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Terminal This article, D-3 Petrel, was written by Ajax 013. Please do not edit this fiction without the writer's permission.
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D-3 Petrel
Production information
Class

Dropship

Technical specifications
Length

63.8 meters

Width

57.4 meters

Height/depth

19.6 meters

Mass

130,000 kilograms

Shielding

Grade 1

Sensor systems
  • AESA RADAR
  • Phased Array RADARs
  • TADS/PNVS
    • LIDAR
  • AN/ASD-46 PAVE CROW
  • AN/ASQ-144 FINDER DAS
Countermeasures
Armament
  • 1 Medium Nose Gun
Crew
  • 1 Pilot
  • 1 co-Pilot
  • 1 crew chief
  • 1 Radio operator
  • 1 Cargo Operator
Minimum crew

1 pilot

Usage
Role(s)
  • Air Assault
  • Heavy Airlift
  • Orbital transport
  • Air drop
  • Medievac
Affiliation

UNSC

  [Source]


"Can you believe the navy would put something this big in the sky, short of a capital ship?"
―Lieutenant Michael Templar


The D-3 Petrel is a heavy UNSC dropship, designed for transporting large amounts of vehicles, materials and personnel. The vehicle is actual similar in design to the Gull, though on a much larger scale. It utilises two vector thrust tilt engines three quarters the way down of the wings that allow it to reach hypervelocity or break into orbit. The vehicle is organised conventionally with a cockpit at the front housing four of the five crew members. It carries a long, wide troop bay, capable of carrying multiple vehicles, such as two Scorpions, six Warthogs, four CRVs, on a modular rail system that allows them to be stored and offloaded securely. It can also carry a full Company of Marines, when seats are fitted on the modular rail system. Any mixture of seat, cargo and pallet systems is available and allows for modular load outs which can be set up by ground teams in under thirty minutes. The Petrel can safely transport them into drop zones close to the front without fear of enemy interception. The Petrel can even preform close range fire support, being capable of cutting down swathes of light armour and infantry.

The D-3 Petrel's airframe is constructed from a basis of superplastic-shaped diffusion-adhered metal matrix composites. These light, oxidation resistant light-matrix composites are formed from high modulus and high strength gold doped zirconium oxide fibres and a titanium/aluminium laminate matrix, formed by heat bonding layers of titanium, aluminium and titanium aluminide, forming high strength crystal matrices, the results forming a high strength, yet flexible and light airframe. The skin is formed from four layered plates attached to the frame. The inside layer is a high strength carbon nanotube nanobud mesh composite, which does not melt on re-entry and protects the ship and occupants. Above this is a environmental layer, which regulates internal and external heat, preventing layers from outright melting or freezing, and protecting the occupants. The third layer is a resin bonded layer of structural titanium aluminide with a titanium mesh insert. The fourth layer is a outer layer of AEGIS tiles, built on a non-newtonian shock absorbing layer, providing thermal and oxidation protection. The cockpit and troop bay are situated in titanium-AEGIS compound armoured 'tubs'. These give limited protection against enemy fire. The windscreen is bullet-proof diffusion-bonded self-regenerating stretched-acrylic, with a coating of liquid glass, with a variable electronically controlled gold tinted setting, which protects it from solar rays, laser dazzles and electronic interference. These give limited protection against enemy fire. The skin is painted with thermal diffusing paint, heat controlled hull to generate a black body exterior, infra-red suppressors on the engines, RADAR absorbent paint, liquid glass composites and LASER absorbent laminates, which when compounded with its stealth design, gives it excellent stealth abilities.

The vehicle is studded with point defence lasers in recesses for cruising and numerous DECEPTION Countermeasure launchers, giving it effective all round cover. It features a high power AESA RADAR, LIDAR, a cannon on the nose for LZ supression along with a full TADS/PNVS suite for the co pilot.

The D-3 Petrel's primary sensor is a AESA wave RADAR in the nose of the aircraft, which operates both as ground reading and forward facing, allowing it to identify aircraft directly ahead and targets on the ground, along with mapping them. This is supported by two flat pane RADARS on each side of the aircraft which scan to the sides and rear, giving a roughly spherical view of the aircraft. All RADARs can operate doppler and pulse, against ground targets and air targets respectively. These allow it to map its surroundings, detect aircraft 200km away, detect missiles up to 100km away and provide threat detection and target acqusition for missile ordnance and onboard weaponry. This information can be directed to marine ground teams, providing support and early warning. The forward RADAR also acts as the fire control, though that can be passed to the other RADARS in situations where it may occur.

Along the sides it carries several AN/ASQ-144 FINDER Distributed Aperture Systems. These act as a missile warning system, reports missile launch locations, detects and tracks approaching aircraft spherically around the aircraft and provide additional navigation systems. They consist of pairs of short range thermal and monochrome TV cameras with steadied autotracking and display systems. It can lock onto multiple targets designated by the weapons officer and by passing from one camera to another, maintain a optical lock.

Ground Vehicles of the UNSC during the Necros War

Scorpion & Variants

Scorpion MBT | Scorpion ARRV | Scorpion AVE | Scorpion ARC | Death Stalker SPAAG | Monitor AVP | Komodo AVP | Panther CAV

Heavy Tanks

Tiger HBT | Razorback Siege Tank | Mammoth Siege Platform

Warthog Knight FAV family

Warthog FAV | Warthog Knight LRV | Gauss Hog LAAV | Rocket Hog LAAV | Guard Hog Crusader | Warthog Assassin RAV | Warthog Troop Transport | Tread Hog DTV | Warthog Medical Vehicle | Warthog Ammunition Carrier | Spark Hog MEWS | Fire Hog CB-RADAR| Warthog Recovery Vehicle | Warthog Flatbed Truck

Motorized Vehicles

Mongoose ATV | Gungoose ATV | Jackrabbit ATV | Gunrabbit ATV | Armadillo PTT | Buffallo HSV

Unified Combat Reconnaissance Vehicle

Coyote CRV | Stallion CRV | Bloodhound CRV | Puma ATV | Caracal ICV | Chameleon RV | Wallaby MEV | Ocelot AAA | Capybara C2V | Camel ASV | Bandicoot MLV | Elk REV | Mustang MGS | Manx MEWS | Boar MC

Personnel Carriers

Crocodile IFV | Jaguar Command Vehicle

Exoskeletons

Wolf ATAAS | Mule Cargo Loader | Mantis ADS | Cyclops HAS | Dragon ADS

Artillery and Anti-Air

Wolverine SPAAA | Bombardier SPMA | Firefly MLRS | Kodiak Heavy Artillery | Diamondback MADS

Elephant and variants

Elephant HRV | Behemoth ICP | Mastodon HAP | Alpha C2P | Omega MMP | Hippo MFH | Bison SC

Riverine and Landing craft

Swordfish RIB | Pike PB | Walleye PB | Orca-class Landing Craft Air Cushion

Naval Craft

Barracuda-class Corvette | Mako-class Frigate | Stingray-class Amphibious Assault Ship

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