Update history:Heli Pilot (Battles)

This is a list of changes to the Heli Pilot in the mobile version of Bloons TD Battles post-release.

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Version 3.7

Tiers	Changes
2-X Pursuit	Now automatically changes targeting to Pursuit upon purchasing this upgrade (or placing a card with this upgrade in a Card Battle)
4-X Apache Dartship	Upgrade cost reduced ― $17,500 → $14,000

Version 4.1

“

The sheer cost of the Heli-Pilot[sic] meant that it was rarely used in non-late-game matches. Reducing its base cost and halving the price of camo detection should make it a more viable option. — Update notes

”

Tiers	Changes
0-0 base tower	Cost reduced ― $1,500 → $1,200
X-1 Bigger Jets	Upgrade cost reduced ― $500 → $250
X-2 Enhanced IFR Instruments	Upgrade cost reduced ― $600 → $300

Version 4.3

“

Placing and upgrading a Heli-Pilot[sic] to its third tier isn’t cheap, so we think it should be a little more reliable when it comes to stopping lead bloons. Increasing the attack speed of Razor Rotors should help it achieve that. — Update notes

”

Tiers	Changes
3-X Razor Rotors 4-X Apache Dartship	Rotors attack: cooldown reduced ― 0.3s → 0.2s

Version 4.3.1

“

As it stands, the cooldown timer starts as soon as you tap the ability icon, meaning you're not required to wait the full period before using the ability again. This change corrects that and it now works as intended. — Update notes

”

Tiers	Changes
X-4 Support Chinook	Redeploy ability: cooldown now starts after selecting a tower instead of upon activation

Version 4.6

“

Much-like the Super Monkey, the Heli-Pilot[sic] isn't often seen outside of certain Club rulesets. We've dropped a bunch of upgrade prices to make it more accessible in normal game modes, as well as doubled the Downdraft effect when you upgrade to 0-4. — Update notes

”

Tiers	Changes
2-X Pursuit	Upgrade cost reduced ― $500 → $350
3-X Razor Rotors	Upgrade cost reduced ― $1,750 → $1,250
X-3 Downdraft	Upgrade cost reduced ― $2,500 → $1,750
X-4 Support Chinook	Upgrade cost reduced ― $15,000 → $7,500  Downdraft attack: max targets increased ― 1 → 2

Version 6.6

Tiers	Changes
0-0 base tower	Cost increased ― $1,200 → $1,300
1-X Quad Darts	Upgrade cost increased ― $750 → $900

Version 6.11

Tiers	Changes
4-X Apache Dartship	Rocket: can no longer explode multiple times if given a pierce buff

Version 6.12

Tiers	Changes
0-0 base tower	Cost reduced ― $1,300 → $1,200
2-X Pursuit	Upgrade cost reduced ― $350 → $300
3-X Razor Rotors	Upgrade cost increased ― $1,500 → $1,600
3-X Razor Rotors 4-X Apache Dartship	Rotors attack: pierce reduced ― 5 → 4
4-X Apache Dartship	Upgrade cost increased ― $14,000 → $15,000
X-3 Downdraft	Downdraft attack: max targets increased ― 1 → 2
X-4 Support Chinook	Downdraft attack: max targets increased ― 2 → 3

Version 6.14

Tiers	Changes
X-3 Downdraft	Upgrade cost reduced ― $1,750 → $1,500

Version 6.15

Tiers	Changes
2-X Pursuit	Upgrade cost reduced ― $300 → $250  No longer automatically changes targeting to Pursuit upon upgrading

Version 6.18

Tiers	Changes
3-X Razor Rotors	Upgrade cost reduced ― $1,600 → $1,500
4-X Apache Dartship	Machine gun: attack cooldown increased ― 0.016s → 0.032s  Machine gun: damage increased ― 1 → 2 Note: Damage does not pass through layers, so it only deals +1 damage to Ceramics and MOAB-Class unless buffed by Damage Boost

Version 6.19

Tiers	Changes
4-X Apache Dartship	Machine gun: damage now passes through layers

Version 6.21

Tiers	Changes
4-X Apache Dartship	Upgrade cost increased ― $15,000 → $16,000
X-3 Downdraft X-4 Support Chinook	Downdraft: attack cooldown increased ― 0.2s → 0.233s
X-4 Support Chinook	Ability: cash per crate is now fixed ― $1,500–$2,000 → $1,750

Version 6.22

Tiers	Changes
X-3 Downdraft X-4 Support Chinook	Downdraft: blowback distance reduced ― 30% to 95% of track length covered → 10% to 40% of track length covered