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Combining theory, data and practical knowledge

To70 performs many projects, ranging from noise calculations to flight procedure design and from airport master planning to safety assessments. These projects are all very different, but they have one thing in common: every project is built upon a combination of theory, objective data and...

Aviation Business Continuity following the COVID-19 crisis

COVID-19 in 2020 The current measures – as of the third week of March – that are in place across the world to contain and reduce the effects of the Corona virus COVID-19 place aviation in uncharted waters. The reduction of flights has reached over ninety...

Is data complexity a threat for flight safety?

“Everything simple is false. Everything which is complex is unusable.” This thought, originally expressed by philosopher Paul Valéry in 1937, might occasionally pop up when you work with data models or numerous guidelines in a complex domain such as ATC or AIS/AIM (Aeronautical Information Service/Management)....

A few facts about 100 years of Schiphol

Schiphol, founded in March 1916 as a military aerodrome, is not the oldest airport in the Netherlands; Soesterberg is. However, Soesterberg, open since 1913 only has glider flights these days. Schiphol has grown in 100 years to a major international airport moving over 55 million...

Unlawful Interference

“More than 900 airline passengers 'murdered' in past two years” was the headline in a recent article in the UK newspaper: “The Independent”. The article was based on a set of aviation safety statistics for 2015 prepared by To70. ‘Murder’ is not a phrase we...

Happy New Year!

First of all we want to take a moment to address our clients and relations: Thank you for the trust over the last year, may the New Year bring us more wonderful opportunities to work together. Happy New Year, for you and your loved ones! Last...

Aviation safety review: facts and improvements

Any accident involving any form of public transport will make the news bulletins. The reason is simple: when a train, bus or airplane crashes a large number of people are involved. And this large number of people has an even bigger number of friends and...

Drones in controlled airspace; a growing nuisance.

Dutch legislation on the commercial use of drones is about to change, allowing for so-called mini drones (less than 4kg) to be used for commercial purposes without license. An interesting report relating to this topic was discussed by Chris Perkins on the Mashable blog: Documents reveal...