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Nabla Mobility


The primary problems of aviation remain efficiency and safety, with deep complexities residing in the interplay and balancing of the two. The common understanding is that there is tradeoff between efficiency and safety, especially in the real world operations, as aircraft encounter weather and traffic, and operators simultaneously prioritize on-time performance and passenger comfort.

Additionally, the global push for sustainability has meant that decarbonization has become the intrinsic goal of efficiency, as aviation produced 2% of total global emissions in 2022, while pledging carbon neutrality by 2050.

Is it possible to improve efficiency and safety simultaneously?

Is it possible to untangle all of the complexities that overload pilot’s situational awareness and complicate inflight decision making?

Is it possible to overcome the barriers to achieving higher levels of operational efficiency and direct decarbonization?

Is it possible for decarbonization to occur in short order, with a solution that is not short term?


Turbulence is the leading cause of airline safety incidents, accounting for 37% of all recorded incidents in the United States (this is a broad measure that includes ground, cabin and runway incidents). Traditional methods of navigating around turbulence are largely dependent on pilot’s intuition, backed up by training and accumulated experience.

In this way, pilots and operations teams are forced to contend with a complex decision-making process, while only having a coarse understanding of where turbulence may or may not be.

Ultimately, the limiting factor is the current level of technology involved with turbulence prediction. The granularity of current systems is 100x100km, and are primarily based on vertical wind shear (one of many factors in the manifestation of turbulence). This creates a gap between what is detectable by current systems, and what is relevant to pilots.

Currently, the best supplementary tool is PIREPS (Pilot Reports), that are circulated only after an initial aircraft has encountered turbulence significant enough to manually report. Apart from being retroactive, the extent and spread of turbulence remains unknown. PIREPS prompt wide, inefficient diversions by the following planes, often without the guarantee of complete avoidance.

This is an intractable problem that airlines are continually challenged by, and have been looking for solutions as far back as we can find.

The problem is also set to get worse, with academic studies finding that increased energy in the atmosphere due to global warming causes an increase in the incidence of turbulence. Conventional methods to avoid turbulence are expected to lose effectiveness.

Turbulence is already the leading cause of safety incidents, and set to get worse


Fuel efficiency is intrinsically tied to decarbonization, however balancing overall operational efficiency, through traffic, passenger comfort, safety and on time performance, requires increasing fuel consumption. Between 20-30% of airline expenditure is fuel. With fuel prices rising, ticket prices are increasing to compensate, putting pressure on affordability.

Traffic burns more fuel.

Ensuring passenger comfort burns more fuel.

Weather burns more fuel.

Ensuring on time performance burns more fuel.

Isolating and solving a single problem may only produce limited benefits, may be impossible to act on due to constraints or conditions, and may be factored out when unintended costs are considered. This is because the complexities of aviation are so tightly coupled with each other.



We apply Machine Learning and Artificial Intelligence to untangle the complexities of aviation on behalf of pilots and operations teams. Our approach uses software to reduce fuel consumption and carbon by ingesting, reprocessing and upgrading flight plans with comprehensive, multi-objective, strategic flight optimizations for pilots, resulting in increased operational resilience.

The immediate effect is finding 4-5% (average maximum) more fuel optimization during cruise without hardware changes, regardless of fleet age, regardless of current or future engines and fuels.

What makes it different?

We take a fundamentally different approach to producing optimizations compared to conventional flight planning, and even compared to contemporary third party solutions. Untangle is built to solve multiple problems simultaneously with fine granularity, then comprehensively balance the results based on the needs of the pilot, and the goals of the operations team.

Comprehensive and balanced

In this way, Untangle is a framework for several ML/AI models to work in modular fashion. Each model is developed, tested, and validated independently, using state of the art techniques. The current version of Untangle combines a more accurate fuel model, a precise altitude optimization, and a high resolution global turbulence forecast. By themselves, multiple new, cutting edge models would facilitate new levels of optimization. But these benefits would remain fragmented, each siloed in its own domain. Together, with Untangle orchestrating them, they represent a method to simultaneously increase safety and efficiency.

Upgradable and expandable

Although the performance has been validated for all current models, none of them are standing still. Each is continually refined, and continuously developed based on what is learned. New versions, with better performance are on the way. Similarly, the current features represent the start of Untangle’s roadmap. More models are in the works, and new features will be added.

Untangle itself, as a framework for synthesizing and balancing these objectives, is continually improving, adding to the ways optimizations can be tailored to each carrier, and each pilot.

