.
  8. "Intro to Aerobatics Taught in Zlin Z-242". Flying Magazine. Vol. 126 no. 11. November 1999. p. 69.
  9. "ECA Firnas-142". www.aviationsmilitaires.net (in French).
  10. "L'Algerie veut commercialiser ces avions Safir 43 et Firnas 142 (m..." Skyrock (in French). 31 October 2007. Retrieved 28 April 2018.
  11. Transport Canada (27 March 2020). "Canadian Civil Aircraft Register". Retrieved 27 March 2020.
  12. "GFS fleet". gfs.gov.hk. Retrieved 12 March 2013.
  13. "Des avions... made in Algeria". Aeronautique.ma. Retrieved 17 January 2016.
  14. Jubbs, Leslie R. (2003). Royal Australian Air Force Air Training Corps : now the Australian Air Force Cadets in Western Australia, 1941 to 2001. [L.R. Jubbs?]. OCLC 223680441.
  15. "Military Aviation". Air-Britain News. Air-Britain. July 2016. p. 1145. ISSN 0950-7442.
  16. Hatch Flight International 29 November–5 December 1989, p. 45.
  17. Flight International 16–22 November 2004, p. 53.
  18. "Hrvatski vojni piloti na češkim avionima" [Croatian military pilots in Czech planes] (in Croatian). Nacional (weekly). 3 April 2006. Archived from the original on 7 July 2012. Retrieved 7 July 2012.
  19. Flight International 16–22 November 2004, p. 54.
  20. Flight International 16–22 November 2004, p. 73.
  21. Jackson 2003, p. 114.
  22. "Zlin Z-242" Archived September 21, 2011, at the Wayback Machine. Ministry of Defence: Slovenian Armed Forces. Retrieved 9 January 2012.
  23. "Hungary purchases light aircraft from Zlin". janes.com. Retrieved 17 January 2017.
  24. Taylor, John W.R., ed. (1975). Jane's all the world's aircraft 1975–76 (66th annual ed.). New York: Franklin Watts Inc. p. 37. ISBN 978-0531032503.
  25. ""EASA TYPE-CERTIFICATE DATA SHEET: EASA.A.027: Z 42 Series". European Aviation Safety Agency, Issue 7, 25 April 2016. Retrieved 25 March 2017.
Bibliography
  • Hatch, Paul. "World's Air Forces 1989". Flight International. No. 29 November–5 December 1989. pp. 37–106.
  • Taylor, John W R (editor) (1971). Jane's All The World's Aircraft 1971-72. London: Sampson Low. ISBN 0 354 00094 2.CS1 maint: extra text: authors list (link)
  • Taylor, John W R (editor) (1980). Jane's All The World's Aircraft 1980-81. London: Jane's. ISBN 0-7106-0705-9.CS1 maint: extra text: authors list (link)
  • Jackson, Paul (2003). Jane's All The World's Aircraft 2003–2004. Coulsdon, UK: Jane's Information Group. ISBN 0-7106-2537-5.
  • "World Air Forces 2004". Flight International. No. 16–22 November 2004. pp. 41–100.
  • ^ Moravan official site. Accessed October 31, 2005.
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