Cessna Citation Longitude

Last updated
Model 700 Citation Longitude
N336ML (3 Nov 2023).jpg
RoleCorporate Jet
National originUnited States
Manufacturer Textron Aviation
First flightOctober 8, 2016 [1]
IntroductionOctober 2019 [2]
StatusIn production
ProducedSeptember 2019 – present
Number built100 (May 2023) [3]
Developed from Cessna Citation Latitude
Developed into Cessna Citation Hemisphere

The Cessna Citation Longitude is a business jet produced by Cessna, part of the Cessna Citation family. It remains the largest business jet by Cessna. Announced at the May 2012 EBACE, the Model 700 made its first flight on October 8, 2016, with certification obtained in September 2019. The aluminum airframe has the fuselage cross-section of the Citation Latitude, stretched by a seat row. Powered by Honeywell HTF7000 turbofans, it has a new ~28° swept wing and a T-tail for a 3,500 nmi (6,500 km) range.

Contents

Design

Flat-floor cabin EBACE 2023, Le Grand-Saconnex (EB237582) (cropped).jpg
Flat-floor cabin

The project is perceived as the follow-on development to the now-canceled Cessna Citation Columbus. Its fuselage cross-section (83.25-inch [211.5 cm] circular section) is the same as the Cessna Citation Latitude. The aircraft has a T-tail empennage and area rule fuselage contouring. The aluminum wings incorporate moderate winglets. Construction is aluminum for both wing and fuselage. The cabin is 7 inches (18 cm) shorter and 6 inches (15 cm) narrower than the Columbus design. [4]

Initially, the Snecma Silvercrest engine was selected to power the aircraft, [5] however the production model is powered by Honeywell HTF7000 turbofans. [6] The Silvercrest was planned for the larger Citation Hemisphere, but Textron suspended its development in July 2019 as the turbofan did not meet objectives. [7]

Its wings and empennage are similar to the Hawker 4000 with winglets leading to a 5.3 feet (1.6 m) larger wingspan. The moderately super-critical wing have a quarter-chord sweep of 26.8° for its inner section and 28.6° for the outer section. The six-passenger Latitude fuselage has been reinforced and stretched by another row of seats to accommodate eight people in double club. The manufacturer has not announced the final design weights (as of May 2016); BCA estimates a 24,000–25,000-pound (10,900–11,300 kg) basic operating weight. Cabin height is 6.0 ft (1.8 m), width is 6 ft 5 in (1.96 m), floor width is 4 ft 1 in (1.24 m) and cabin length is 25 ft (7.6 m). [8]

After a takeoff at 31,150 lb (14,130 kg), 8,350 lb (3,790 kg) below the 39,500 lb (17,900 kg) MTOW, the climb rate is 2,550 ft/min (13.0 m/s) at FL200. At its Mach 0.83, 473 kn (876 km/h) TAS max cruise, fuel flow per side is 860–880 lb (390–400 kg) per hour at FL430 and ISA -4. [9] A M0.79 long range cruise would burn 1,820 lb (830 kg) per hour at a 451 kn (835 km/h) true airspeed for a 38,001 lb (17,237 kg) aircraft, and 2,122 lb (963 kg) per hour at its M0.84 MMO - 477 kn (883 km/h) TAS. [10]

Development

Inflight, gear down Cessna Citation Longitude N807QS.jpg
Inflight, gear down
Announcement of the 100th delivery at EBACE 2023 EBACE 2023, Le Grand-Saconnex (EB237576).jpg
Announcement of the 100th delivery at EBACE 2023

Announced at the May 2012 EBACE and scheduled for introduction in 2017. [11] The first flight-test aircraft completed its first flight on October 8, 2016. [1] The second flew in November, and in March 2017 the third, used to develop avionics and systems and to collect flight simulator data before two others will join the test program. The two aircraft completed 125 flights for more than 250 hours as production of the aircraft commenced at Textron Aviation's Wichita, Kansas facility. [12]

Less than eight months after the first flight and after more than 200 missions for nearly 400 hours, on track for certification later in 2017, the fourth prototype joined the flight-test program on May 6, fully outfitted for interior, environmental control system, pressurization and cabin technologies evaluation. [13] The first production unit was rolled out on June 13, 2017, as the four test aircraft have flown 550 hours and a fifth aircraft will join in summer 2017. [14] In October 2017, test aircraft have completed more than 1,200 flight hours over 600 flights, for a certification expected by the end of 2017 or in early 2018. [15]

In February 2018, as the five aircraft accumulated over 1,000 flights and 2,000 hours, US approval and customer deliveries of the US$27 million jet were expected before the end of the second quarter before European validation six months later. [16] After 3,000 hours on five aircraft, flight testing will conclude by early June 2018, and 200,000 pages of documentation will be completed after a month. [17] As testing has doubled for certification, expanding related documentation, it is expected in the third quarter of 2018 with deliveries from late in this quarter or early in the fourth, less than a year after originally planned. [18] It received a partial exemption for fuel tank flammability requirements applicable through January 2020 to keep its third-quarter approval goal, but a compliance plan had to be submitted by October 1, 2018. [19]

On October 15, 2018, fractional operator NetJets announced the purchase of up to 175 Longitudes, sold for $26 million each, along 150 Citation Hemispheres, priced at $35 million. [20] After 4,050 hours in 1,650 test flights, the Longitude received a provisional FAA type certification on December 20, allowing deliveries in early 2019. [21] The fuel tank flammability requirements were addressed on December 5, with airplanes to be delivered having the definitive installation but limiting it for high elevation airport or RVSM operations, and restricting maintenance. [22] The provisional type certification allowed to begin customer training flights and Textron expects certification in February 2019, while deliveries to NetJets should begin in the third quarter. [23]

