Boeing C-40 Clipper

C-40 Clipper

A C-40 of the District of Columbia Air National Guard
Role	Military transport aircraft
Manufacturer	Boeing
Introduction	21 April 2001
Status	Active service
Primary users	United States Navy United States Air Force
Produced	2001-present
Number built	21
Unit cost	US$70 million
Developed from	Boeing 737

The Boeing C-40 Clipper is a military version of the Boeing 737-700C airline transport. It is used by both the United States Navy and the United States Air Force.

Design and development

C-40A

The C-40A Clipper provides critical logistics support to the United States Navy. Its flight deck features a flight management computer system with an integrated GPS, and is compatible with future GATM/FANS operating environment (RNP-1). It is outfitted with the Traffic Alert and Collision Avoidance System II, and is RVSM-capable. It also has an enhanced ground proximity warning system, predictive wind shear, head-up display and TACAN/UHF/IFF functions.

A USN C-40A is loaded with cargo at Naval Air Station Jacksonville

The U.S. Navy Reserve was the first customer for the newest member of the Boeing 737-700C Next-Generation family.^[1]^[2] The Clipper was ordered by the U.S. Navy to replace its fleet of aging C-9B Skytrain IIs. The C-40A is the first new logistics aircraft in 17 years to join the U.S. Navy Reserve. The Navy Reserve provides all of the Navy's medium and heavy airlift capabilities.

The Clipper meets or exceeds international noise and environmental requirements; which the fleet of Naval Reserve C-9s did not. It is also more fuel-efficient and offers increased range and payload capabilities. The Clipper is certified to operate in an all-passenger (121 passengers), all-cargo or combination ("combi") configuration that can accommodate up to three cargo pallets and 70 passengers on the main deck.

The Navy purchased the airplanes using standard commercial practices, ordering six of the 737-700C models . The first two of four aircraft were delivered on 21 April 2001 to Fleet Logistics Support Squadron Five Nine (VR-59) at the Naval Air Station/Joint Reserve Base Fort Worth, Texas, with two more aircraft following before the end of the year. The fifth and sixth aircraft were delivered in August 2002 to VR-58 at the Naval Air Station Jacksonville, Florida. Further aircraft have been delivered to VR-57 at the Naval Air Station North Island, California. The Navy plans to purchase up to 23 additional Clippers as it replaces the C-9B. The C-40A provides superior fuel efficiency, range and payload.^[3]

C-40B

C-40 B/C of the 89th Airlift Wing.

The United States Air Force selected the C-40B, a military version of the 737-700 Boeing Business Jet, to replace the aging fleet of C-137 aircraft for U.S. combatant commanders. The Air Force awarded the medium lift contract in August 2000. The 89th Airlift Wing acquired its first C-40B aircraft in December 2002. Both units are based at Andrews Air Force Base, Maryland. The 15th Airlift Wing, Hickam AFB, Hawaii, acquired its C-40B for U.S. Pacific Command in February 2003. The 86th Airlift Wing, Ramstein AB, Germany, acquired its C-40B for U.S. Air Forces in Europe in December 2004.^[4]

The cabin area is equipped with a crew rest area, distinguished visitor compartment with sleep accommodations, two galleys and business class seating with worktables.^[4]

The C-40B is designed to be an "office in the sky" for senior military and government leaders. The aircraft features two-way broadband data communications, including secure voice and data communication; elements include internet and network access, telephones, satellites, facsimile and copy machines. The C-40B also has a computer-based passenger data system.^[4]

C-40C

The C-40C is not equipped with the advanced communications capability of the C-40B. Unique to the C-40C is the capability to change its configuration to accommodate from 42 to 111 passengers.^[4] The C-40C is intended to replace three C-22s (a militarized Boeing 727) operated by the Air National Guard and National Guard Bureau to airlift personnel. By using commercial off-the-shelf acquisition practices and a new lease program for the C-40C model, the Air Force reached a benchmark for aircraft procurement.^[4] The C-40C was the first military aircraft to be acquired in this manner. The 201st Airlift Squadron, Washington, D.C. Air National Guard, acquired two C-40C aircraft in October 2002. The Air Force Reserve 932d Airlift Wing, Scott AFB, Illinois acquired three C-40C aircraft in 2007.^[4]

Variants

A United States Navy C-40A from Fleet Logistics Support Squadron (VR) 57, at NAS North Island

C-40A Clipper: United States Navy version of the Boeing 737-700 for high-priority cargo and passenger transport, fourteen built.^[5]
C-40B: United States Air Force version of the Boeing 737-700 based Boeing Business Jet modified as a special mission aircraft for commanders and government officials, four built.
C-40C: United States Air Force version of the Boeing 737-700 based Boeing Business Jet, operational support and transport aircraft, six built.

Operators

United States

Specifications (C-40A)

C-40A transporting palletized humanitarian cargo, 2005.

Data from

General characteristics

Crew: 6 (two pilots, one crew chief, one loadmaster and two second loadmasters)^{[note 1]})
Capacity:
- Passenger configuration: 121 passengers
- Cargo configuration: 8 pallets of cargo
- Combination configuration: 3 pallets of cargo, 70 passengers.
Payload: 40,000 lb (18,000 kg)
Length: 110 ft 4 in (33.63 m)
Wingspan: 112 ft 7 in (34.32 m)
Height: 41 ft 2 in (12.55 m)
Empty weight: 126,000 lb (57,150 kg)
Loaded weight: 134,000 lb (61,000 kg)
Max. takeoff weight: 171,000 lb (78,000 kg)
Powerplant: 2 × CFM International CFM56-7B turbofans, 27,300 lbf (121 kN) each

Performance

Maximum speed: 534 knots (615 mph, 990 km/h)
Range: 3,000 nm (3,500 mi, 5,600 km)
Service ceiling: 41,000 ft (12,500 m)
Thrust/weight: 0.407

↑ only one second loadmaster required when carrying under 100 passengers. no second loadmasters are required when carrying only cargo.

