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Support aircraftIn service
Electronic warfare aircraft
L3Harris EA-37B Compass Call is a electronic warfare aircraft originating in United States. It was built by Gulfstream Aerospace (airframe) L3Harris Technologies & BAE Systems (mission systems). Reported operators include United States Air Force.
United StatesL3Harris EA-37B Compass Call
US Air Force photo by SRA Andrew Garavito · Public domain · Resized · Public domain · Source ↗ · ModifiedElectronic warfare aircraft
United States
Gulfstream Aerospace (airframe) L3Harris Technologies & BAE Systems (mission systems)
United States Air Force
5 out of 10 total planned
23 August 2024
Gulfstream G550
up to nine: two pilots and up to seven crew members according to mission including the mission crew commander ( electronic warfare officer ), weapon system officer (electronic warfare officer), mission crew supervisor (experienced cryptologic linguist), analysis operators (linguists), one acquisition operator and/or an airborne maintenance technician.
96 ft 5 in (29.39 m)
93 ft 6 in (28.50 m)
25 ft 10 in (7.87 m)
48,300 lb (21,909 kg)
98,000 lb (44,452 kg)
41,300 lbs
2 × Rolls Royce BR700-710 C4-11 turbofan , 15,385 lbf (68.44 kN) thrust each
Mach 0.82
4,410 mi (7,100 km, 3,830 nmi)
45,000 ft (14,000 m)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 29.39 m | Wikipedia contributors | superseded |
L3Harris EA-37B Compass Call equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Italy United StatesUS Air Force (USAF) exact named equipment holdings: EA-37B Compass Call. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIRCRAFT / EW. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
US Air Force (USAF) exact named equipment holdings of EA-37B Compass Call. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): AIRCRAFT / EW. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited.