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3-D Airspeed Sensor for All Phases of Rotorcraft Operations

Award Information

Department of Defense
Award ID:
Program Year/Program:
2007 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Aerotech Research
11836 Fishing Point Drive, Suite 200 Newport News, VA 23606 4507
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2007
Title: 3-D Airspeed Sensor for All Phases of Rotorcraft Operations
Agency / Branch: DOD / NAVY
Contract: N68335-07-C-0234
Award Amount: $79,999.00


Current airspeed measurement systems on military and civilian rotorcraft pose a safety hazard and operational liability because the measurement of airspeeds is unreliable below 40 kts, because only forward air speed can be measured, and because the system cannot provide a directional component to the air flow. Using patented and combat proven thermal anemometer technology, AeroTech will develop an air speed sensor that will provide accurate airspeed measurements in all three axes within rotor downwash; will detect and measure airspeeds down to "creeping flow" (less than 0.1m/s), that will provide an airflow angle; and that will be low cost, low weight, and have low power consumption. The sensor will be rugged, low maintenance, and be able to be retrofitted into current helicopter avionics systems. Accurate, three axes measurements of low airspeeds and airflow direction will assist pilots in precision maneuvering in combat operations, weapons employment, landing on ships, and landing in rough and dense terrain. The Phase I feasibility analysis and limited laboratory testing will demonstrate that the proposed concept meets the requirements and will provide the foundation for development of the sensor in Phase II.

Principal Investigator:

Paul Robinson

Business Contact:

Steven Velotas
Vice President, Operations
Small Business Information at Submission:

11836 Fishing Point Drive Suite 200 Newport News, VA 23606

EIN/Tax ID: 541693812
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No