Chieftain Marksman

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Marconi Electronic Systems Chieftain Mk 5 Marksman
General characteristics
3 peopleCrew
55.0 tWeight
6 forward
2 back
Gear box
2 х 35 mm Oerlikon KDA cannonWeapon 1
500 roundsAmmunition
230 roundsBelt capacity
550 shots/minFire rate
-10° / 85°Vertical guidance
380 000 Rp icon.pngResearch
990 000 Sl icon.pngPurchase
Sl icon.png2 590 / 3 535/1 400 / 1 911/17 510 / 23 901Repair
280 000 Sl icon.pngCrew training
990 000 Sl icon.pngExperts
2 000 Ge icon.pngAces
x 2.00 Rp icon.pngReward for battle
Msg-info.png This page is about the self-propelled anti-aircraft vehicle Chieftain Marksman. For other uses, see Chieftain (Disambiguation)


GarageImage Chieftain Marksman.jpg

The Marconi Electronic Systems Chieftain Mk 5 Marksman (shortened to Chieftain Marksman) is a Rank VI British self-propelled anti-aircraft vehicle with a battle rating of 8.0 (AB/RB/SB). It was introduced in Update 1.79 "Project X".

The Marksman looks like Chieftain tank hull with giant boxy turret in middle of it. The turret has a radar on the back of it and clearly visible handles with cannons on its front. The front has distinctive double slope. There is no other such turret in game and so it is very easy to identify.

Like Falcon, Marksman's role is hiding around the battlefield, shooting at planes and punishing unsuspecting ground opponents, however it's much slower so it's doing its job from about kilometer away, or further, if possible.

Radar allows it to have aiming reticle against closing in planes in RB. Reticle works the same way as in AB, however it doesn't say how far is the plane.

The play style is much less aggressive than Falcon; however, the APDS belt is no joke, as every shell in it can penetrate about 100 mm of armour up to 500 meters and up to 60 mm at 2000 meters at 30°. As such, weaker side armour on most rank 5+ vehicles, of all nations can be threatened by the Marksman from almost any range, and it only brings much more pain to light vehicles from afar.Only soviets have decent enough armour on nearly all vehicles to negate it's firepower in optimal weapon range.

It may feel like guns are similiar to falcon when you fire them but due to them being 35mm you can tear off plane wings even in one hit, and you can hit them even with stock gun easily from 1.8 km range without wasting too much ammo. Guns have convergence of about 1.5km (more or less, depending on "adjustments of fire" upgrade), which makes them better for leading targets, but also wasting some ammunition in process, and making vehicle weak at closer ranges.

Guns still overheat in 10 seconds and can put the Marksman out of fighting capability for half a minute. Luckily, it's hardly necessary to go trigger happy with marksman's accuracy and with marksman you can instantly change belts to unjam the cannons.

General info

Survivability and armour

The Chieftain chassis make this SPAA invulnerable to hull breaks and protects it fairly well against frontal attacks by light vehicles. The turret protection is not great, but it will stop most heavy machine gun fire at close range. It's almost like the FV4005 with slightly more armour on turret.

Do not show the lower front plate to the enemy's tanks, as it's considerably weaker. Despite having better armour for hull, Marksman is extremely slow for it, so keeping the enemy away from this vehicle is the key to get all out of armour you have.

Vehicle can be taken out by attacking the turret: Firstly enemy does precise shot at bottom-left (vehicle's right) of turret to take out the gunner, then fires at the opposite to take out tank commander. It's also easy to destroy your turret with chemical rounds. Your turret may tank 20mm auto cannon shots, but only at about 1.2 km range, which is an acceptable duel range for marksman. Any non-stock combat SPAA's and light tanks, though, will breach it with no effort even from 3km away.


Mobility characteristic
Weight (tons) Add-on Armor

weight (tons)

Max speed (km/h)
55.0 N/A 44 (AB)
41 (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade 937 ___
Realistic/Simulator 548 ___
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade 17.03 __.__
Realistic/Simulator 9.96 __.__
The speed of Marksman is very low. It barely can turn around and you can't use speed against enemy, due to poor hp/ton ratio.

If you keep moving forward without changing direction, you might eventually reach 40km/h on flat terrain.


Main armament

Main article: Oerlikon KDA (35 mm)
35 mm Oerlikon KDA (x2)
Capacity (Belt capacity each) Fire rate
500 (230) 550 -10°/+80° ±180° Two-plane
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 79.3 __.__ __.__ __.__ __.__
Realistic 53.5 __.__ __.__ __.__ __.__
Reloading rate (seconds) Rearm rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif. Main belt Secondary belt
1.3 __.__ __.__ __.__ ~45.0 ~5.0

Marksman has an extremely fast turning turret, so any incoming plane or light vehicle can be targeted fast.

