Mk 11 mod 5 (20 mm)

Description

The Mk 11 mod 5 cannon was fitted into the Mk 4 Mod 0 aicraft gun pod that could be fitted to the bomb rack. It was developed by the US navy and used in planes like the A-4, F-4 or OV-10. Its main use is for an air to ground attacks. It was extensively used during the Vietnam conflict.

Vehicles equipped with this weapon

• A-4B (Suspended)
• A-4E Early (Suspended)

General info

Mk 11 mod 5 cannon's caliber is 20 and it can fire up too 4000 rounds per minute, their muzzle velocity being 1012 m/s, which is also the same for all ammunition types. Its one second burst mass is 7.33 kg. The AP shells can penetrate up to 33mm of armor. The HE shell carries 14 gram of explosive, a few hits should be able to destroy a wing or heavily damage any other part of the plane. Maximum effective range of this cannon is up to 2,000 meters.

Available ammunition

• Default: AP-T · HEI · AP-T

Penetration statistics
Belt	Penetration @ 0° Angle of Attack (mm)
	10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
Default	33	31	27	24	19	14

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

Pros and cons

Pros:

• Very high rate of fire (4,000 rpm)

Cons:

• Low armour penetration
• Huge ammo count (3 x 750 rpg) is quickly used at 4,000 rpm.

History

Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

Media

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See also

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• reference to the article about the variant of the cannon/machine gun;
• references to approximate analogues by other nations and research trees.

External links

• The U.S. Navy training film (MN 10121a) showcasing the Mark 4 Gun Pod
• Report No. HTC-63-56 2Omm Mk 4 Mod 0 Gun Pod Flight Test of Three Pods Installed on A4 Airplane