Multi-objective and tailored optimization

By simultaneously computing multiple objectives for in-flight operations Untangle is able to treat each as a parameter. The differing priorities and brand values of different airlines can be expressed by setting a desired balance between safety, comfort, on-time performance, and fuel efficiency.

For Operations

The tailoring of optimizations enables operations teams to set goals for the year at the organizational level, and set parameters for how flights will be optimized in order to realize those goals. These parameters can be tweaked at any point throughout the year, and apply to all flights that get optimized. Hitting operational goals should produce a knock-on effect of freeing up capital to devote to the purchase of SAF or SAFc, further accelerating decarbonization efforts.

For Pilots

Within this operational tailoring of optimizations, pilots still have the freedom to choose the best option to fit the context. Our technology is built to increase situational awareness through higher resolution forecasts, and precise avoidance. Rather than remove agency from pilots, or insert tactical instructions, we aim to provide strategic options. Multiple optimizations are generated for each flight, each optimization representing a strategic priority: safest, fastest, or most fuel efficient. The aim is to supplement the experience and skill of the pilot, and reduce the cognitive load involved in complex in-flight decision making.

Current features

Feature 00
Turbulence prediction

Our turbulence prediction capabilities come from building a physics based machine learning model developed to address a specific pain point for aviation: turbulence is a largely unseen and safety problem, that burns a significant amount of extra fuel. What if we could have a high resolution map of turbulence, and precisely avoid it? In an industry first, the turbulence prediction model does just that, with preliminary validation showing an increased prediction rate of 7-14x over VWS. The model also drastically increases the resolution of turbulence data, from 100x100km, down to 0.25 degrees.

Conventional wind shear model

NABLA Mobility turbulence prediction

Launch capabilities include:
  • 60 hours of prediction, minimum
  • Predictions that include CAT and MWT
  • High resolution data (0.25 degrees)
  • Global coverage
  • FL50 to FL450
  • 7-14x improved accuracy vs VWS models

enroute detection success

Learn more in White Paper 01: Better Strategies for Turbulence Avoidance >

Feature 01
Altitude optimization based turbulence avoidance

The altitude optimization model takes advantage of the high resolution turbulence prediction as a base by looking at conditions between waypoints, at an interval of 15NM, rather than only at waypoints, fundamentally opening up the options available with a fine grain grid. When it compares this high resolution reading of weather, it includes a granular understanding of the wind profile as well, in order to find tail winds and avoid headwinds. When paired with the precision of the fuel model, described below, the altitude optimization model finds the lowest cost path, the safest path, and the fastest path, presenting all as options for pilots to take advantage of. Additionally, speed settings are included in the recommendation to provide maximum control over fuel savings. Turbulence thresholds can be tailored as well, meaning that recommended paths will achieve the best efficiency available within a given passenger comfort and safety range.

fuel reduction (average maximum) during cruise phase

Learn more in White Paper 01: Better Strategies for Turbulence Avoidance >

ViaSat Wireless IFE

ViaSat W-IFE

An unrivalled platform with the power to drive engagement and ancillary revenues before, during and after flight.

ViaSat W-IFE is far more than class-leading In-Flight Entertainment system that streams content to passenger or airline-owned devices. It is a platform that allows the airline to truly control and measure the passenger experience in real time, to personalise the offering, and to maximize engagement and ancillary revenues.

Our W-IFE can host a wide range of premium services such as movies and TV shows, ecommerce, games, music, food and beverage, surveys, internet access and any other service the customer requires. It allows passengers to purchase goods and services before, during and after the flight and the airline to offer more purchasing opportunities.

Learn more about ViaSat Wireless IFE here.

Download our Tigerair Australia case study

AirsideWatch (Airport Operations)


About AirsideWatch

Airside Watch is a non-intrusive solution to estimate the braking action thanks to flight data and radar data in order to provide Air Traffic Controller, Pilots and Airport Operators with objective, accurate and up-to-date information on the braking condition of the runway. It is also a dashboard that provides statistics on the different safety and operational issues at the airport.

It is a patented technology based on A-SMCGS data. There is no additional equipment to install, we use the radar feed to analyze all landings and movements. The results are displayed through dedicated interfaces and provide several outputs:

  • First, in a real time, it provides timely warnings that can be passed to pilots and used as decision aid to determine runway treatment.
  • An exclusive and accurate feedback system, with general and individual statistics (based on location, air carrier, aircraft type) that points out weaknesses and key factors that affect safety and operational efficiency.


