Advanced Medium STOL Transport (AMST) and its predecessors

Triton · 18 June 2012

Boeing YC-14 cross-section artwork photo found on eBay.

URL:
http://www.ebay.com/itm/85-PLUS-VINTAGE-1970-S-BOEING-CONCEPT-VEHICLE-YC-14-ORIGINAL-MILITARY-PHOTOS-/140776979897?pt=LH_DefaultDomain_0&hash=item20c6f63db9

Triton · 19 June 2012

The seller had 85 photos from the estate of a Boeing engineer. I wonder what other concepts may be hiding in that pile?

Triton · 10 September 2012

Source:
http://www.ebay.com/itm/1976-Boeing-YC-14-Press-Photo-/200764268510?pt=Art_Photo_Images&hash=item2ebe7b9fde
http://www.ebay.com/itm/1975-Artist-Rendering-YC14-Boeing-Wire-Photo-/280945046994?pt=Art_Photo_Images&hash=item4169a135d2
http://www.ebay.com/itm/1973-Boeing-Soft-Take-off-and-Landing-Press-Photo-/200795284351?pt=Art_Photo_Images&hash=item2ec054e37f

Triton · 14 September 2012

Visitors inspected the Boeing YC-14 prototype at Boeing Field today [June 11,. 1976]. The Boeing Aerospace Co. unveiled its revolutionary new military transport, the YC-14 prototype, at Boeing Field today. The powerful, twin-engined transport, about the size of a 727 trijet, was displayed at the Boeing Flight center in a 45-minutes ceremony. Air Force Lt. Gen. James T. Stewart said the new Boeing aircraft or its or its McDonnell Douglas competitor could lead to production of more than 1,000 planes for this nation and foreign countries. "I can visualize a big market potentially commercially adaptable," Stewart said. "But the first step has to be taken by the [United States Air Force]"

Source:
http://www.ebay.com/itm/1976-Boeing-YC-14-Press-Photo-/200762034219?pt=Art_Photo_Images&hash=item2ebe59882b

Triton · 14 September 2012

Photos of the Boeing YC-14 circa 1976.

Source:
http://www.ebay.com/itm/1976-Boeing-YC-14-Boeing-Flight-Center-Press-Photo-/200760545450?pt=Art_Photo_Images&hash=item2ebe42d0aa
http://www.ebay.com/itm/1976-Boeing-YC-14-at-Boeing-Field-Press-Photo-/200764268495?pt=Art_Photo_Images&hash=item2ebe7b9fcf
http://www.ebay.com/itm/1976-Boeing-YC-14-in-flight-Press-Photo-/200760545475?pt=Art_Photo_Images&hash=item2ebe42d0c3
http://www.ebay.com/itm/1976-Boeing-YC-14-Press-Photo-/200760094379?pt=Art_Photo_Images&hash=item2ebe3beeab
http://www.ebay.com/itm/1973-Boeing-YC-14-being-constructed-Press-Photo-/200760545029?pt=Art_Photo_Images&hash=item2ebe42cf05
http://www.ebay.com/itm/1976-Boeing-YC-14-military-plane-Press-Photo-/200762034316?pt=Art_Photo_Images&hash=item2ebe59888c
http://www.ebay.com/itm/1976-Boeing-YC-14-Press-Photo-/200760545570?pt=Art_Photo_Images&hash=item2ebe42d122

Triton · 14 September 2012

http://www.ebay.com/itm/1976-Boeing-YC-14-Seattle-Plant-Press-Photo-/200760545443?pt=Art_Photo_Images&hash=item2ebe42d0a3

Triton · 14 September 2012

Photos of the Boeing YC-14 from the National Museum of the Air Force collection.

Source:
http://www.nationalmuseum.af.mil/photos/media_search.asp?q=yc&page=7
http://www.nationalmuseum.af.mil/photos/media_search.asp?q=YC-14&page=2
http://www.nationalmuseum.af.mil/photos/media_search.asp?q=YC-14&page=1

Stargazer · 14 September 2012

I love that aircraft. Thank you so much for these wonderful pictures!

Stargazer · 14 September 2012

What a treat... Thanks!

hesham · 3 October 2012

By the way,

McDonnell Douglas XC-15 was called D-915;

http://www.dtic.mil/dtic/tr/fulltext/u2/b002859.pdf

Pioneer · 4 October 2012

Great find Hesham!!!

