DAS-5 Angrboda
- Angrboda: (Norse mythology, "Herald of Sorrow") A giantess and the mate or mistress of the trickster Loki. Angrboda spawned three monsters: the gigantic wolf Wikipedia:Fenrir, the Midgard serpent Jormungand, and the goddess of death Hel.[1]
The DAS-5 Angrboda is a stealthy, supersonic, intercontinental interdiction and strike aircraft designed by Detmerian Aerospace for the Royal Isselmere-Nieland Air Force (RINAF) in response to the 1994 Defence Ministry White Paper, Strategic Forces for the Twenty-First Century.
Contents
Introduction
The RINAF had been without a heavy bomber ever since the last Avro Lancaster B.1 retired in 1947. Since 1986, surplus Blackburn Buccaneers from the Royal Air Force[2] filled the strategic strike role, having replaced the inefficacious and dangerous Lockheed Starfighter. The Buccaneers gave good service, but their age was beginning to tell. The First Gulf War demonstrated the capabilities of low observable or stealthy aircraft.
Construction
The DAS-5 Angrboda strategic bomber is a thoroughly modern supersonic design capable of taking large bomb loads or missiles deep into enemy territory whether skimming along the treeline or soaring at high altitude and delivering its ordnance with incredible precision.
The Angrboda strategic bomber is a blended wing-body design. Its wings have been designed to give low gust response at low altitude while creating the very smallest possible radar cross-section (RCS) by extensive use of radar absorbent materials (RAM), dogtoothed maintenance hatches, working surfaces, and weapons bays.
The DAS-5's powerful gas turbine engines are positioned deep within the wing-body to minimise the bomber's infra-red signature. Baffles constructed of high-strength RAM reduce the strength and number of the reflections generated by the turbine blades as well as disguise the infra-red signature of the engines. The inlets are cleverly designed to provide maximum air intake while minimising empty space better used for electronics and weapons.
The Angrboda's main radar is an active electronically scanned array (AESA) that generates synthetic apertures for navigation and target detection. Its frequency hopping capability offers it low probability of intercept (LPI). The radar may be used as a high powered jammer across its bandwidth and acts as a passive receiver for enemy transmissions as well.
The DAS-5 possesses a rearward AESA radar as well for the detection of aft quarter intercepts. Again, this aft-facing set has LPI-capability and may be used as a jammer across its frequency range as well as a passive receiver.
Apart from its radar arrays, the Angrboda is equipped with specialised electronic countermeasures equipment for deception or decoy jamming, blanket jamming, and nullification. It possesses very capable radar warning and laser warning arrays as well as a sensitive missile plume detector. The DAS-5 may be equipped with the ALQ.220 Flamingo autonomous decoy that may be carried within the bomber's four internal missile bays or on an external hardpoint.
The Cockpit
The cockpit is completely night vision goggle (NVG) compatible. Pilot and co-pilot have each been equipped with a wide angle head-up display (HUD) with a monochromatic head-down display (HDD), as well as three polychromatic multi-function displays (MFD) as well as several backup analogue steam gauges.
Each crewmember similarly has reference to a helmet-mounted display (HMD) enabling them to react swiftly to incoming threats or changing target information. The system has been designed with modern aerial combat in mind, simplifying information to fundamentals and may, if desired, prompt the operator with several response options.
