AIM-9C Sidewinder

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This page is about the American air-to-air missile AIM-9C Sidewinder. For other versions, see AIM-9 Sidewinder (Family).


The AIM-9C Sidewinder missile (in game it uses the same model as the AIM-9D, scale is approximate)

The AIM-9C Sidewinder is an American semi-active radar-homing air-to-air missile. It was introduced in Update "Direct Hit".

Vehicles equipped with this weapon

General info

Missile characteristics
Mass 95 kg
Guidance SARH
Signal Pulse
Lock range 9 km
Launch range 18 km
Maximum speed 2.5 M
Maximum overload 18 G
Missile guidance time 60 secs
Explosive mass 4.69 kg TNTeq

Effective damage

The AIM-9C boasts identical explosive charge as its infrared-guided brother, the AIM-9D, that being 2.95 kg of HMX, equivalent to 4.69 kg of TNT. It's enough to destroy an air target in one hit, or at the very least, to severely damage it.

Comparison with analogues

The AIM-9C is superior to its most immediate Soviet counterpart, the R-3R, having better speed, overload, range, as well as guidance time. It only falls behind in terms of raw explosive power, due to the R-3R's payload of 8.8 kg TNT equivalent.

The AIM-9C is the second SARH AAM available in the US air tree, the first one being the somewhat lacklustre AIM-7C Sparrow available on the F3H-2 Demon. Although capable of Mach 3 speeds, and housing a deadly 11.5 kg TNT equivalent payload, this sparrow variant suffers from a low maximum overload for such a big missile (only 18G), and only having a third of the AIM-9C's guidance time (20s vs 60s).

Usage in battles

The AIM-9C can be handily used in head-on situations, due to it being a SARH missile, albeit due to the F-8E's radar lacking a nose-centred BVR search mode, acquiring a radar lock in time can be tricky, along with its susceptibility to chaff, making reliable hits difficult. It's best used on unaware opponents, or on those who have already exhausted their countermeasures in previous engagements. However, if radar lock on target is successfully re-acquired after losing it (due to chaff or other factors) the missile will immediately begin to track the target again, which along with its good manoeuvrability, gives it decent chances of a successful shootdown in dogfights as well.

Pros and cons


  • Being a semi-active radar homing (SARH) missile, it has all-aspect ability and is immune to flares
  • Begins turning almost immediately after launch, compared to AIM-7 Sparrows and its variants which travel in a straight line for a short amount of time before tracking
  • Has the good range of the AIM-9D (3 km range from rear aspect), along with a long burn time


  • Being a SARH missile, its usefulness is limited on low-altitude targets due to ground clutter
  • Requires constant radar lock; a single chaff burst will likely defeat the missile
  • Outcome somewhat unreliable due to chaff susceptibility
  • Tends to lose lock when the target turns in a direction, then quickly turns the opposite way



A rack of Sidewinder missiles used by the US Navy. From top to bottom: AIM-9B, AIM-9D, and AIM-9C.

Limitations in the initial Sidewinder model, the AAM-N-7 Sidewinder IA (later designated in 1963 the AIM-9B), caused the United States Navy to begin developing the next generation of Sidewinders at China Lake. The goal was to improve the missile's envelope, as the Sidewinder's restricted turning ability meant that aware pilots can easily turn and evade the incoming missile. Development on this new Sidewinder missile soon split into two separate project for different seeker heads, one with an infrared alternative head (IRAH) as the Sidewinder 1C Mod 29, which would become the AIM-9D, and the other with a semi-active radar alternative head (SARAH) as the Sidewinder 1C Mod 30, which would become the AIM-9C.[1] A SARH guidance system was useful in that it would allow a Sidewinder to perform an all-aspect attack with radar, and was all-weather, not interfered by the environmental factors like a IR seeker was.[2]

The AIM-9C shared the same missile improvements as the AIM-9D, namely a Hercules MK 36 solid-fuel rocket motor that allowed the missile to go faster and as far as 18 km, large fins for control, and a MK 48 continuous-rod warhead for increased lethality.[3]

Starting development in 1957 under Thomas S. Amlie, the AIM-9C's intent was to provide a fleet-defense weapon for aircraft on the World War II-era Essex-class carriers, which carried the F-8 Crusader aircraft that could not carry the larger AIM-7 Sparrow SARAH missiles. Developing a working radar seeker was difficult, with the development team reviewing the technical reports of the AIM-4A Falcon to fix some issues. However, another issue with the AIM-9C's development is finding a suitable radar that could use it, as the AIM-9C called for the use of a 24-inch diameter radar while the Crusader used a 13-inch diameter radar. This would eventually be resolved with the Crusaders integrating a AN/APQ-83 radar. The AIM-9C went through operational evaluation with the US Navy in 1964, alongside the AIM-9D, and the AIM-9C demonstrated a 77% single-shot kill probability. Two F-8 squadron based in NAS Miramar were equipped with AIM-9C by the fall of 1964.[2] Production of the missiles were carried out by Motorola.[3]


A F-8D Crusader equipped with AIM-9D (above) and AIM-9C (below) Sidewinder missiles on the cheek pylon.