Thanks for sharing ;D

Regards
Pioneer

Stargazer · 4 October 2012

hesham said:
McDonnell Douglas XC-15 was called D-915;

Yes. There were also operational configurations proposed to the AMST System designated as D915B and D915P.

However, the designation "XC-15" is totally inappropriate. It was YC-15A (though plain "YC-15" was often used for promotional purposes).

hesham · 4 October 2012

nugo said:
Hello Friends!
AMST Competition, 5 prorosals:
1) Boeing Model 953-------------YC-14
2) McDonnell-Douglas Model D-?--YC-15
3) Lockheed-Georgia/North American Rockwell Model ?
4) ? Model ?
5) ? Model ?

Thank you my dear Pioneer,

here is,we can say for AMST Competition,5 proposals;

1) Boeing Model 953 (YC-14)
2) McDonnell Douglas D-915B & D-915P (YC-15)
3) Lockheed-Georgia/North American Rockwell LG-203 & D-516
4) General Dynamics Model-?
5) Bell Model-? or D-?

Triton · 23 October 2012

McDonnell Douglas YC-15 model manufactured by Pacific Miniatures (Pacmin) found on eBay.

Source:
http://www.ebay.com/itm/McDonnell-Douglas-YC-15-Military-Aircraft-Display-Model-/251171727388?pt=LH_DefaultDomain_0&hash=item3a7b00681c

Triton · 23 October 2012

McDonnell Douglas YC-15 model manufactured by Pacific Miniatures (Pacmin) found on eBay.

hesham · 3 November 2012

The McDonnell Douglas Model D-915P;

http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0910069&Location=U2&doc=GetTRDoc.pdf

hesham · 12 November 2012

Was this a generic model or General Dynamics AMST design ?.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19760012041_1976012041.pdf

Stargazer · 12 November 2012

I'd go for a Boeing design on this one, personally.

Apophenia · 12 November 2012

hesham said:
Was this a generic model or General Dynamics AMST design ?

Looks more like the General Dynamics design to my eye (based on cockpit glazing and tail shapes). The 'generic' and GD air cushion variant match up fairly well in profile (although the air-cushion type obviously has a longer fuselage)

Triton · 7 December 2012

Boeing YC-14 model manufactured by Pacmin found on ebay.

Source:
http://www.ebay.com/itm/Very-Rare-Factory-Desk-Top-Model-Pacific-Miniatures-YC-14-Boeing-Excellent-/121034027652?pt=LH_DefaultDomain_0&hash=item1c2e30b284

Mark Nankivil · 4 March 2013

Hi All -

Looks somewhat like the YC-15:

http://www.ebay.com/itm/airline-mcdonnell-douglas-aircraft-painting-memorabilia-/281070425431?pt=LH_DefaultDomain_0&hash=item41711a5557

Enjoy the Day! Mark

Triton · 12 March 2013

Nice find, Mark!

flateric · 16 March 2013

Boeing YC-14 patent
http://www.google.com/patents/US4447028.pdf

circle-5 · 19 March 2013

Trio of Boeing C-14 factory models: YC-14 (Camo), C-14A in USAF markings and YKC-14 (KCX) in USMC markings. The KC-14 is equipped with (Qty.2) underwing fuel tanks and (Qty.2) drogue basket refueling pods. U.S. Marines were interested in a STOL KCX tanker, perhaps because a VTOL tanker would have been impractical

.

hesham · 19 March 2013

Great find Circle-5.

Triton · 19 March 2013

Very nice, circle-5. Thank you for sharing!

Pioneer · 19 March 2013

I still think it a great pity that the C-14 was not adopted

Regards
Pioneer

jsport · 20 March 2013

super, great find Circle -5.

Thank you.

circle-5 · 20 March 2013

Y'all are welcome!* Any additional info on the Boeing C-14 KCX tanker variant would be appreciated. All I know is that it was studied in response to a mid-1970s USMC requirement for a new tanker to replace their KC-130s.

This observation from an erudite linguist: y'all is a singular. The plural is all y'all.

