Antonov An-8

Antonov An-8

Company type	Military transport aircraft
Industry	Aerospace
Founded	1956
Headquarters	Kyiv , Soviet Union (now Ukraine)
Products	Military transport aircraft

The Antonov An-8 (NATO reporting name: Camp) is a Soviet-origin, twin-turboprop, high-wing light military transport aircraft.

Development

In December 1951, the design bureau OKB-153 began work on a twin-engine assault transport, initially designated DT-5/8 (Desantno-Transportnyy [samolyot], meaning assault transport aircraft). This model was intended to be powered by two Kuznetsov TV-2 turboprop engines and featured a large rear cargo door enabling direct vehicle loading into the cargo bay. On 11 December 1953, the Soviet Council of Ministers issued directive No.2922-1251 to Antonov OKB, mandating the construction of a twin-turboprop transport based on the DT-5/8. Internally called Izdeliye P, this aircraft incorporated a high wing with two turboprops mounted above a rectangular fuselage capable of accommodating either 60 soldiers or 40 passengers. It was also designed to transport various vehicles such as ASU-57 assault guns, BTR-40 or BTR-152 armored personnel carriers, and artillery units. The design included a tricycle landing gear system with main wheels housed in pods along each side of the fuselage and an elevated rear fuselage section to provide tail clearance for loading operations.

The prototype took to the skies for the first time on 11 February 1956 at Sviatoshyn Airfield near Kyiv and was publicly showcased at the Aviation Day event held at Tushino Airfield on 18 August of the same year. However, after state acceptance testing, production was initially discouraged due to several handling deficiencies: poor spin recovery, directional stability problems, nosewheel shimmy, difficulties controlling crosswind landings above 6 m/s (12 kn), and persistent phugoid oscillations across all axes that made piloting exhausting. Additionally, the TV-2 engines were found unsuitable because of instability at high altitudes, challenging start procedures, and limited operational lifespan.

To address these issues, Antonov OKB implemented modifications including enlarged vertical and horizontal stabilizers, installation of anti-spin strakes on the upper rear fuselage sides, removal of wing leading-edge slats, localized structural reinforcements, and replacement of the TV-2 powerplants with more reliable Ivchenko AI-20D turboprops. This engine swap also reduced the aircraft’s empty weight by approximately 3 tonnes (6,600 lb). These improvements led to an order for production at the GAZ-34 facility in Tashkent. The updated design necessitated advanced manufacturing techniques such as stamping and forging large-strength components, extruding long structural sections, chemical milling of extensive skin panels, among other innovations.

Designated as An-8 in service, this transport aircraft was produced between 1957 and 1961 at the Tashkent plant as a higher-capacity successor to the earlier Lisunov Li-2 (DC-3). It featured an unpressurized cargo compartment large enough for vehicles or troops, a manned tail gunner station, a chin-mounted radome housing navigation and mapping radar equipment, and a glazed nose section for the navigator’s position. In total, around 151 units were manufactured at Tashkent.

Operational history

The initial production model was unveiled in December 1958, featuring downgraded AI-20D engines due to the original AI-20D's inability to meet the required power output. This version also included revised landing gear control mechanisms, updated fuel venting, pressurization and anti-icing systems, reinforced skin thickness around the propeller rotation area, and an expanded rudder movement range.

Most An-8 aircraft were operated by the Soviet Air Forces. Notably, two An-8s played a role in deploying special forces to capture Plzeň airport during the 1968 Invasion of Czechoslovakia. Additional units served as electronic reconnaissance platforms, and one was utilized for atmospheric sampling after Chinese nuclear detonations in 1966. The An-8 remained extensively employed in frontline Soviet military operations until the 1970s, after which numerous airframes were reassigned to Aeroflot for cargo transport duties. In Russia, the type was phased out following multiple accidents in the early 1990s. Nevertheless, this did not mark the end of its operational life; several An-8s were exported abroad and sightings persisted into the 2010s across regions such as the Middle East and Africa, particularly in Liberia, DR Congo, and Angola. Some of these were linked to airlines associated with Russian businessman and convicted arms dealer Viktor Bout. Despite Antonov revoking the airworthiness certificate and ceasing support for the model in 2004, effectively terminating its authorized use, these aircraft continued limited operations.

