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Support aircraftOperational
Business jet
Learjet 35 is a business jet. It was built by Learjet. Reported operators include General aviation, United States Air Force.
United StatesTechnical data
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| 28 Sept 2026 | 14.83 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 14.83 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 14.83 m | Wikipedia contributors | superseded |
Business jet
Learjet
Operational
General aviation, United States Air Force
738
1973–1994
22 August 1973
Learjet 25
two (pilot and copilot)
48 ft 8 in (14.83 m)
39 ft 6 in (12.04 m) (over tip tanks)
12 ft 3 in (3.73 m)
253.3 sq ft (23.53 m 2 )
9,154 lb (4,152 kg)
18,000 lb (8,165 kg)
1,110 US gal (920 imp gal; 4,200 L) usable fuel
2 × Garrett TFE731-2-2B turbofans , 3,500 lbf (16 kN) thrust each
471 kn (542 mph, 872 km/h) at 25,000 ft (7,600 m)
418 kn (481 mph, 774 km/h) at 45,000 ft (14,000 m) (econ. cruise)
2,857 nmi (3,288 mi, 5,291 km) (4 passengers)
45,000 ft (14,000 m)
4,525 ft/min (22.99 m/s) at sea level
5.74:1
NACA 64A-109 (mod)
96 kn (110 mph, 178 km/h) (wheels and flaps down)
4,784 ft (1,458 m)
2,884 ft (879 m)
The Learjet Model 35 and Model 36 are a series of American multi-role business jets and military transport aircraft manufactured by Learjet between 1973 and 1993. When used by the United States Air Force , they carry the designation C-21A . Learjet was acquired by Bombardier Aviation in 1990 as a subsidiary, so the aircraft is also known as the Bombardier Learjet 35 .
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Learjet 35 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
ArgentinaGendarmerie exact named equipment holdings of Learjet 35. 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 / PAX. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The source declares a separate Gendarmerie subsection within Gendarmerie & Paramilitary.
BoliviaNumber column of the Wikipedia list table under "Reconnaissance". The list's own wording applies; it is a compiled secondary source, not an official census.
BrazilNumber column of the Wikipedia list table under "Reconnaissance". The list's own wording applies; it is a compiled secondary source, not an official census.
FinlandNumber column of the Wikipedia list table under "Transport". The list's own wording applies; it is a compiled secondary source, not an official census.
JapanReported count for Learjet C-36A. Country-wide list; no individual service specified. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): total: 4. Origin: US. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
PeruReported count for Learjet 35 · U-36. Service scope: Peruvian Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): in service: 2. Origin: United States. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2023), not the article revision. 2023 cited publication year. Edition or publication years do not claim an exact inventory census day.
Saudi ArabiaAir Force holdings of the exact named Learjet 35 component: active, reserve operational and training units, excluding equipment in store. This is a service-scoped observation, not a national total or combat-readiness count. No parent-design, sibling-variant, heading aggregate or mounted-weapon total is inherited.
United StatesReported count for C-21A Learjet 35. Service scope: Air Force; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): inventory: 19. Origin: USA. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2025), not the article revision. Cited source 2025-06-20. Edition or publication years do not claim an exact inventory census day.