On September 21, 2019, the FAA granted its Type Certification. [24] It came after 6,000 flight hours, 11,000 test points and a 31,000 nmi (57,000 km) world tour. [25] The first was shipped in early October. [2] On December 31, 2019, NetJets took delivery of its first Longitude from its order for 150, expecting to enter service early in the first quarter of 2020. [26]

Textron Aviation announced EASA certification of the Citation Longitude on July 13, 2021. [27] In 2023, its equipped price was $29.995M. [28] The 100th Longitude was delivered in May 2023. [3]

Operators

Flag of Japan.svg  Japan
Flag of Turkey.svg  Turkey

Specifications

Data from "Citation Longitude Specifications". Textron Aviation.

General characteristics

Performance

Avionics

See also

Related development

Aircraft of comparable role, configuration, and era

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References

  1. 1 2 "Revolutionary Cessna Citation Longitude takes to the skies" (Press release). Textron aviation. October 8, 2016.
  2. 1 2 Kate Sarsfield (2 Oct 2019). "Cessna Citation Longitude enters service". Flightglobal.
  3. 1 2 O'Connor, Kate (29 May 2023). "100th Cessna Citation Longitude Produced". AVweb. Archived from the original on 30 May 2023. Retrieved 30 May 2023.
  4. ↑ Fred George (14 May 2012). "Cessna Unveils Citation Longitude". Aviation Week & Space Technology .
  5. ↑ "Citation Latitude Preliminary Specification & Description". Cessna. February 2012. Archived from the original on 2016-03-06. Retrieved 2016-04-29.
  6. ↑ "Cessna showcases new Citation Longitude at NBAA 2015; announces large cabin Citation Hemisphere" (Press release). Cessna. 16 November 2015.
  7. ↑ Michael Gubisch (17 July 2019). "Textron suspends Cessna Hemisphere programme". Flightglobal.
  8. ↑ Fred George (7 March 2016). "Cessna Citation Longitude About to Take Off". Business & Commercial Aviation.
  9. ↑ Matt Thurber (October 23, 2018). "Pilot Report: Citation Longitude". AIN online.
  10. ↑ Mike Gerzanics (25 February 2021). "Why Cessna's flagship Longitude is degrees better". Flightglobal.
  11. ↑ "Cessna Announces Long-Range Citation Business Jet" (Press release). Cessna. May 14, 2012.
  12. ↑ Grady, Mary (20 March 2017). "Textron Starts Longitude Production". AVweb.
  13. ↑ Kerry Lynch (May 9, 2017). "Textron's Fourth Longitude Takes To Skies". Aviation International News.
  14. ↑ "Textron Aviation rolls out first production Cessna Citation Longitude, introduces advanced manufacturing technologies to super-midsize market" (Press release). Cessna. June 13, 2017.
  15. ↑ Molly McMillin (Oct 11, 2017). "Cessna Latitude 'A Billion Dollar Business'". Aviation Week Network.
  16. ↑ Kate Sarsfield (27 Feb 2018). "Textron Aviation closes in on Citation Longitude certification". Flightglobal.
  17. ↑ Ian Sheppard (May 28, 2018). "Citation Longitude Poised to Complete Flight-test Campaign". Aviation International News.
  18. ↑ Kerry Lynch (July 18, 2018). "Tackling New FAA Process, Textron Eyes 3Q Longitude Nod". AIN online.
  19. ↑ Kerry Lynch (August 28, 2018). "Temporary Exemption Clears Hurdle for Longitude FAA Nod". AIN online.
  20. ↑ Stephen Pope (October 15, 2018). "NetJets Inks Massive Deal for Cessna Citation Jets". Flying magazine.
  21. ↑ "Cessna Citation Longitude achieves provisional type certification" (Press release). Textron Aviation. December 20, 2018.
  22. ↑ Jerry Siebenmark (December 20, 2018). "Textron Gets Provisional Type Certificate for Longitude". AIN online.
  23. ↑ Kate Sarsfield (25 Jan 2019). "Cessna eyes Longitude approval, despite US government shutdown". Flightglobal.
  24. ↑ "Type Certificate Data Sheet No. T00015WI" (PDF). Federal Aviation Administration. February 15, 2022.
  25. ↑ "Cessna Citation Longitude business jet receives FAA Type Certification" (Press release). Textron Aviation. September 23, 2019.
  26. ↑ Kate Sarsfield (6 January 2020). "NetJets takes delivery of its first Citation Longitude". Flightglobal.
  27. ↑ O'Connor, Kate (2021-07-14). "Citation Longitude Earns EASA Certification". AVweb. Retrieved 2021-07-16.
  28. ↑ "Purchase planning handbook - Jets table". Business & Commercial Aircraft. Second Quarter 2023.
  29. 1 2 Willis, Dave (August 2022). "Special missions debut in Japan". Air International . pp. 8–9. ISSN   0306-5634.
  30. 1 2 Thomas B Haines (November 1, 2018). "Exploring new Longitudes - Textron goes big-cabin with its newest Citation". AOPA.
  31. 1 2 Ian Sheppard (February 27, 2018). "Textron Shows Off Longitude's Quiet Cabin". AIN.
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