Helicopter NH90

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Helicóptero NH90
In-flight helicopter
In-flight helicopter
The NATO sponsored programme started in the 80’s but was boosted in 1990 when a contract was signed by four nations (France, Germany, Italy and Holland).

In 1992 two firms were set up: NAHEMA and NHINDUSTRIES, signing a contract with D&D. Production of 243+55 helicopters was approved in May 2000. Portugal joined the programme in 2001 procuring 10 NH-90 units.

Spain intends to operate 104 NH-90 helicopters for the three Services.

  • Army: 48
  • Navy: 28
  • Air Force: 28

The Government authorised the procurement of a first batch of 45 units on May 19th 2005.

Ten of them will be in the TTH version for Force Projection Support and another unit will be used as a trial platform for other configurations: Multi-purpose, MPN, Airborne Surveillance & Control ASaC).

Naval
  • Multi-mission capability.
  • Cooperation with other naval components.
  • Operations with a single pilot.
  • 4 hour endurance.
Tactical transport
  • Up to 20 soldiers.
  • A light vehicle.
  • IFR operations with a single pilot.
  • Night flights / Bad weather conditions.
Survivability
  • Low detectability.
  • Reduced vulnerability.
  • NBQ protection.
ILS philosophy
  • Enhanced reliability, readiness, maintenance and support.
  • Its flexibility permits more interoperability, grouped training and cost savings.
Mobility operations
  • Tactical transport:up to 20 people / light tactical vehicle.
  • SAR.
  • MEDEVAC.
  • Special and combat operations.
  • Logistic transport.
  • Command and control electronic support.
Naval operations
  • ASW
  • ASuW
  • CASEVAC.
  • Vertical replenishment.
  • Air surveillance.
  • Troops transport.
Fly-by-wire control system
  • Sistema de control de vuelo
    Sistema de control de vuelo
    Optimum performance (Level 1 ADS 33C)
  • Multi-redundant. 4 channels.
  • Low weight.
  • Improved safety.
  • Enhanced power.
Two possible engines:
  • T700 / T6E1
  • RRTM322-01/9
Infrared / Noises and vibrations
  • Cockpit
    Cockpit
    Optimum performance (Level 1 ADS 33C)
  • Low noise:
    • External: 6 to 7 dB below ICAO limits.
    • Internal: < 91 dBSIL4
  • Low rotor speed.
  • Composite rotor and structure.
  • Low EM radiation.
  • Low silhouette / Foldable.
Rotor system (TBD) Main Gear Box (TBD) Possible configurations:
  • Typical: 14 seats + 2 machine guns + 2 external fuel tanks.
  • Troops transport: Up to 20.
  • CASEVAC: Up to 12.
Fuel equipment
  • 8 crashworthy tanks.
  • 2 external tanks.
  • 2 normal filler necks (12 minutes).
  • 1 pressure filler neck (6 minutes).

Anti-icing system (TBD)

Emergency floats
  • Emergency floats
    Emergency floats
    Automatically inflated upon contact with water.
  • Inflated between 15 minutes and 2 hours.
Sling
  • 4,000 kg strength.
  • Independent pilot / co-pilot control.
  • Mechanical or hand-operated control.
Hoisting
  • Up to 279 kg in the air / 400 kg on land.
  • Variable speed: 1.25 m/s
  • Independent pilot / co-pilot control.
NQB

Both on land or in flight, the NH-90 can survive in a State III nuclear environment.

  • Objective:
    • Protection of people.
    • In operations:
      • Prevent catastrophic effects and ensure safety.
      • Prevent effects in its systems.
  • Design:
    • Minimise penetration and prevent the entrance of polluting agents.
    • Use of adequate materials to minimise degradation by polluting agents.
Interface Man / Aircraft
  • In a simple display the pilot has all the necessary information to man the aircraft and carry out its mission.
Helmet
  • Advanced all-weather and night vision display.
Navigation system
  • 2 Inertial Reference Systems (IRS) with embedded GPS
  • 1 Doppler Velocity Sensor (DVS)
  • 2 Air Data Computers (ADC)
  • 1 Multi- Mode Receiver (MMR) (MLS / ILS / VOR / MKR)
  • 1 Distance Measuring Equipment (DME)
  • 1 TACAN, AFD as option
  • 1 Radio Altimeter (High Integrity)
Weather radar
  • Weather radar
    Weather radar
    Weather forecast capability.
  • Detection of irregular atmospheric motions.
  • Radio-beacon display.
  • Land radar generated map.
Tactical radar