Guns converge at about 1.2 km range without "Adjustments of Fire" modification and about 1.8 km with it. This makes firing at close range enemy vehicles very impractical, due to low ammunition count. However, it's very convenient for firing at moving targets, including light tanks and jets, as if two separate autocannons increase the probability of a hit.

The guns can disable both tracks of enemy vehicle at once at 300 m distance, if facing enemy's front. This allows you to escape and ask teammate to finish off the threat.

Since the guns are 35 mm, they also deal more damage than 30 mm of previous generation SPAA, use the explosive ammo to destroy planes in about 1 to 2 hits, lightly armoured vehicles get destroyed in about 30 shots at worst.

Belt types:

Penetration statistics
Belt Type of


Able to use as main belt: Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
Default API-T, HEI-T Yes 68 63 58 50 39 31
DM11A1 API-Tx3, HEI-T ___ 68 63 58 50 39 31
DM-13 HEI-Tx3, API-T ___ 68 63 58 50 39 31
DM-23 APDS ___ 112 110 101 90 71 62

Note: HEI-T does no damage to armoured targets, but critically damages planes.

Ammunition belts are split into 2: main one and secondary one.

The Marksman can take 460 shells for main belt and 40 for secondary, which is barely enough for 1 engagement. This may be insulting, but it's necessary for survival. Unlike Falcon, when ammo for the main belt runs out, this could be reloaded at capture point while the secondary belt of pure anti-air or anti-armor rounds that could be used as self-defense.

Also, there won't be a need to reload a new belt once the ammo restock is complete, so the Marksman is ready to fight quicker. The other thing with ammunition belts is that since APDS belt is now purely APDS. This makes decision about secondary belt being fully anti-tank or fully anti-air ever more annoying and affecting your playstyle.

You can only reload one belt at once. Your secondary belt rearms in about 5 seconds, while your main belt rearms for about 45 seconds.Thus, your playstyle is majorly dictated by how far from capture point you are.

Ammo racks
Ammo racks of the Chieftain Marksman
rack empty
rack empty
rack empty
rack empty
rack empty
rack empty
XX XX (X+)  (+)  (+)  (+)  (+)  (+) no

Usage in the battles

Follow the team's push and take some nice fortified position with sight on the capture point, destroying any scout vehicle that attempt to get close while looking for planes. Conducting both actions at once is crucial to not only deny the enemy a recon point, but also for self-preservation to keep the Marksman protected. Fighting at a distance will be best to minimize convergence distance to avoid wasting ammunition on the lead. Vertical traverse of cannons is almost instant, so that should not be a concern when shifting from a ground to air target.As main belt's ammo runs out, move closer to capture point for rearm. With this tactic, use secondary belt only for self defence on capture point, or if it's really necessary for teammate's survival.

Alternatively, you could go straight for capture point defence and unload secondary belts onto every passing by plane, light tank, SPAA and poorly armoured MBT, then immideately rearm. Since your guns convergence is 1-2km depending on upgrades, there is little chance any vehicle which is travelling in straight line can dodge your double cannon lead. However, don't expect to successfully push away medium tanks, if your belt isn't APDS, and it's very likely that enemy's return fire will heavily damage you, as capture points rarely provide any cover, so move out and use main belt, when forced to.

In arcade mode your combat ability is severely limited, due to maps being 2x2 km wide at best, so you could try to train your crew with very high "keen vision", then try to camp enemy base entrances across the map, using the fact, that your shells have little penetration falloff from distance and slight armor angling. This would require great map knowledge, though.

Some enemies to be concerned about:

  • Soviet tanks: Avoid them as much as possible. With the gun convergence and reduced movement speed, it will not be easy to defeat them in a duel. Detrack them and communicate to the teammates to finish them off.
  • Maus: It's invulnerable. Best to not show up in parts of map it controls.

Pros and cons


  • Guns produce great effect upon shell contact on target, requiring only one or two hits to down a plane
  • Can fire effectively at longer ranges than Falcon and has radar guidance (for RB)
  • Chieftain hull offers good protection
  • Secondary belts allow for safer rearms


  • Low mobility
  • APDS ammo is now put into separate belt, which may be inconvenient to use with low ammunition capacity
  • Slower rate of fire than other SPAA
  • LFP is a weak spot
  • Turret is lightly armoured and a big target
  • Cannons convergence makes the Marksman weaker in close combat


Describe the history of the creation and combat usage of the ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/historical reference" (example: reference) and add a link to it here using the main template. Be sure to include links to sources at the end of the article.


An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

Read also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example,

  • reference to the series of the vehicles;
  • links to approximate analogues of other nations and research trees.



Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.

Britain anti-aircraft vehicles
Vickers Mk.VIA AA Mk.I · T17E2 · Armored Car Mk II AA · Crusader AA Mk II · Crusader AA Mk I · Falcon · Chieftain Marksman