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UK AIS Website problem History
Although the majority of these problems have now been fixed this page has
been left on the site for historical reference.
AES, the Web Browser interface for ANAIS runs on one of two servers. This allows one
to be taken off-line for maintenance if required. As well as
hosting AES these servers also host AIC's the AIP and a variety of other
information. There have been teething problems with the servers which have led
to them being rebuilt and it also appears that demand is far higher than was
anticipated by the system design. There are currently more than 9,300 registered
users. Before the introduction of ANAIS, aerodrome operators would download the
A1/A8 bulletins daily. This was a simple download requiring no server-side
processing.
 | Under the current system every download generates a separate query on the
core database. |
| Because there is currently no satisfactory alternative to the old A1/A8
bulletins pilots are tending to request narrow route briefings, greatly
increasing the number of queries. |
| Because the system is new, users are experimenting with it. |
| More traffic is being generated because of teething problems with the system. |
| There is a peak of activity each month when the AIRAC cycle kicks in, which
involves a lot of data on the servers being updated and a lot of users
downloading all of the updated information. |
All of these issues are putting a lot of strain on the servers which is
sometimes leading to denial of service. UK AIS are actively pursuing this
problem and are investigating a hardware solution to increase capacity.
A software update on 6 November 2002
appears to have greatly enhanced the system's speed of operation.
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| 3 Oct 2002 |
A lot of links on the site require Adobe Acrobat Reader.
Download links should be provided |
| 3 Oct 2002 |
Home icon on page
http://www.ais.org.uk/aes/pubs/default.htm
used to return 404 error. 8/10/02 Now re-displays the same page rather
than going back to the main AIS homepage.
4 Nov 2002. This has now been fixed. |
| 3 Oct 2002 |
NavBar dropdowns appear separated from the NavBar using WIN
98SE and IE 6.0.28 Same IE version is ok With Win 2k.
This has now been fixed |
| 3 Oct 2002 |
Spelling error on briefing pages - Asterix is a French
cartoon character. Correct spelling is asterisk. Click
here
to view a corrected page ;-) This
has now been corrected. |
| 3 Oct 2002 |
Results pages:- Many users will require to print PIB’s, e.g.
for display on the self-briefing boards at airfields and flying clubs. There
are a number of problems with the current design. When reading a briefing
it should be possible to see all of the parameters that were used in
extracting it. At the moment Flight Level information does not appear in
Narrow Route Briefings.
The header of a PIB should include a note of the number of pages, otherwise
a user has no way of checking whether all pages are present in a printed
copy.
Where the PIB runs to more than one page there is no printed document
identity on each page allowing it to be identified with other pages forming
part of the same briefing and no page number. For example if a flying club
printed a briefing for the local training area and another briefing for the
whole FIR it would not be possible to determine which briefing a particular
page belonged to. This could be simply solved by incorporating a page header
or footer containing a date/time stamp for the briefing and a page number.
The above problems may not be solvable using the current method of simply
printing the web page. It may be necessary to format the text into a
downloadable document in order to achieve page headers or footers.
A
workround
to alleviate this problem was published on the AIS website on 16 October
2002
|
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| |
No reported problems at present. |
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| 7 Oct 2002 |
First FIR field is mandatory and so should be
tinted yellow for consistency of design. (webmaster - cell needs class of
"mandatory" applied to do this). The whole line of fields covering date,
time, departure and arrival AD's does not contribute to the result and
should be removed. |
| Date |
Description |
| 7 Oct 2002 |
Route Briefing is of little use. You get NOTAM for the whole
FIR so it is the same as an area briefing with some of the aerodromes
filtered out. Radius field appears to do nothing and Lower and Upper FL
fields appear to do nothing. First FIR field is mandatory and so should be
tinted yellow for consistency of design. (webmaster - cell needs class of
"mandatory" applied to do this). The whole line of fields covering date,
time, departure and arrival AD's does not contribute to the result and
should be removed. |
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| 3 Oct 2002 |
Selected Flight Level does not appear on
results page. This has been
requested from the manufacturer. |
| 11 Nov 2002 |
If arrival and departure aerodromes are set the
same no en-route information is returned if the routing is DCT. A user might
choose this with a Route Width of 30 nm to check for NOTAM within 30 nm of
his base. If the routing is changed so that it is indirect (e.g. by
specifying a turning point at the aerodrome co-ordinates) then the en-route
info is returned. |
| 11 Nov 2002 |
Height filtering does not work. Setting FL100
returns NOTAM with an upper limit of FL020 for example.
An explanation of the height
filtering algorithm is now included in the FAQ. |
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| 3 Oct 2002 |
Page 3 of the AIS Briefing Help document issued
on 24 Sept 2002 contained instructions on obtaining a NOTAM brief for 50NM
around and Airfield with an ICAO Locator. These instructions did not work. The AIS Briefing Help
document was updated on 31 Oct 2002 to correct this issue. However the
suggested method of obtaining a local area brief remains cumbersome and time
consuming. |
"Date" is the date UK AIS were notified of this issue
| Date |
Description |
| 3 Oct 2002 |
“Briefing Handbook” is inappropriate terminology. Most
people would expect this to be a handbook on how to get a briefing. (“My
Briefings” or “Saved Briefings” are suggested as alternatives.) |
| 3 Oct 2002 |
The Briefing Handbook page incorporates a control that
obscures the dropdown menus. If this control MUST be always on top then it
should be moved to a position where it does not affect other controls (e.g.
to the right of “Briefing Handbook”) |
| 3 Oct 2002 |
A delete option is required under “Selected Briefing” |
| 3 Oct 2002 |
Every time a briefing is re-used a new copy of it is
created, to no good purpose. |
| 3 Oct 2002 |
A briefing that was saved with the "Notams with effective
date earlier than" field left blank so that all NOTAM are included has a
zero in the field when it is retrieved so that only the current day's NOTAM
will be extracted. Fixed 16 October
2002 |
| 3 Oct 2002 |
Select a briefing. click "update", returns E0733 error.
Fixed 16 October 2002 |
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