X-band European naval type (ENR)

  • 360º
  • Automatic TWS.
  • ISAR capability.
  • Destination recognition with semi-automatic or manual classification.
  • Missile launchers.
  • Navigation.
  • Weather.
  • Air search.
  • IFF.
Electro-optical system
  • All-weather and night target search, detection, tracking and identification.
HFV / UHF
  • Different integrated systems (TBD)

BLADE and TAIL FOLDING SYSTEM

MONITORING AND DIAGNOSTIC SYSTEMSELF-DEFENCE SYSTEM REDUCTION OF VULNERABILITYWeapons

  • 7.62 mm MG
  • 12.7 mm MG
  • 20 mm gun
  • 2.75” rockets

Capability: 1 torpedo + 1 missile in the same mission.

HARPOON DECK LANDING SYSTEM

TRAVERSING SYSTEM

Traversing System NH90
Traversing System NH90
Naval missions system
  • Helicóptero NH90
    Helicóptero NH90
    Deck safety blocking system.
  • Lateral motion system.
  • Folding system.
  • Tele-briefing.
  • Real-time tactical communication between CIC and helicopter.
  • ASW
    • MU90 torpedoes.
    • PPI radar.
    • Sonar.
  • Sonobuoys.
  • Towed array.
Training
  • Radar panoramic NH90 helicopter
    Radar panoramic NH90 helicopter
    Transition phase: from the delivery of the first unit to Spain.
  • Permanent training: the one established by the Armed Forces.
Sustainability

Design based on NATO requirements of interoperability, sustainability and life-cycle costs.

Maintenance Helicóptero NH90
Maintenance Helicóptero NH90
  • Aims:
    • Enhanced reliability:
      • Frame: 1000 fh.
      • Components: >5000fh
      • Availability: >80%
      • Mission reliability: >97%
    • Maintenance:
      • Preventive/corrective maintenance: <2,6 mmh/fh.
      • Preventive maintenance intervals: >600fh.
      • Lubricants intervals: >300fh
      • Engine replacement in 45 minutes.
    • Innovative tests:
      • Capable of designating up to 95% of all possible failures and pinpointing 90% of all detected failures.
  • Tests:
    • Pre-flight tests.
    • Post-flight tests.
    • In-flight diagnosis and control.
    • Maintenance support:
      • Logistics and management information system.
Maintenance concept
  • The first goal is to limit the number of repairing parts to O/I Maintenance Levels.
  • Operational status achieved by means of repair modules.
Analytical methods
  • Improvement of the maintenance concept through:
    • Logistic support analysis (MIL-STD-1388).
    • Repair level using the EDCAS model.
    • Reliability determined by maintenance i.a.w. MSG-3.
Maintenance levels
  • Maintenance Level 1 (0-Level).
    • Operation, cleaning and small adjustments.
    • RLU spare parts.
    • Minor structural repairs.
    • Mission readiness.
    • Flight inspections (preventive).
  • Maintenance Level 2 (I-Level).
    • LRU repair.
    • Small structural repairs.
    • Periodic inspections (600 h).
    • Incorporation of modifications.
    • Complete helicopter service.
    • Damage repairs after air battle.
    • Mobile support.
  • Maintenance Level 3 (D-Level).
    • Overhaul.
    • SRU repair.
    • Specialised repairs.
    • Important structural repairs.
    • Important modifications and upgrading.
    • ML2 specialised support.
Preventive Maintenance Programm
  • Flight line inspections (Basic H/C).
    • 15 minutes before flying by one man / 2 men: 10 minutes, including refuelling.
    • 15 minutes after flying by one man / 2 men: 10 minutes.
    • Secure inspection in 20 minutes with 3 men.
  • Periodic inspections.
    • 150 FH inspection in 9 hours/man.
    • 300 FH inspection in 100 hours/man.
    • 600 FH inspection in 475hours/man.
    
        

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