Operational Service
Characteristics
Crew: 4; pilot, co-pilot, offensive and defensive systems operators
Cost: $300 million
Wings: span: 38.12m; area: 386.68m2
Fuselage: length: 45.56m; height: 8.28m
Powerplant: 4 × Isselmere Motor Works ATG-11F (156 kN max. (35,117 lb st) max. a/b, 104 kN max. dry (23,411 lb st) each)
Mass: Empty: 87574 kg (193,068 lb); Clean take-off: 194693.2 kg (429,225 lb); Maximum take-off: 242000 kg (533,518.67 lb)
Performance: Operational maximum velocity at altitude Mach 1.62, cruise velocity: Mach 0.86; clean, ASL: 1,125 km/h; Range (maximum internal fuel): 12000 km; Service ceiling: 20 km (65,617 ft)
Weapons bays: 3 ventral bays (each rated at 12000 kg; bays 1 & 2 may act as a single long bay), 4 missile bays (4 × 400 kg each, for ALQ.220 Flamingo decoy, GWS.74A Kestrel, or 2 GWS.65A Kite)
Hardpoints/Stations: 8 hardpoints for an additional 20000 kg; 4 fuselage hardpoints (each rated at 4000 kg), 4 wing hardpoints (each rated at 2250 kg).
Payload: maximum (max. internal fuel, take-off): 42000 kg (92,594 lb); maximum (reduced fuel load): 62000 kg (136,687 lbs.)
Fuel fraction: 0.51 (internal, with JP8; 0.49 with JP4) – 112,930 litres (24,841.62 Imp. gal, 29,836.2 US gal)*
Thrust loading: maximum: 0.327 (clean) – 0.263 (max. load); military: 0.218 (clean) – 0.175 (max. load)
Wing loading: 503.5 kg/m2 clean take-off; 625.84 kg/m2 maximum take-off
Electronics suite
Computers: AEQ.12 environmental awareness module; 4 × AEL.17 fuel and stores management modules; 4 × AEP.16 flight control modules; AEL.16 ground crew accessible module; 8 × AEQ.17 engine control and monitoring units; AEQ.244 threat management system
Computer systems: AEI.9 operating system
Displays: 3 × AVL.18 damage control; AVL.21 sensor management (pilot/co-pilot); AVL.19 sensor management (OSO); AVL.20 sensor management (DSO); 2 × AVQ.73 threat management; 2 × AVQ.77 threat management (OSO, DSO); 2 × AVQ.69 head-up displays; 2 × AVQ.75 hybrid navigation system; 2 × AVQ.76 fuel and engine; AVQ.74 horizontal situation display; 6 × AVQ.67 multifunction displays (pilot, co-pilot); 6 × AVQ.78 multifunction displays (OSO, DSO); 4 × AVQ.71 helmet-mounted display/sights
Radars: ARU.237 (fore); ARU.236 (aft)
Optronics: AAS.249 infra-red search and tracking turret; APQ.241 forward sensor optronics (AJQ.232 laser designator/range-finder, AVS.231 charge-coupled device)
Navigation: ARN.209 millimetric Doppler altimeter; AWN.225 TACAN aerial; AMN.252 hybrid navigation system (AJN.249 LINS; AUN.250 GPS); AWN.253 ILS aerial; AEN.257 terrain profiling and matching system; ASP.265 autopilot; APN.268 microwave landing system
Communications: ASZ.17B multifunction information distribution system (MIDS); AUZ.224 satellite communications system; ASP.259 UAV control datalink; AWZ.291 HF aerial; AWZ.292 VHF aerial; AWQ.294 ADF aerial; 2 × AWZ.301 UHF aerials; AWZ.302 L-band aerial; 2 × AWZ.303 S-band aerials
Electronic countermeasures/Electronic support measures
Assessment: AUX.255 combined interrogator transponder; AMX.256 target recognition system
Warning: ALR.225 RWR; AJR.218 LWR; AAR.249 missile plume detector system; ALR.248 launch warning indicator system
Countermeasures: ALE.209 chaff/flare ejectors (8 × 30-cell); ALE.212 Cuckoo towed deception jammers (4 × 3-cell); ALQ.234 self-protection jammer; ALI.262 integrated countermeasures system (ICMS)
*Excluding bomb bay supplementary fuel tanks.
Bases: Avro Vulcan and the Rockwell B-1B Lancer
References
1. Angrboda. Encyclopedia Mythica from Encyclopedia Mythica Online. [Accessed June 22, 2006].
2. The RAF of the United Kingdom of Great Britain and Northern Ireland.
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