New frequency for Cape Town airport

2011-03-10 18:59
Cape Town - The radio frequency for Cape Town International Airport has changed from 126.5 MHz to 131.125 MHz to minimise technical issues and free up airspace, the Civil Aviation Authority (Sacaa) said on Thursday.

"The airport's Flight Information Services west frequency change [on the VHF band] was done for technical reasons," Sacaa communications, navigation and surveillance manager Koos Pretorius said.

"Where a large number of operational frequencies are concentrated on a major airport, such as Cape Town, the simultaneous use of two frequencies causes a third frequency, which will interfere if that third frequency is in use."

Pretorius said another technical issue was where multiple frequencies used a common antenna, limiting the number of suitable frequencies available.

Limited airspace was another issued factored into the change.

Over time it became virtually impossible to allocate frequencies for all services, and at the same time accommodate the limited frequency coverage of certain aircraft, said Pretorius.

He said the VHF band was not limitless, with all African countries on 25 KHz channel spacing in the aeronautical band.

The band was controlled by an International Civil Aviation Organisation regional band plan for Africa and the Indian Ocean region.

The plan sub-divided the band between 118 MHz and 136.975 MHz into many allotments, each with a dedicated purpose.

Pretorius said the frequency change was published in an Aeronautical Information Circular in 2002.

"We wanted the aviation community to have adequate time to prepare for envisaged changes such as this one. We understand that there will be teething problems at the beginning."

Most aircraft would be compliant as they had the radio communication equipment capable of operating within the required frequencies, he said.

Join the conversation! encourages commentary submitted via MyNews24. Contributions of 200 words or more will be considered for publication.

We reserve editorial discretion to decide what will be published.
Read our comments policy for guidelines on contributions.
Read more on:    caa  |  cape town  |  air travel

linking and moving

2015-04-22 07:36 publishes all comments posted on articles provided that they adhere to our Comments Policy. Should you wish to report a comment for editorial review, please do so by clicking the 'Report Comment' button to the right of each comment.

Comment on this story
Comments have been closed for this article.

Inside News24


Rugby World Cup 2015

All the action from the 2015 RWC, including live coverage of all 48 matches, breaking news, fixtures, results, logs - and much more!


Rugby World Cup 2015

Du Preez key to Boks' success
Cheika taking it one game at a time
Cotter: 'No beer bribe for Samoa'
England lost trying to copy All Blacks
Traffic Alerts

Spontaneity is the order of the day. Let go and have some fun. Try not to set too many set plans and expectations and enjoy more

There are new stories on the homepage. Click here to see them.


Create Profile

Creating your profile will enable you to submit photos and stories to get published on News24.

Please provide a username for your profile page:

This username must be unique, cannot be edited and will be used in the URL to your profile page across the entire network.


Location Settings

News24 allows you to edit the display of certain components based on a location. If you wish to personalise the page based on your preferences, please select a location for each component and click "Submit" in order for the changes to take affect.

Facebook Sign-In

Hi News addict,

Join the News24 Community to be involved in breaking the news.

Log in with Facebook to comment and personalise news, weather and listings.