Though the AIM-9C was received by the US Navy, its more complicated seeker compared to the infrared seeker variant introduced technical issues. China Lake's development team, including Amlie himself, arrived at the Essex-class carriers to provide orientation and support for the missiles. The biggest issue aside from the missile was the Crusader's radar, which can fail and was difficult to repair. Pilot confidence in the missile was also poor, both in regards to the Crusader's radar reliability and the AIM-9C's ability for an all-aspect attack with the radar as they were used to the Sidewinders being a rear-aspect weapon.[4]

However the ultimate failing of the AIM-9C's is its purpose filling a niche role on an aircraft with a specific radar requirement, being meant for the Crusader because the aircraft could not carry the AIM-7 Sparrows. Once the Crusaders began being phased out in the mid-1960s, the AIM-9C was phased out alongside the Crusaders as newer aircraft like the F-4C Phantom II that can use Sparrows were put into use. With the AIM-9C only seeing brief service before its retirement with the Crusaders, only 1,000 AIM-9Cs were produced by Motorola between 1965 to 1967.[3] There were no kill claims during the Vietnam War credited to the AIM-9C.[5]

A USMC AH-1T Sea Cobra with a AGM-122 Sidearm.

The AIM-9C would have another chance in the 1980s. Making use of the inventory of AIM-9Cs that have been phased out of use, the US Navy converted the AIM-9Cs into the AGM-122A SideARM ("Sidewinder Anti-Radiation Missile") for use against radar installations. In 1984, Motorola was contracted to perform the conversions, which utilized a wide-band passive electromagnetic radiation homing seeker, as well as a new proximity fuse and rocket motor used on the more modern AIM-9L Sidewinder. While not as useful as a dedicated anti-radiation missile, the AGM-122A provided a cost-effective solution against smaller radar threats. The primary users of the AGM-122A was the United States Marine Corps, who received 700 units between 1986 to 1990 and equipped on fixed wing aircraft such as the AV-8 Harriers and A-4 Skyhawks, as well as helicopters such as the AH-1 Cobra.[6][7][8] Once the AIM-9C inventory ran out, there were considerations to restart production for new missiles as the AGM-122B with new guidance system and a reprogrammable memory board, but this was cancelled.[6]



See also

Related development
Other SARH missiles with IR seeker alternatives

External links


  1. Westrum 2013, p.176
  2. 2.0 2.1 Westrum 2013, p.182-184
  3. 3.0 3.1 3.2 Parsch 2008
  4. Westrum 2013, p.184-186
  5. McCarthy 2009, p.148-157
  6. 6.0 6.1 Parsch 2002
  7. Westrum 2013, p.186
  8. Rogoway 2017
  • McCarthy, Donald J. Jr. MiG Killers, A Chronology of U.S. Air Victories in Vietnam 1965–1973. Specialty Press, 2009.
  • Parsch, Andreas. "AGM-122." Directory of U.S. Military Rockets and Missiles, Designation-Systems.Net, 08 November 2002, Website. Accessed on 18 Nov. 2021 (Archive).
  • Parsch, Andreas. "AIM-9." Directory of U.S. Military Rockets and Missiles, Designation-Systems.Net, 09 July 2008, Website. Accessed on 18 Nov. 2021 (Archive).
  • Rogoway, Tyler. "The AGM-122 "Sidearm" Came To Be From A Novel Missile Recycling Scheme". The Drive, 29 Jun. 2017, Website. Accessed on 20 Nov. 2021 (Archive).
  • Westrum, Ron. Sidewinder; Creative Missile Development at China Lake. Naval Institute Press, 30 Sep. 2013.

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Sparrow  AIM-7C · AIM-7D · AIM-7E · AIM-7E-2 · AIM-7F · AIM-7M
Sidewinder  AIM-9B · AIM-9C · AIM-9D · AIM-9E · AIM-9G · AIM-9H · AIM-9J · AIM-9L · AIM-9M · AIM-9P
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Maverick  AGM-65A · AGM-65B · AGM-65D
TOW  BGM-71 · BGM-71A · BGM-71B · BGM-71C
SAM  FIM-92 Stinger · MIM-72 · MIM146
Naval SAM  RIM-24A
AAM  AIM-9B FGW.2 Sidewinder · Flz Lwf 63/80
AGM  9M14M Malyutka · Flz Lwf LB 82 · HOT-1 · HOT-2 TOW · HOT-3 · PARS 3 LR
AShM  AS.34 Kormoran
SAM  Roland
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ATGM  3M7 · 9M14 · 9M113 Konkurs · 9M114 Shturm · 9M123 Khrizantema · 9M133 · 9M133FM3 · 9M133M-2
SAM  95Ya6 · 9M311 · 9M311-1M · 9M331 · 9M37M
Naval SAM  Volna-M
AAM  Fireflash · Firestreak · Red Top · Skyflash · Skyflash SuperTEMP · SRAAM
AGM  AS.12 · ZT-6 Mokopa
AShM  AJ.168
ATGM  BAe Swingfire · MILAN · MILAN 2 · ZT3
SAM  Starstreak
AGM  Ki-148 I-Go Model 1B
ATGM  Type 64 MAT · Type 79 Jyu-MAT
SAM  Type 81 SAM-1C · Type 91
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ATGM  302 · HJ-73 · HJ-73E · HJ-9 · QN201DD · QN502CDD
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SAM  Roland · VT1
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AGM  Rb05A · RB 53 Bantam · RB 55B Heli TOW · RB 55C Heli TOW · RB 75
ATGM  Rbs 55 · Rbs 56
SAM  Rbs 70
AAM  Shafrir · Shafrir 2 · Python 3
ATGM  Spike-MR
  AAM = Air-to-Air Missile   AGM = Air-to-Ground Missile   AShM = Anti-Ship Missile   ATGM = Anti-Tank Guided Missile (Ground mounts)   SAM = Surface-to-Air Missile