References

↑ "Boeing Delivers Ninth C-40A Aircraft to U. S. Navy". Boeing. 5 June 2006. Retrieved 2007-09-26.
↑ http://www.boeing.com/defense-space/military/c40/docs/C-40A_overview.pdf
↑ " Boeing Delivers Ninth C-40A Aircraft to U. S. Navy" boeing.com Archived 25 August 2006 at the Wayback Machine
1 2 3 4 5 6 US Air Force. "C-40B/C Fact Sheet". Retrieved 4 June 2003.
↑ "C-40A Overview". Boeing.com. Retrieved 5 March 2015.

External links

Wikimedia Commons has media related to Boeing C-40 Clipper.

C-40A and C-40B pages on Boeing.com
U.S. Navy C-40 Factsheet, U.S. Naval History C-40A Clipper page page
USAF C-40B/C Factsheet
"Clippers Hitting Their Stride Despite Past Controversy". DefenseIndustryDaily.com
C-40 page on GlobalSecurity.com
Seaman Apprentice Joshua Valcarcel (25 July 2006). "Conquistadors Team Up With Make-A-Wish Foundation". U.S. Navy. Retrieved 2007-09-26.

Callsigns of aircraft carrying the President and Vice President of the United States

Army One Air Force One Navy One Marine One Coast Guard One Executive One

Army Two Air Force Two Navy Two Marine Two Coast Guard Two Executive Two

89th Airlift Wing VC-25 C-32 C-40 HMX-1 VH-3D VH-60N Transportation of the President of the United States White House Transportation Agency

Boeing military aircraft

Fighters/attack aircraft:	PW-9/FB F2B F3B F4B XF6B P-29/XF7B XF8B P-12 P-26 818 F-15E F-22 AV-8B F-15SE F/A-18E/F EA-18G

Bombers	YB-9 XB-15 B-17 Y1B-20 B-29 XB-38 XB-39 YB-40 XB-44 B-47 B-50 B-52 B-54 XB-55 XB-56 XB-59 B-1

Piston-engined transports	C-73 C-75 C-97 C-98 C-108

Jet transports	C-135 C-137 CC-137 YC-14 C-17 C-22 VC-25 C-32 C-40

Tanker-transports	KB-29 KB-50 KC-97 KC-135 KC-137 KC-10 KC-46 KC-767

Trainers	PT-13 PT-17 PT-18 PT-27 XAT-15 T-43 T-45

Patrol and surveillance	XPB XPBB XP3B P-8 EC-135 EC-18 E-3 E-4 E-6 E-8 E-10 E-767 737 AEW&C

Reconnaissance	NC-135 OC-135B RC-135 WC-135

Drones/UAVs	CQM-121 MQ-18 X-50 ScanEagle Bird of Prey

Experimental/prototypes	X-20 X-32 X-36 X-37 X-40 X-45/Phantom Ray X-50 X-51 X-53 YAL-1 Phantom Eye

United States military transport aircraft designations, Army/Air Force and Tri-Service systems

Army/Air Force sequence (1925-1962)	C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 C-37 C-38 C-39 C-40 C-41/A C-42 C-43 C-44 C-45 C-46 C-47/T C-48 C-49 C-50 C-51 C-52 C-53 C-54 C-55 C-56 C-57 C-58 C-59 C-60 C-61 C-62 C-63 C-64 C-65 C-66 C-67 C-68 C-69 C-70/A/B/C/D C-71 C-72 C-73 C-74 C-75 C-76 C-77/B-D C-78 C-79 C-80 C-81 C-82 C-83 C-84 C-85 C-86 C-87 C-88 C-89 C-90 C-91 C-92 C-93 C-94 C-95 C-96 C-97/KC-97 C-98 C-99 C-100 C-101 C-102 C-103 C-104 C-105 C-106 C-107 C-108 C-109 C-110 C-111 C-112 C-113 C-114 C-115 C-116 C-117 C-118 C-119 C-120 C-121/F C-122 C-123/A C-124 C-125 C-126 C-127 (I) C-127 (II) C-128 C-129 C-130/J C-131 C-132 C-133 C-134 C-135/KC-135 C-136 C-137 C-138¹ C-139¹ C-140 C-141 C-142

Tri-service sequence (1962-present)	C-1 C-2 C-3 C-4 C-5 C-6 C-7/B C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20A-D/F-H C-21 C-22 C-23 C-24 C-25 C-26 C-27/J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36 C-37A/B C-38 C-39¹ C-40 C-41 C-42¹ C-43¹ C-44¹ C-45 C-46

Revived original sequence (2005-present)	C-143 C-144 C-145 C-146

Non-sequential designations	C-767 C-880

¹ Not assigned See also: AC-47 • AC-119 • AC-130 • DC-130 • EC-130 • HC-130 • KC-130 • LC-130 • MC-130 • WC-130 • CT-39 • CT-43

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