Formed in 2010 with office locations in the United States of America, Denmark, Canada and India, GigSky for Enterprise offers end-to-end mobility services to meet your airline connectivity needs.  With global coverage across 190+ countries, GigSky provides superior international network coverage through Tier 1 operators at competitive roaming rates. The GigSky Enterprise Portal provides reports and analysis that help intelligently track mobile data across your organization. GigSky Enterprise Portal Admin Users can create custom notifications, manage data policies, and see usage in real-time. 

Gigsky’s GSM Roaming Data provides the following: 

  • Consumer Data Roaming Solutions
  • Enterprise Data Roaming Solutions
  • OEM Data Roaming Solutions

A Network Built for Critical EFB Connectivity

  • 190 – Country Coverage
  • Tier 1 Mobile Network Operators
  • Tools to Monitor and Analyze EFB Data Use
  • Fully Redundant, Global Network
  • Affordable Zone Pricing


SITA FOR AIRCRAFT – Pioneering seamless e-Aircraft solutions across your entire fleet

SITA FOR AIRCRAFT sets the benchmark for true e-aircraft nose-to-tail solutions, providing the complete range of products and services an airline needs to realize the full potential of the connected aircraft. Our portfolio includes services for airline commercial management, passenger connectivity, flight operations, aircraft operations, air-to-ground communications and more

Airline strategies

We unlock airline challenges and enable them to streamline cabin and cockpit operations, optimize maintenance and flight operation procedures, improve airline and passenger safety, as well as personalize the passenger experience and grow ancillary revenues.

By providing up-to-date information and enabling real-time communication between staff, operational efficiency can be improved substantially. Eliminating paper-based documentation and shifting to digital solutions provides immediate reductions in delays, improved fuel efficiency and better customer service, creating a profitable airline. Moreover, real-time updates to dynamic operational information will improve decision-making and reduce disruptions.

User solutions

By combining your expertise about people and processes with our connectivity innovation and experience, we deliver co-created, user-centered solutions for passengers, cockpit and cabin crew, flight operations, air traffic control and aircraft health

Front-line product innovation

Our integration expertise means we’re able to bring trusted innovation to the market through our portfolio of e-Aircraft™ solutions for both sides of the cockpit door. 

 Find out now how SITA FOR AIRCRAFT can digitize your airline, visit www.sitaonair.aero

SITA FOR AIRCRAFT was launched on 1 January 2015 as part of the SITA Group. We have 400 airline customers operating over 14,000 aircraft, and 80% of the of the world’s airlines use SITA FOR AIRCRAFT AIRCOM® to connect every resource, from pilots to ATC. It is headquartered in Geneva, and has offices in London, Montreal, Atlanta and Singapore, with more than 280 staff worldwide.

Scandinavian Avionics A/S

Scandinavian Avionics A/S (SA) was established in 1978 with the objective to serve the civil aircraft industry within sales, installation and maintenance of avionics. Since then, Scandinavian Avionics A/S has expanded into a larger organization – The SA Group.

Today, over 30 years after the foundation, The SA Group is a highly experienced avionics organization characterized by high quality products, services, worldwide support and a responsive, open-minded and professional attitude in all aspects of the business.

From the corporate headquarters in Billund, Denmark and divisions in Sweden, Norway, Greece, Malaysia, Bahrain and India, The SA Group provides avionics installation, certification, maintenance, support and training with the main business platforms being larger helicopters, business jets, regional airlines and defense electronics.  In addition, SA is an appointed distributor and service centre for most of the civil avionics manufacturers and has commercial agreements with many key military producers – several on an exclusive basis.

All products and services are based on relevant approvals such as EASA/FAA Part-145 Maintenance, Part-145 POA, Part-147 Training and specific local civil and military agreements. Furthermore, SA holds the Part-21 DOA and has obtained more than 400 certifications via this EASA privilege.

Worldwide service and support
The customer base is geographically spread over all of Europe, Africa, CIS, the Middle and Far East, and all customers are able to enjoy SA’s worldwide technical services on-site at the customer’s location, available around the clock.

The worldwide service is carried out from 8 service centers in Europe, the Middle and Far East. The SA service centers are manned by a well-trained staff and recognized by most manufacturers and all services are based on their recommended procedures, test equipment, tools and documentation.

The technical services at the service centers are performed in close co-operation with the main centre in Billund through online connections, taking advantage of joint experience and local knowledge, providing immediate and qualified on-site system troubleshooting, repair and installation work as well as upgrade of certifications according to local or EASA requirements.