In the monograph “Development of navigation technologies for aviation safety enhancement” by S.V. Baburov, V.N. Perelomov, O.I. Sauta under scientific editorship of Shatrakov Y.G., Prof. Dr. Eng., Honored Science Worker of Russian Federation, the theory and principles of the following issues are substantiated for the first time:
- Decrease of navigation parameters error limit to less than 1m with deployed airborne satellite landing equipment which processes information from global navigation satellite system (GLONASS) and local corrective-controlling station in differential mode or relative radio navigation mode;

- Scoring of all determinants for selecting basic items of satellite landing system and ground collision avoidance system;

- Assessment of integrity of information received by airborne equipment from GLONASS for instrumental landing;

- Airborne equipment integrated functioning in ground collision avoidance and satellite landing modes for the aerodromes that are not fitted with equipment of VHF band for ILS landing as well as for all aircraft that are not equipped with altimeters, including small aircrafts;

- Information processing for pseudo range compensation in ground and airborne GLONASS equipment that allows to significantly improve aircraft’s positioning accuracy;

- Using of pseudo satellites in satellite landing system that allows to exclude the effect of the signal level variation during instrumental landing;

- Three-dimensional synthesis of the underlying surface’ cross-sections with determining of the most dangerous heights by means of navigation information from GLONASS and underlying surface database which is preliminary input into airborne equipment before the takeoff;

- Issuing of the turn command to avoid the collision with an obstacle at the distance approx. 6 km. The algorithm and software are based on underlying surface’ downrange form analysis and the aircraft performance characteristics, giving the pilot open time up to some dozen seconds for the maneuver to avoid the collision;

- The algorithm and software for the dangerous ground profile assessment that allows warning the pilot before approaching the obstacle situated at the safe distance, for the turning maneuver. Software execution is based on the solution for aircraft’s dynamic motion equation;

- The algorithm and software for chosen path flight safety assessment and warning the pilot in due time before approaching an obstacle;

- The algorithm and software for aircraft positioning regarding the virtual glide path in order to fix aircraft’s deviation from the touchdown point on the runway. For that purpose the pilot is provided with information on necessary changing of push-down acceleration for landing to the chosen touchdown point;

- New directions in airborne equipment design for flight safety enhancement, more accurate aircraft positioning and correcting deviations from the intended flight route. These directions are associated with multifunctionality, portability, intergratedness, multichanneling, backup, inspectability, control capability. They are all put into practice in specified radio technical systems and airborne equipment that are mass-produced by JSC “VNIIRA” and LLC “VNIIRA-NAVIGATOR”.

Abbreviations
Introduction

1. GENERAL DESCRIPTION OF AIRCRAFT SAFETY OVERSIGHT PROBLEMS
1.1. Analysis of current situation and perspectives for development of instrumental landing systems and terrain awareness warning systems
1.2. Features of global navigation satellite systems as an instrumental foundation for flight safety enhancement
1.3. Functional supplements – main way of GLONASS performance characteristics improving
1.4. Analysis of requirements to instrumental landing systems and terrain awareness warning systems
1.5. General methods and means of efficiency enhancement for instrumental landing systems and terrain awareness warning systems
1.6. Aircraft flight safety indicators
Conclusions for Chapter 1

2. METHODOLOGICAL FOUNDATIONS FOR INSTRUMENTAL LANDING SYSTEMS AND TERRAIN AWARENESS WARNING SYSTEMS DESIGN
2.1. Theoretical foundations of formalized methodological approach to selection of radio-electronic complexes’ basic blocks for improved efficiency and flight safety
2.2.Methods for structure design of ground and airborne radio-electronic complexes for satellite landing systems based on functional GLONASS supplements
2.3. Rules and practices for design of terrain awareness warning system using GLONASS technologies
2.4. Main directions and paths for improvement of satellite landing systems and terrain awareness warning systems
Conclusions for Chapter 2

3. EFFICIENCY AND FLIGHT SAFETY IMPROVEMENT METHODS FOR SATELLITE LANDING SYSTEMS
3.1. Method for improvement of guidance commands accuracy and integrity based on the diagrams of volume error distribution for multipath radio wave propagation; structure of a system for its implementation
3.2. Method for maintaining guidance commands integrity and continuity using integral signal-noise ratio for pseudo-ranges in the presence of radio interference
3.3. Method for improvement of guidance commands accuracy and integrity based on errors compensation for pseudo-range detection using phase measurements; structure of radio-electronic complex for its implementation
3.4. Method for improvement of guidance commands accuracy, integrity, readiness and continuity based on using pseudo-satellites signals and structure of a system for its implementation
Conclusions for Chapter 3

4. METHODS FOR EFFICIENCY AND FLIGHT SAFETY ENHANCEMENT BASED ON TECHNOLOGIES THAT ARE USED IN TERRAIN AWARENESS WARNING SYSTEMS
4.1. Method for flight safety enhancement by forming a warning against possible ground collision using 3-D synthesis of underlying surface cross-sections and displaying dangerous objects
4.2. Method for efficiency and flight safety enhancement by assessment of the possibility for vertical maneuver and turn directional decision
4.3. Method for efficiency and flight safety enhancement by recognition of dangerous relief with due consideration of turnaround; structure of a system for its implementation
4.4. Method for efficiency and flight safety enhancement by analyzing the space in the safe passage
Conclusions for Chapter 4

5. INTEGRATED TECHNICAL SOLUTIONS BASED ON TECHNOLOGIES APPLIED BOTH IN TERRAIN AWARENESS WARNING SYSTEMS AND SATELLITE LANDING SYSTEMS
5.1. Design principles of integrated system for flight safety enhancement based on terrain awareness warning systems and satellite landing systems
5.2. Method for prevention of aircraft landing on unsanctioned runway by computing virtual glide path
5.3. Method for informing of aircraft or UAV location during landing or movements after landing
5.4. Estimation of efficiency and flight safety enhancement degree when using integrated systems
Conclusions for Chapter 5

6. RECOMMENDATION ON APPLICATION OF SUGGESTED TECHNICAL SOLUTIONS IN TERRAIN AWARENESS WARNING SYSTEMS AND SATELLITE LANDING SYSTEMS
6.1. Design principles and engineering specifics of airborne equipment for flight safety enhancement
6.2. Design of airborne navigation-landing complex based on satellite landing system and terrain awareness warning system
6.3. Results of flight tests for satellite landing system
6.4. Results of flight tests and field evidence for enhanced ground proximity warning module
Conclusions for Chapter 6

CONCLUSION
REFERENCES