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Flying Battery Zone

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Quotation1 Go flying on Robotnik's warship. Watch where you step - sneaky traps are everywhere! Quotation2
Instruction manual

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Flying Battery Zone

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Flying Battery Zone
Flying Battery Zone
Appearances and overview
First appearance

Sonic & Knuckles

Other appearances

Dr. Robotnik's gigantic metal blimp


Above Floating Island

Stage theme(s)

Sky theme

Previous stage

Mushroom Hill Zone

Next stage

Sandopolis Zone

Playable characters
(story mode)
Level number

8 (Sonic 3 & Knuckles)

Number of acts


Boss fight

Hang Mobile

Flying Battery Zone is the second Zone of Sonic & Knuckles (and the eighth of Sonic the Hedgehog 3 & Knuckles).


After damaging Dr. Robotnik's Egg Mobile in Mushroom Hill, he will try to fly away allow with the Flying Battery, the player will jump at the ship and grab onto an engine as it flies away (Tails will fly up after Sonic if playing as Sonic and Tails.). They then managed to climb up onto an actual foothold and the Zone begins. After defeating Robotnik, the ship begins to explode and the player breaks through a door, plummeting into Sandopolis.


The level, or rather the warship the level was based on, also made a brief appearance nearing the end of Act 2 of Angel Island Zone, where it attempted to bomb the player to smithreens. It also appeared green instead of metallic gray in this instance, due to the level undergoing a massive forest fire at the time that darkened the environment.

This Zone takes place on Dr. Robotnik's gigantic metal blimp. The blimp is powered by rotating drills and machines that send out worm like bridges. Flame jets can act as springs if the player stands on one for long enough, the pressure sending the character upwards; sometimes they even act as hidden switches. The mini-boss, Gapsule, is a machine that looks like one of the animal capsules. It has two huge ball-and-chain arms. The player needs to stand on the switch on top of its head and wait for it to rear back and swing. Then he/she needs to get off the machine and go out on the side in order for the machine to damage itself.

Despite the Zone being one of Dr. Robotnik's contraptions, there are some Warp Rings in the level, most of which are accessed by pushing certain groups of spikes. These can be identified by a vertical pipe leading down from the floor where the spikes are, which the player can fall through.

The second act basically starts out the same, but with slightly different music.



Main article: Gapsule

The Gapsule is a robot that resembles an animal capsule. The player cannot directly damage the Gapsule and can only do so by having the Gapsule attack itself with its two large spiky arms. The player must stand on top of the Gaspsule and stay there until it prepares to attack. The player has to get out of the way to avoid taking damage while the Gapsule damages itself. After five hits, it will be destroyed.

Barrier Eggman

Main article: Barrier Eggman

Barrier Eggman is very similar to the boss of Wing Fortress from Sonic the Hedgehog 2. Dr. Robotnik appears behind a barrier on one side, and a barrier on the other is activated once the player enters the arena. He'll control a laser cannon that moves along the roof, that attempts to home in on the player. Every time it attempts to do so, the barriers will close in one space. There is no special technique required for this "boss", as it eventually self-destructs after a few tries. Upon this, player needs to escape part of the Flying Battery and avoid being crushed, eventually encountering the second boss.

Hang Mobile

Main article: Hang Mobile

Dr. Robotnik appears in a lanky-armed machine that has spikes covering both arms. He'll spend time swinging around, and eventually hang below the floor, inching about with the arms. If the player jumps over the width of the machine, Dr. Robotnik shoot a blast of fire from the top. The trick is to hit the glass area -the vulnerable part- when he takes time to swing up and down around the floor. After eight hits, the scientist will speed away.

In other media

Archie Comics

The Flying Battery Zone appears in the Sonic the Hedgehog comic series in the Post Super Genesis World.


FBZ oddities

Flying Battery, featured on the stage select in Sonic the Hedgehog 3.

