EVALUATION OF THE PRIMARY FLIGHT HELMET, DEVICE 12-BK-6 (IMPACT-AUDIBLE SIGNAL SYSTEM FOR FLIGHT TRAINING).
Abstract
Ten tests were made of the Impact-Audible Signal System, Primary Flight Helmet Device 12-BK-6 (PFH). In general, it was found to be unsatisfactory.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1949
- Accession Number
- AD0657474
Entities
People
- John W. Black
Organizations
- Kenyon College