Unbuilt Cessna Citations

[Sentinel Chicken]

Came across another unbuilt Cessna- the Cessna 700 proposed in 1974 as a T-tailed Citation with three engines. Never heard of it before, but I envision something like a cross between a Citation and a Falcon 50!

 

[elmayerle]

The Citation 700 lasted about a year before rising fuel costs killed it. I knew someone who had the misfortune to be hired for that program, only to have it cancelled the day he reported for work.

 

[hesham]

Hi,

the Cessna company planned to develope a three engined versions of
Citation III as Model-600 and Model-700,and that was in 1976.
http://www.flightglobal.com/pdfarchive/view/1976/1976%20-%202183.html

 

[hesham]

Hi,

by the way the Model-700 had T-tail,and the Model-670 was developed
Citation III as intercontinental aircraft (Citation IV) with 5.5-ft longer
wingspan and low-set wing,no fuselage fuel tank,24-inch longer cabin,
24,000 1b. TOGW and 4,000 1b.s.t. TFE731-4 turbofan.

 

[hesham]

Hi,


here is an artist drawing to Cessna Model-700 with T-tail and three engined.


Flieger Revue 2/1975

 

[Stargazer]

Although it was eventually built as the first Citation, the Cessna Model 500 started off as the Fanjet 500 project circa 1968:

 

[Stargazer]

Announced at the 2015 National Business Aviation Association (NBAA) conference with the widest cabin in its class, the Citation Hemisphere was expected to fly in 2019. It was designed for Mach 0.9 and would have a 4,500 nautical miles (8,300 km) range.

In April 2018, development was suspended due to a delay in the development of its Safran Silvercrest engines. It was decided to see how Safran manages the Silvercrest problems before a decision on its continuation was made, or to defer it or to switch to another engine, such as the Pratt & Whitney PW800. In May, Safran announced it had launched a high-pressure compressor redesign for a go-ahead decision by the middle of 2019, after testing, shelving the Hemisphere program if problems cannot be fixed.

On October 15, 2018, fractional operator NetJets announced the purchase of up to 150 Hemispheres, priced at $35 million each, along 175 Citation Longitude, ordered for $26 million each. However, Textron suspended Hemisphere development in July 2019 as its Safran Silvercrest turbofans did not meet objectives. In October 2019, Textron reaffirmed that the project was still suspended, but not terminated. However, nothing ever came of the project after that.

NOTE: the Cessna model number for the Hemisphere is not known, though the fake "N050H" registration on promotional images hints at a possible "Model 1050" designation (but it's only a guess).

 

[Stargazer]

Came across another unbuilt Cessna- the Cessna 700 proposed in 1974 as a T-tailed Citation with three engines. Never heard of it before, but I envision something like a cross between a Citation and a Falcon 50!

The Citation 700 lasted about a year before rising fuel costs killed it. I knew someone who had the misfortune to be hired for that program, only to have it cancelled the day he reported for work.

Note that the designation Cessna Model 700 was reused for the Citation Longitude. Interestingly it is also a t-tailed design.

 

[Stargazer]

Cessna began research on the largest Citation in 2002 with market studies, surveys, concept testing, focus groups and customer advisory boards. A mockup of the large cabin concept was unveiled on October 17, 2006, at the National Business Aviation Association convention.

The Cessna Citation Columbus (Model 850) was formally announced on February 6, 2008 ; FAA certification was planned by the end of 2013, with deliveries beginning in 2014. It would have been the largest model of the family at the time. Powered by 8,830 lbf (39.3 kN) PW810 turbofans and a 4,000 nmi (7,400 km) range, the $27 million aircraft had a 709 sq ft (66 m2), 30° swept wing.