Variants

File:Antonov An-8 Camp two-view silhouette.png

Two-view silhouette of the Antonov An-8

Izdeliye P

Internal designation by Antonov OKB for the initial prototype.

Izdeliye N

Antonov OKB's internal code for a proposed airliner variant featuring a pressurized circular fuselage cabin capable of seating up to 57 passengers.

An-8

The first production variant.

An-8M

(Morskoy meaning marine) A conceptual Anti-Submarine Warfare version.

An-8T

(Toplivovoz meaning fuel carrier) Designed as a fuel transport aircraft capable of carrying various automotive fuels as well as aviation and rocket propellants. It could be equipped with two 5,300 litre (1,100 imp gal) tanks for petroleum products or a single 5,000 litre tank for rocket oxidizers such as red fuming nitric acid (RFNA), nitric acid, or liquid oxygen.

An-8RU

(Raketnymi Ooskoritelyami meaning equipped with rocket boosters) A 1964 modification that added two rocket boosters to enhance single-engine maximum takeoff weight (MTOW) to 42 tonnes (93,000 lb). This project was discontinued following the crash of its first prototype during testing.

An-8Sh

(Shtoormanskiy meaning for navigators) A proposed trainer variant intended for navigator instruction.

An-8PS

(Poiskovo-Spasahtel'nyy meaning search and rescue) A planned maritime search and rescue configuration.

Operators

File:EL-AKZ An-8 SCI Santa Crus Imperial SHJ 21NOV00 (6823331488).jpg

Former Santa Cruz Imperial An-8 stationed at Sharjah airport

Template:SRI

• Sky Cabs

Template:IDN

• Air Mark

Template:USSR

• ATRAN
• Aeroflot
• Soviet Air Force

Template:UAE

• Air Cess
• Santa Cruz Imperial

Template:UKR

• Ukrainian Sea Guard

Specifications

{{Aircraft specs |ref=Airlife's World Aircraft |prime units?=met |crew=6 (pilot, co-pilot, navigator, flight engineer, tail gunner, wireless operator) |capacity=48 passengers / 11,000 kg (24,000 lb) maximum payload |length m=26 |length note= |span m=30 |span note= |height m=9.7 |height note= |wing area sqm=117.2 |wing area note= |aspect ratio=11.7 |airfoil= |empty weight kg=21250 |empty weight note= |gross weight kg= |gross weight note= |max takeoff weight kg=40000 |max takeoff weight note= |fuel capacity= |more general= |eng1 number=2 |eng1 name=Ivchenko AI-20D |eng1 type=turboprop engines |eng1 shp=5180 |eng1 note= |prop blade number=4 |prop name=constant-speed propellers |prop dia m= |prop dia note= |max speed kmh=610 |max speed note= |cruise speed kmh=480 |cruise speed note= |stall speed kmh= |stall speed note= |never exceed speed kmh= |never exceed speed note= |minimum control speed kmh= |minimum control speed note= |range km=2780 |range note= |combat range km= |combat range note= |ferry range km= |ferry range note= |endurance= |ceiling m=9600 |ceiling note= |g limits= |roll rate= |climb rate ms=7.12 |climb rate note= |time to altitude= |wing loading kg/m2= |wing loading note= |fuel consumption kg/km= |power/mass= |} Template:Aircraft specs armament

References

Notes

Bibliography

• Alexander, Jean. Russian Aircraft since 1940. London: Purnell Book Services, 1975.
• Gordon, Yefim & Komissarov, Dmitry. Antonov An-12. Midland Publishing, Hinkley, 2007. ISBN 1 85780 255 1 ISBN 978 1 85780 255 9
• Gunston, Bill. The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey Publishing, 1995. ISBN 1-85532-405-9.
• Lake, Jon. "Antonov's An-8 Camp: The Little Known Pioneer". Air International, September 2004, Vol 67 No 3, pp. 24–27.
• Simpson, Rod. Airlife's World Aircraft. Airlife Publishing Ltd., London, 2001. ISBN 1-84037-115-3
• International Institute for Strategic Studies. The Military Balance 2023. Routledge, Chapman & Hall, Incorporated, February 2023. ISBN 978-1-032-50895-5

External links

• Photographs of the An-8