General Atomics MQ-9 Reaper (USA) ✈ CAIG Wing Loong (China)

General Atomics MQ-9 Reaper (USA). First flight: 2 February 2001

CAIG Wing Loong (China). First flight: 2009

Designed and developed by the Chengdu Aircraft Design Institute (CADI), a division of the Aviation Industry Corporation of China (AVIC), the Pterodactyl I bears a distinct similarity in appearance to the Predator/Reaper family of drones developed by the United States.
— Wikipedia

Beriev A-50 (USSR) ✈ KJ-2000 (China)

Beriev A-50 (USSR).  First flight: 19 December 1978 (Wiki)

The Beriev A-50 (NATO reporting name: Mainstay) is a Soviet airborne early warning and control (AEW) aircraft based on the Ilyushin Il-76 transport.
— Wikipedia

KJ-2000 (China). First flight: 2003 (Wiki)

KJ-2000 (NATO reporting name: Mainring) is a Chinese Airborne early warning and control system comprising domestically designed electronics and radars installed on a modified Ilyushin Il-76 airframe
— Wikipedia

Saab 90 Scandia (Sweden) ✈ Convair CV-240 (USA) ✈ Ilyushin Il-14 (USSR) ✈ Martin 4-0-4 (USA) ✈ CASA C-207 Azor (SPAIN)

Saab 90 Scandia (Sweden). First flight: 16 November 1946 (WIKI

CONVAIR CV-240 (USA).  First flight: March 16, 1947 (WIKI)

ILYUSHIN IL-14 (USSR). First flight: 1 October 1950 (WIKI)

MARTIN 4-0-4 (USA). First flight: October 21, 1950 (WIKI)

CASA C-207 AZOR (SPAIN). First flight: 28 September 1955 (WIKI)

Ilyushin Il-76 (Russia) ✈ Boeing C-17 Globemaster III (USA) ✈ Xian Y-20 (China)

Ilyushin Il-76 (Russia). First flight: 25 March 1971 (WIKI)

Boeing C-17 Globemaster III (USA). First flight: 15 SEPTEMBER 1991 (WIKI)

Xian Y-20 (China).  First flight: 26 January 2013 (WIKI)

Douglas DC-3 (USA) ✈ Li-2 (USSR) ✈ Basler BT-67 (USA)

Douglas DC-3 (USA). First flight: December 17, 1935 (WIKI)

Lisunov Li-2 (USSR). First flight: 1939 (WIKI)

The Lisunov Li-2, originally designated PS-84, was a license-built version of the Douglas DC-3
— Wikipedia

BASLER BT-67 (USA).  First flight: January 1990 (WIKI)

The Basler BT-67 is a utility aircraft produced by Basler Turbo Conversions of Oshkosh, Wisconsin. It is a remanufactured and modified Douglas DC-3; the modifications designed to significantly extend the DC-3’s serviceable lifetime. The conversion includes fitting the airframe with new Pratt & Whitney Canada PT6A-67R turboprop engines, lengthening the fuselage, strengthening the airframe, upgrading the avionics, and making modifications to the wings’ leading edges and wing tips.
— Wikipedia

Yakovlev Yak-18A (USSR) ✈ Nanchang CJ-6 (China)

Yakovlev Yak-18A (USSR). First flight: 1956 (WIKI)

Nanchang CJ-6 (China). First flight: August 27, 1958 (WIKI)

The CJ-6 is an all-original Chinese design that is commonly mistaken for a Yak 18A. It`s predecessor, the Nanchang CJ-5, was a licence-built version of the Yak-18.
— Wikipedia

Dassault Mirage III (France) ✈ IAI Kfir (Israel) ✈ Atlas Cheetah ( Republic of South Africa)

Dassault Mirage III (France). First flight: 17 November 1956 (WIKI

IAI KFIR (ISRAEL). First flight: June 1973 (WIKI)

The Israel Aircraft Industries Kfir is an Israeli-built all-weather, multirole combat aircraft based on a modified French Dassault Mirage 5 airframe.

The Dassault Mirage 5 is a supersonic attack aircraft designed in France by Dassault Aviation during the 1960s, and manufactured in France and a number of other countries. It was derived from Dassault’s popular Mirage III fighter, and spawned several variants of its own, including the IAI Kfir.
— Wikipedia

ATLAS CHEETAH (REPUBLIC OF SOUTH AFRICA). First flight: 1986 (WIKI)

The Atlas Cheetah is a South African fighter aircraft developed as a major upgrade of the Dassault Mirage III by the Atlas Aircraft Corporation (later Denel Aviation) in South Africa and is based on the IAI Kfir.
— Wikipedia

Short Sunderland (UK) ✈ Kawanishi H8K (Japan)

Short Sunderland (UK). First flight: 16 October 1937 (WIKI)

Kawanishi H8K (Japan). First flight: January 1941. (WIKI)

Sukhoi Su-33(USSR) ✈ Shenyang J-15 (China)

Sukhoi Su-33(USSR). First flight: 17 August 1987 (WIKI)

Shenyang J-15 (China). First flight: August 31, 2009 (WIKI)

An unfinished Su-33 prototype, the T-10K-3, was acquired from Ukraine in 2001 and is said to have been studied extensively, with development on the J-15 beginning immediately afterward. While the J-15 appears to be structurally based on the Su-33, the indigenous fighter features Chinese technologies as well as avionics from the J-11B program.
— Wikipedia

Airco DH.9A (UK) ✈ Polikarpov R-1/R-2 (USSR)

Airco DH.9A (UK). First flight: March 1918 (WIKI)

Polikarpov R-1/R-2 (USSR). First flight: Summer 1924 (WIKI (Russian))

The Soviet Union built large numbers of an unlicensed copy of the DH.9A, the R-1. After the production of 20 DH.4 copies, followed by about 200 copies of the DH.9 powered by the Mercedes D.IV engine (also designated R-1) and a further 130 powered by the Siddeley Puma (designated R-2), a copy of the DH.9A powered by the M-5 engine, a Soviet copy of the DH.9A’s Liberty, entered production in 1924
— Wikipedia

DASSAULT RAFALE (FRANCE) ✈ SAAB JAS 39 GRIPEN ✈ EUROFIGHTER TYPHOON (MULTI-NATIONAL) (SWEDEN)✈Chengdu J-10 (CHINA)

Dassault Rafale (France). First flight: 4 July 1986 (WIKI)

Saab JAS 39 Gripen (Sweden). First flight: 9 December 1988 (WIKI)

Eurofighter Typhoon (Multi-national). First flight: 27 March 1994 (WIKI)

CHENGDU J-10 (CHINA). FIRST FLIGHT: 23 MARCH 1998 (WIKI)

Antonov An-28 ✈ PZL M28 Skytruck (Poland)

Antonov An-28 (USSR). First flight: September 1969 (WIKI)

PZL M28 Skytruck (Poland). First flight: 24 July 1993 (WIKI)

PZL Mielec has become the sole source for production An-28s. The basic variant, not differing from the Soviet one, was designated PZL An-28 and was powered with PZL-10S (licence-built TVD-10B) engines. The plane was next developed by the PZL Mielec into a westernized version powered by 820 kW (1100shp) Pratt & Whitney PT6A-65B turboprops with five-blade Hartzell propellers, plus some western (BendixKing) avionics (a distinguishing feature are exhaust pipes, sticking out on sides of engine nacelles). Designated the PZL M28 Skytruck, first flight was on 24 July 1993 and it is in limited production, mostly for export (39 produced by 2006).
— Wikipedia