However, Cessna announced on April 29, 2009 that it was suspending the Citation Columbus program, indicating at that time that the program might be restarted once economic conditions improved. The company also indicated that it would lay off 1,600 workers, including up to 700 workers from the Columbus program. On July 8, Cessna reported the cancellation of the program in documents filed with the Securities and Exchange Commission (SEC). Cessna's parent company, Textron wrote off US$43 million as a results of the cancellation. The SEC-filed documents indicate that Cessna spent approximately US$50 million on tooling, facilities and other costs for the project. Most of these costs were unrecoverable and could be used for other projects.

Pratt & Whitney Canada immediately stopped the PW810 engine program, but continued the PW800 series.​

 

[hesham]

Very nice work,and we can say about all of its models are,

Model 500,501,525,526,550,551,552,S550,560,560 XL,600,650,670,680,700,
750 & 850

 

[CraigD]

Although it was eventually built as the first Citation, the Cessna Model 500 started off as the Fanjet 500 project circa 1968:

 

[hesham]

View attachment 774604View attachment 774605

It was first flown in 15 September 1969.

 

[CraigD]

It was first flown in 15 September 1969.

I have a complete Fanjet 500 brochure, dated October 1968, and a Citation brochure dated/revised March 1970. Not sure what is the best way to upload them. They would be pretty big PDF files.

 

[hesham]

I have a complete Fanjet 500 brochure, dated October 1968, and a Citation brochure dated/revised March 1970. Not sure what is the best way to upload them. They would be pretty big PDF files.

Can you divide them into pages ?,and send.

 

[hesham]

Also a small Info.

 

[hesham]

Very nice work,and we can say about all of its models are,

Model 500,501,525,526,550,551,552,S550,560,560 XL,600,650,670,680,700,
750 & 850

I forget Model 561.

 

[Stargazer]

I forget Model 561.

It's the only one I don't have in my list. What was it exactly? A project? Or a built version?

 

[hesham]

It's the only one I don't have in my list. What was it exactly? A project? Or a built version?

It's here;

561 Citation Excel 1995 = 9pClwM rg; two 3785# P&WC 545A; span: 55'9" length: 51'10".

https://www.aerofiles.com/_cessna.html

 

[CraigD]

The full Fanjet 500 Brochure dated October 1968

 

[Stargazer]

The full Fanjet 500 Brochure dated October 1968

Absolutely splendid! Loved it so much more when there were paintings instead of photos, it left a lot more to imagination.
If you have more such goodies, please by all means, keep 'em comin'!!!

 

[CraigD]

Also a small Info.

I would be interested to read that full article. Do you have a link to the full content?

The Cessna Fanjet 500 art I posted showed a 3-window cabin and so does that N500CC first flight photo in the article. However, the Fanjet 500 brochure I posted above shows a 4-window cabin, which was the Citation production cabin configuration. Stargazer's post of the "N500FJ" artwork shows a 4-window cabin, too. The Citation 4th flight photo I posted in the Cessna Model Numbers thread must be of the 3-window configuration, but the angle of the photo hides the aft part of the cabin. An interesting progression of the marketing vs. actual 1st prototype configuration and the eventual production cabin.

 

[CraigD]

I would be interested to read that full article. Do you have a link to the full content?

The Cessna Fanjet 500 art I posted showed a 3-window cabin and so does that N500CC first flight photo in the article. However, the Fanjet 500 brochure I posted above shows a 4-window cabin, which was the Citation production cabin configuration. Stargazer's post of the "N500FJ" artwork shows a 4-window cabin, too. The Citation 4th flight photo I posted in the Cessna Model Numbers thread must be of the 3-window configuration, but the angle of the photo hides the aft part of the cabin. An interesting progression of the marketing vs. actual 1st prototype configuration and the eventual production cabin.

Actually, the 3-window vs. 4-window may not be that mysterious. The main cabin door, just forward of the left wing root, did not have a window in it at first. The right side of the airplane had 4 windows. The most forward window on the right was also an emergency exit hatch. I will post a Citation brochure over on the Cessna Model Numbers thread, if it will upload.