Athena 411 Integrated Flight Control System


GS Customer Support

Features & Benefits

  • Accurate roll, pitch and heading in dynamic environments and sustained turns
  • WAAS-enabled, differential-ready GPS
  • Kalman filter algorithms for full INS and attitude solution
  • A tactical, low-cost, integrated INS/GPS/ ADAHRS and flight controls system
  • Dual airspeed and altitude air data measurement



INS/GPS Performance:
Update Rate100 Hz
Start-up Time10 seconds (initial attitude); 2 minutes (full alignment)
Heading Range± 3.14 rad (± 180 deg)
Attitude Range Pitch± 1.57 rad (± 90 deg)
Attitude Range Roll± 3.14 rad (± 180 deg)
Altitude Range-304.8 m to 15,240 m (-1,000 ft to 50,000 ft)
Altitude Accuracy13.7 m (45 ft) at sea level, 76.2 m (250 ft) at 12, 192 m (40,000 ft) altitude
GPS RangeWorldwide
Lat/Long Position/Velocity AccuracyGPS C/A Code; differential-ready, WAAS enabled
GPS Antenna Power3.3 V standard or 5 V optional with embedded GPS
Airspeed Accuracy< 2 knots @ 40 knots, < 1 knot @ 60 knots
Max Airspeed200 knots standard, up to 650 knots available
IMU Performance:
Maximum Angular Rates± 3.49 rad (± 200 deg/s)
Maximum g Range± 7 g
Attitude Heading Accuracy (1 Sigma) with GPS:
Pitch/Roll Accuracy1.75 mrad (0.1 deg)
Heading Accuracy1.75 mrad (0.1 deg)¹
Attitude Heading Accuracy During Extended GPS Outage (1 Sigma):
Pitch/Roll Accuracy8.73 mrad (0.5 deg)¹
Heading Accuracy17.45 mrad ( 1 deg)¹
¹Dependent on the accuracy of the measured external magnetic field

Physical Specs

Size11.43 x 10.9 x 12.4 cm (4.5 x 4.3 x 4.9 in)
Weight1.0 kg (2.2 lb)
Power6 W (nominal) @ 18-36 VDC, 12 W peak


Power consumption is 6 watts nominal, 12 watts peak @ 18-36 VDC.
Power characteristic interfaces are designed according to MIL-STD-704D, F.

Typical System


Part Number


Athena 411



GPS antenna


Lab ready

GPS antenna


Flight ready

Related Documents

User's Manual 523-0020173-001 is available upon request.


We offer a wide range of training courses suitable for both individuals and groups. These courses can be aimed at varying levels from basic user operation to complex fault finding. Field service engineers can visit your facility to conduct training courses.

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Services & Support

Field Support Services

Dedicated Field Service Engineers are there to respond to your support requirements. If technical assistance is needed, troubleshooting and on-site support are available to meet your needs. Contact a representative

Tailored Services

Rockwell Collins is at the industry forefront when it comes to working with customers to develop and employ affordable logistics solutions throughout the product life cycle.  Our established 24/7 global service and support capability, over 80 worldwide locations, and over 3,200 dedicated employees provides original equipment manufacturer (OEM) quality service, logistics and field support. 

Rockwell Collins Performance Based Logistics (PBL) delivers the best combination of commercial best practices with proven logistics expertise to support challenging and ever-changing military operational requirements. PBL solutions ensure guaranteed performance for the warfighter and predictable maintenance costs.

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Maintenance & Repair

Collins Aerospace facilities and capabilities allow us to offer a variety of support solutions from time and material repairs to fully integrated performance based logistics via both Contractor Logistics Support (CLS) and Public Private Partnerships (PPP). The end result is increased operational readiness for the warfighter. Contact a representative

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GS Customer Support