Fairchild C-123 Provider - Variants

Variants

Chase XCG-20

Two prototype all-metal troop transport gliders built by Chase Aircraft, later designated the XG-20, one became the XC-123, the other the XC-123A.

Chase XC-123

Former XG-20 fitted with two 2,200 hp R-2800-23 engines.

Chase XC-123A

Former XG-20 fitted with four J47-GE-11 turbojets in pairs (of the type used by the B-36 and B-47) under wings.

C-123B

Production model based on the XC-123 with two 2300 hp R-2800-99W engines with accommodation for 61 troops or 50 stretchers, five built by Chase and 302 build by Fairchild Aircraft.

UC-123B

C-123Bs modified for defoliation and crop destruction duties.

VC-123C

Executive transport version of the jet-powered XC-123A, not built.

Stroukoff YC-123D

One aircraft built by Stroukoff with boundary layer control system for improved VTOL performance.

Stroukoff YC-123E

One aircraft built by Stroukoff with modified fin and rudder, modified fuselage bottom (called Pantobase) and pontoon floats to allow operation from water, sand, snow or ice.

YC-123H

Prototype with wide track undercarriage and two underwing J85 booster engines.

C-123J

C-132B with two wing tip mounted Fairchild J44-R-3 booster engines, 10 converted.

C-123K

C-123Bs with two underwing J85 booster engines and larger wheels, 183 converted.

AC-123K/NC-123K

Two C-132Bs converted for armed nighttime surveillance with special sensors.

C-123T

Proposed upgrade for Royal Thai Air Force C-123Bs including installation of turboprop engines; cancelled after one prototype due to budgetary reasons.

HC-123B

USCG search and rescue variant

UC-123K

C-123Ks converted for Ranch Hand defoliation missions, 34 converted.

VC-123K

One C-123K converted as personal transport for General Westmoreland's use in Vietnam.

Stroukoff YC-134

One aircraft built by Stroukoff, as C-123B but fitted with boundary layer control system, tailplane endplates, redesigned landing gear with tandem main wheels. Later designated YC-134A when fitted with Pantobase landing gear.

YC-136

Proposed improved variant; cancelled before any aircraft built.