  • According to Sonic the Hedgehog 3's (standalone) Sound Test option, this was supposed to be the fifth level in the game. Sonic (or Knuckles) was supposed to see the blimp in the carnival and be shot through the cannon (or in Knuckles's case, be transported) to the blimp. At the end of the Zone, Sonic was supposed to break the door of the battery blimp and use it as a snowboard in Ice Cap Zone (Knuckles wouldn't get this scene because he doesn't normally snowboard). However, at that point of development, a proper transition from Mushroom Hill Zone to Sandopolis Zone probably wasn't thought of, so the developers decided to place Flying Battery between the two. The Sound Test option in both Sonic & Knuckles and Sonic the Hedgehog 3 places Flying Battery's music after Sounds #7 and #8 (Carnival Night's BGM). There's even an unused icon of Flying Battery leftover in Sonic the Hedgehog 3 that was supposed to appear between Carnival Night and Ice Cap. Another possible explanation for Flying Battery being placed in Sonic & Knuckles was to keep the levels between Sonic the Hedgehog 3 and Sonic & Knuckles even.
    • However, the Flying Battery Zone has no teleporter, nor any remains of a room for it. It is possible that Knuckles was never to go in the blimp.
    • Interestingly enough, while Sonic was meant to break out of the Flying Battery and use a part of it as a snowboard, it was later on reused in Sonic Adventure 2, where in the intro Sonic escapes from a G.U.N. helicopter and uses the door as skateboard.
  • Dr. Robotnik appears in the boss battle for both Sonic and Knuckles, despite Knuckles' boss battles usually being against Eggrobo. The sprites for the pilot character were different for this boss battle than for any of the others, facing to the screen instead of side-on. No sprites were provided for Eggrobo in this new position (for unknown reasons), Robotnik appeared instead despite Eggrobo being seen earlier.
  • Supposedly, this flying fortress of metal may be used to carry animal capture Capsules. The line of capsules in the background of this stage provide evidence to this theory.
  • The Flying Battery may have attacked Sonic and Tails in Angel Island Zone before the boss. While it is identified in the manual as the "Flying Battery blimp", the size of the green underside is much smaller than the orange airship seen later.
  • This is the only Zone in Sonic 3 & Knuckles (excluding non-Sonic Angel Island and the standalone Mushroom Hill) where the playable character stands still when the first act loads.
Classic Sonic on The Blimp

Classic Sonic on blimp in Spagonia that resembles Flying Battery.

  • The ship that appears in the Sonic Generations' rendition of Rooftop Run resembles Flying Battery Zone and is actually titled as Eggman Flying Battery by BradyGames Official Strategy Guide.[1] After opening the outside of the clock tower in Spagonia, the blimp crashes into it and Classic Sonic boards it as it starts to burn. This is most likely a completely different ship, which also looks like Sky Base from the 8-bit version of Sonic the Hedgehog.
  • Both a classic mix and a remix of Act 1's music is on the Nintendo 3DS version of Sonic Generations and Mario & Sonic at the London 2012 Olympic Games, respectfully.
  • In Sonic the Hedgehog 3 (alone), and the betas for Sonic 3: Limited Edition, there was a bug in Act 1's music, that caused the echo part of the music fall behind the song more each time the song looped.


Sonic & Knuckles - Flying Battery Zone Act 1 (1080p)01:30

Sonic & Knuckles - Flying Battery Zone Act 1 (1080p)

Sonic & Knuckles - Flying Battery Zone Act 2 (1080p)01:30

Sonic & Knuckles - Flying Battery Zone Act 2 (1080p)

S&K Collection

Sonic 3k PC "Flying Battery act 1" Music "FM Synthesizer"01:28

Sonic 3k PC "Flying Battery act 1" Music "FM Synthesizer"

Sonic 3k PC "Flying Battery act 2" Music "FM Synthesizer"01:27

Sonic 3k PC "Flying Battery act 2" Music "FM Synthesizer"

Sonic 3k PC "Flying Battery act 1" Music "General MIDI"01:26

Sonic 3k PC "Flying Battery act 1" Music "General MIDI"

Sonic 3k PC "Flying Battery act 2" Music "General MIDI"01:25

Sonic 3k PC "Flying Battery act 2" Music "General MIDI"


  1. BradyGames (1 November 2011). Sonic Generations: BradyGames Official Strategy Guide. BradyGames. p. 155. ISBN 978-0761555100.
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