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Lockheed EC-130H Compass Call

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EC-130H Compass Call
An EC-130H Compass Call departs Davis-Monthan AFB
General information
TypeElectronic warfare (EW), Suppression of Enemy Air Defenses (SEAD), offensive counter-information
ManufacturerLockheed (airframe)
BAE Systems (prime mission equipment)
L3 Communications (aircraft integration and depot maintenance)
Status7 in service (2023)
Primary userUnited States Air Force
Number built14 (USAF)
History
Introduction date1983 (IOC)

The EC-130H Compass Call is an electronic attack aircraft flown by the United States Air Force. Based on the Lockheed C-130 Hercules, the aircraft is heavily modified to disrupt enemy command and control communications, perform offensive counterinformation operations, and carry out other kinds of electronic attacks. Planned upgrades will add the ability to attack early warning and acquisition radars.[1] Based at Davis-Monthan AFB in Arizona, EC-130Hs can be deployed worldwide at short notice to support U.S. and allied strategic and tactical air, surface, and special operations forces.

The EC-130H is one of the three main U.S. electronic warfare aircraft, along with the Boeing EA-18G Growler, and F-16CJ Fighting Falcon, all of which can suppress enemy air defenses while jamming communications, radar, and command-and-control targets.[2]

In September 2017, the Air Force announced that L3 Technologies will serve as the lead systems integrator for a future Compass Call aircraft based on the Gulfstream G550 business jet.[3] The new Compass Call platform was designated as EA-37B by Air Combat Command on November 14, 2023.[4][5]

Design

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Crew

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The EC-130H aircraft carries a combat crew of 13 people. Four members handle aircraft flight and navigation (aircraft commander, co-pilot, navigator, and flight engineer), while nine members operate and employ the EA mission equipment permanently integrated into the cargo/mission compartment. The mission crew includes the mission crew commander (electronic warfare officer), weapon system officer (electronic warfare officer), mission crew supervisor (an experienced cryptologic linguist), four analysis operators (linguists), one acquisition operator, and an airborne maintenance technician.[6]

Aircraft

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The EC-130H fleet is composed of a mix of Baseline 1 and 2 aircraft.[2]

The Block 35 Baseline 1 EC-130H provides the Air Force with additional capabilities to jam communication, Early Warning/Acquisition radar, and navigation systems through higher effective radiated power, extended frequency range, and insertion of digital signal processing compared to earlier EC-130Hs.[2]

Baseline 1 aircraft have the flexibility to keep pace with adversary use of emerging technology. It promotes enhanced crew proficiency, maintenance, and sustainment with a common fleet configuration, new operator interface, increased reliability, and better fault detection.[2]

Baseline 2 has several upgrades to ease operator workload and improve effectiveness. Improved external communications allow Compass Call crews to maintain situational awareness and connectivity in dynamic operational and tactical environments. Aircraft communication capabilities are improved with the expansion of satellite communications connectivity compatible with emerging DoD architectures, increased multi-asset coordination nets, and upgraded data-link terminals.[2]

Delivery of Baseline-2 provides the Air Force with the equivalent of a "fifth generation electronic attack capability," providing improved aircraft performance and survivability.[2]

A majority of the improvements found in the EC-130H Compass Call Baseline-2 are classified modifications to the mission system that enhance precision and increase attack capabilities.[2]

Operational history

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The Compass Call had its first flight in 1981, was delivered to the Air Force in 1982, and reached initial operating capability in 1983.[2]

All EC-130H Compass Call aircraft are assigned to Air Combat Command. The EC-130H is operated by the 55th Electronic Combat Group (ECG) consisting of two operational squadrons (41st and 43rd Electronic Combat Squadron (ECS)), a formal training unit (the 42nd ECS), the 755th Operations Support Squadron (OSS), and the 755th Aircraft Maintenance Squadron (AMXS). The 55th ECG is a tenant unit of the 355th Fighter Wing at Davis-Monthan AFB, Arizona. Although located at Davis-Monthan, the group reports to the 55th Wing at Offutt AFB, Nebraska.[2]

Compass Call has been used in Yugoslavia, Haiti, Panama, Iraq, Afghanistan, and elsewhere.

From 2002 to 2015, EC-130Hs participating in Operation Enduring Freedom - Afghanistan and Operation Freedom's Sentinel flew over 40,000 hours during 6,900 combat sorties.[7]

On 15 January 2020, the first EC-130H Compass Call (serial number 73-01587) was retired from active service. The aircraft was the first EC-130H Compass Call delivered to the Air Force in March 1982.[8]

Operators

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 United States

Specifications (EC-130H)

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Data from Air Force Link: EC-130H Compass Call[6]

General characteristics

  • Crew: 13
  • Length: 98 ft 9 in (30.10 m)
  • Wingspan: 132 ft 7 in (40.41 m)
  • Height: 38 ft 3 in (11.66 m)
  • Wing area: 37 sq ft (3.4 m2)
  • Airfoil: root: NACA 64A318; tip: NACA 64A412[9]
  • Empty weight: 101,000 lb (45,813 kg)
  • Max takeoff weight: 155,000 lb (70,307 kg)
  • Fuel capacity: around 100000 liters
  • Powerplant: 4 × Allison T56-A-15 turboprop engines, 4,591 shp (3,424 kW) each
  • Propellers: 4-bladed constant-speed fully feathering reversible propellers, 13 ft 6 in (4.11 m) diameter

Performance

  • Cruise speed: 300 mph (480 km/h, 260 kn) (M0.5)
  • Range: 2,641 mi (4,250 km, 2,295 nmi)
  • Service ceiling: 25,000 ft (7,600 m)

See also

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Related development

References

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  1. ^ "EC-130H COMPASS CALL > Air Combat Command > Display". Air Combat Command, Public Affairs Office. Retrieved 13 January 2018.
  2. ^ a b c d e f g h i "EC-130H Compass Call". Air Force. Retrieved 8 March 2020.
  3. ^ Insinna, Valerie (8 September 2017). "L3 gets Compass Call contract, names Gulfstream as airframe provider". Defense News. Sightline Media Group.
  4. ^ "EC-37B Mission Design Series designation change to EA-37B". Air Combat Command. 14 November 2023. Retrieved 22 November 2023.
  5. ^ Tirpak, John A. (20 November 2023). "New EC-37B Gets a Designation Change to EA-37B". Air & Space Forces Magazine. Retrieved 22 November 2023.
  6. ^ a b "Factsheets : EC-130H Compass Call". United States Air Force. 5 November 2010. Archived from the original on 20 July 2012. Retrieved 25 July 2016.
  7. ^ Wickman, Tony (11 September 2015). "41st EECS Scorpions defend the force with Compass Call". U.S. Air Forces Central Command. Retrieved 25 July 2016.
  8. ^ "First Final Flight For Compass Call: USAF Retires its First Specially Modified EC-130 Aircraft". 20 February 2020. Retrieved 8 April 2020.
  9. ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
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