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Part #:

Model: ST3453H




ST3400H-900N MIL-STD TAWS, Gray

Part Number :

ST3453H HeliTAWS
  • Self-contained Class B HTAWS (Helicopter Terrain Safety System) and GPWS Computer
  • Designed for broad military applicability
  • Enhances situational awareness in low visibility conditions and low altitude flying, day or night
  • TruAlert® technology eliminates nuisance alerts and ensures accuracy at all operational altitudes
  • Incorporating an integrated ultra-bright 3D terrain display - provides straightforward replacement for existing RadAlt indicators
  • MIL-STD-3009 NVIS Compatible
  • MIL-STD-810G Compatible
  • MIL-STD-1553 Bus Interface

Additional Information: Click Here for Pilot's Guide

Dimensions: Length: 7.8” in from rear of bezel (excluding connectors) Body: 3.17 in x 3.17 in Bezel: 3.29 in x 3.29 in Weight: 3.0 lbs
Display/SIZE: LCD projection with LED Backlight, 2.9” x 2.9” min display area Daylight Mode: Sunlight Readable
POWER: 22-33 VDC, 40 watts maximum Altitude: +55,000 ft max
Cooling Requirements: None Temperature: -40°C to +55°C 
MAP: High-resolution map depicting GPS flight plan, terrain, obstacles, transmission lines, airports, traffic, and highways Terrain: Map ranges from 0.5nm to 20nm full scale Relative Mode (REL): Terrain color coded relative to current helicopter altitude Topographic Mode (TOPO) with terrain above in RED
Radalt: Digital Radar Altitude display with pilot adjustable MINS setting Alerting: FLTA: Terrain Obstacles Wires (including Transmission Lines)
Alerting: GPWS: Mode 1: Excessive Rate of Descent Mode 3: Altitude Loss After Takeoff or Missed Approach Mode 4: Flight Into Terrain When Not in Landing Configuration Mode 5: Excessive Downward Glide Slope Deviation Mode 6: Altitude Callouts Alerting: RADALT: Selectable Altitude Callouts down to 10’ AGL. MINS alert
Alerting:Bank: Excessive Angle (optional) Mounting: Standard 3-ATI clamp
Certification: TSO C194, TSO C113, TSO C87, TSO C118 TCAS 1, RTCA/DO-178B Software Level C, RTCA/DO-254 Hardware Level C, RTCA/DO-160F Environmental:  Cat: [A2F1Z]BBBUXXXXXXZZAZ[ZW][YY]M[A3G33]XXAX
GPS INPUT:: ARINC 429, RS-232, MIL-STD-1553B (Note: requires a high resolution GPS.)  Heading Input: ARINC 429, XYZ Synchro, MIL-STD-1553B
VOR/Localizer Input: ARINC 429, Low-level analog, MIL-STD-1553B Glide Slope Input: ARINC 429, Low-level analog, MIL-STD-1553B
Radar Altimeter Input: ARINC 429, Analog, MIL-STD-1553B Pressure Alt. Input: ARINC 429, Analog, MIL-STD-1553B
Traffic Input: ARINC 429 (for display of traffic) Discretes Input: External Switch Inputs: Sens/Inhibit; Mute; Glide Slope Override
Audio Output: 500 ohm 125mw Discretes Output: Caution, Warning, Inhibit, Mute, Sensitivity/Off-Airport, Radalt MINS, Glide Slope Override
DataPort: 100Mbs Ethernet (optional)
Part NumberHTAWS/GPWS Description:
90263-A ST3400H-900N, Gray Bezel
90264-A ST3400H-901N, Black Bezel
*Includes: Pilot's Guide, Configuration Module & USB Cable


- ST3400H-900N MIL-STD TAWS, Gray
Price Condition Status
- ST3400H-901N MIL-STD TAWS, Black
Price Condition Status
PLEASE NOTE - Publications are for Reference Only