Triton · 20 March 2013

Another gorgeous model. Thanks for sharing, circle-5.

jsport · 20 March 2013

wow, ditto the thanks Circle -5

Thank you for sharing again.

flateric · 22 March 2013

while sorting old papers...

flateric · 25 March 2013

Boeing 953-801 as base model and based on it Air Cushion Landing System aircraft

http://contrails.iit.edu/DigitalCollection/1973/AFFDLTR73-019volume06.pdf

Triton · 16 May 2013

Boeing YC-14 model manufactured by Pacmin in silver found on eBay.

URL:
http://www.ebay.com/itm/Vintage-Boeing-YC-14-PacMin-Airplane-Desk-Display-Model-/190839348377?pt=LH_DefaultDomain_0&hash=item2c6ee95c99

Seller's description:

Vintage, original manufacturer desk model of the Boeing YC-14 USAF cargo aircraft. This model was made in 1976 by Pacific Miniatures (PacMin) for Boeing. YC-14 models were made in very small numbers and given to key participants in the program. They were not available to the public. This example has Boeing inventory numbers engraved next to the mounting hole.

Model is in excellent condition, with tiny blemishes consistent with age (see pictures). Nothing is missing, broken or repaired. This is the best YC-14 model I've ever seen. Model is clean, made of resin on a wood & metal base. Approx. dimensions: 16in.L x 16in.W x 10in.H

Triton · 16 May 2013

McDonnell Douglas YC-15 model by Pacmin found on eBay.

URL:
http://www.ebay.com/itm/Vintage-McDonnell-Douglas-YC-15-Airplane-Desk-Display-Model-/190839349505?pt=LH_DefaultDomain_0&hash=item2c6ee96101

Seller's description:

Vintage, original manufacturer desk model of the McDonnell Douglas YC-15 USAF cargo aircraft. This model was made in 1975 by Pacific Miniatures (PacMin) for McDonnell Douglas.These YC-15 models were made in very small numbers for key participants in the program and were not available to the public. Model is in good condition, with minor blemishes consistent with age (see pictures). Nothing is missing, broken or repaired. The model is dirty but cleans up well -- I tried it in a small area. Resin model on a wood & metal base. Approx. dimensions: 16in.L x 13in.W x 10in.H.

Triton · 29 May 2013

Sold for US $1,226.97.

I wonder if the seller is our circle-5?

hesham · 21 June 2013

Triton said:
Artist's impression of Boeing Model 953-815 vector thrust medium STOL transport of the STOL Tactical Aircraft Investigation (STAI) portion of the AMST program.

Source:
Carroll, Richard H et al. STOL Tactical Aircraft Investigation. Volume I. Configuration Definition: Medium STOL Transport with Vectored Thrust/Mechanical Flaps Boeing Aerospace Co. Seattle, WA
May 1973

Abstract:

A configuration for an Advanced Medium STOL Transport (AMST) using vectored thrust for powered lift is defined in detail. Capability to operate from an austere forward airfield of 2000 feet length at the midpoint of 500 nm radius mission with 28,000 lbs. of payload is substantiated by aerodynamic, propulsion, structural, and weights data. The vectored thrust powered lift concept is compared with other powered lift schemes considered for the AMST. A program of continuing research and development in tactical airlift and STOL technology is recommended.

Click to expand...

Handle / proxy Url: http://handle.dtic.mil/100.2/AD766637

Also from the same site,

the Model 953-812 drawing,and an Info about Model 953-801,807,809,810 & 811.

hesham · 21 June 2013

Cy-27 · 22 June 2013

The latest post reminded me of some related information on the YC-15 from the late 1970's

Pioneer said:
I was flicking through an old book (The Encyclopedia of World Air Power - By Bill Gunston), and came across this regarding the YC-15 -

One planned version was a totally self-contained mobile surgical hospital, complete with a casevac helicopter

Considering today`s more civilized nature of nations willing to moreopenly and humanly support and assist one another in times of natural disasters (regardless of political or ideological differences), I envisage this variant being a very useful and busy U.S contribution - had it been put into production and service.

Regards
Pioneer

Please find below a page from a YC-15 brochure from 1977 showing the interior arrangement for the STOL Airborne Surgical Hospital (SASH) version (including Casevac helicopter) proposed by McDonnell Douglas.

I also attached a drawing of the various proposed roles for the C-15 design and product badge from the period.

hesham · 22 June 2013

Great find my dear Cy-27.

Advanced Medium STOL Transport (AMST) and its predecessors

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