UK NDB only timed approaches
Hi all,
Hoping someone can help with a query. Are there an NDB only approaches left in the UK? In other words where the approach does not have a co-located DME and therefore timing must be used for a missed approach point rather than a range. I'm just curious as I used to practice them during my IMC and subsequent IR training using the CT NDB at Coventry, but that was over a decade ago. Thanks, Rich |
Excuse me for not having a real answer. Only in the margin:
On the general trend, NDB's are a thing of the past. In Europe at least, and probably elsewhere too, they are being phased out quite rapidly. The UK is of course a somewhat peculiar place - by which I mean nothing negative! - but sooner or later the NDB's will be going there, too. Fazit: even if some remain today, don't count on them being there tomorrow. The future is all for SatNav (called "GPS" by some) which is cheaper both for operators and for users, and more accurate. |
Originally Posted by Obs cop
(Post 10927272)
Hi all,
Hoping someone can help with a query. Are there an NDB only approaches left in the UK? In other words where the approach does not have a co-located DME and therefore timing must be used for a missed approach point rather than a range. I'm just curious as I used to practice them during my IMC and subsequent IR training using the CT NDB at Coventry, but that was over a decade ago. Thanks, Rich St Mary’s on the Isles of Scilly EGHE has one for RW 32 & 27 |
As mentioned earlier,
EGHE St Marys on the Isle of Scilly Also; EGNC Carlisle EGJA Alderney Links to the AIP and aerodrome approach plates https://www.aurora.nats.co.uk/htmlAI...dex-en-GB.html |
Bloody death traps. Shame on any airport that even has a published approach chart.
Before all the heroes come along, yes I can fly one. But they are dangerous by design. We can do far better in this day and age. |
Quite agree. the NDB should have gone the way of the dodo decades ago.
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NDB? Luxury. The RAF was still carrying out QGH letdowns into grass airfields in the 1990s. We had to, we had fly above and in cloud to instruct in SEP aircraft with no radio nav aids at all and no radar service. Looking back, madness. We used to ask for true bearings from two airfields to keep ourselves out of an airway adjacent to our local flying area.
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Most published procedures include an alternative timed procedure without DME.
Bloody death traps. Shame on any airport that even has a published approach chart. Before all the heroes come along, yes I can fly one. But they are dangerous by design. We can do far better in this day and age. |
Originally Posted by Rt Hon Jim Hacker MP
(Post 10927343)
Bloody death traps. Shame on any airport that even has a published approach chart.
Before all the heroes come along, yes I can fly one. But they are dangerous by design. We can do far better in this day and age. That being said, design and certification would have taken that into account. So as some poster said above, any NDB approach flown as published shouldn’t be unsafe. |
If they were designed i.a.w. the required standards and flown that way then they were no less safe than any other approach designed to the same standard(s).
But to address the original question, Scatsta in Shetland only had an NDB approach and an SRA approach. That airport recent lost all its customers so it may not have them published anymore. But when I was based in Shetland the NDB approach was just a normal thing. |
Originally Posted by Fl1ingfrog
(Post 10927406)
Most published procedures include an alternative timed procedure without DME.
What a strange thing to say. Follow the procedure in accordance with the design and above all comply with the published minima. If they weren't safe they wouldn't be there. Do you think that those NPA’s that ended up in an accident we’re just being flown by people that didn’t know what they were doing? They woke up in the morning and set off flying to have an accident or incident. The simple fact is that a timed NDB is dangerous. Try flying one near a thunderstorm. Needle swinging around 10 to 20 degrees all the time. They also encourage the “dive and drive” type of approach. They are not fit for purpose in this day and age. The world has moved on. |
Originally Posted by Jan Olieslagers
(Post 10927289)
Excuse me for not having a real answer. Only in the margin:
On the general trend, NDB's are a thing of the past. In Europe at least, and probably elsewhere too, they are being phased out quite rapidly. The UK is of course a somewhat peculiar place - by which I mean nothing negative! - but sooner or later the NDB's will be going there, too. Fazit: even if some remain today, don't count on them being there tomorrow. The future is all for SatNav (called "GPS" by some) which is cheaper both for operators and for users, and more accurate. |
Scatsta in Shetland only had an NDB approach and an SRA approach. That airport recent lost all its customers so it may not have them published anymore. |
Originally Posted by Fl1ingfrog
(Post 10927406)
..... Follow the procedure in accordance with the design and above all comply with the published minima. If they weren't safe they wouldn't be there.
|
Sometimes I'm asking myself if it's not better to make the NDB approach to the opposing runway by default, and then do a circle to land. Once you reach minima it seems like with a circle to land there's a lot less manoeuvering required than with a supposedly straight-in NDB. And you've got more time for that as well. And it's not going to make a practical difference to the minima anyway.
With NDBs routinely positioned on the airfield itself, your MAPt is also above the airfield itself so if you become visual just before MAPt there's no way you'll be able to land from there so you'll need to fly a full circuit... |
I read somewhere recently that the UK CAA require licensed airfields to have a notified means of location even for VFR airfields; so if you become visual just before MAPt there's no way you'll be able to land from there so you'll need to fly a full circuit... With NDBs routinely positioned on the airfield itself,...... |
Originally Posted by Obs cop
(Post 10927272)
Hi all,
Hoping someone can help with a query. Are there an NDB only approaches left in the UK? In other words where the approach does not have a co-located DME and therefore timing must be used for a missed approach point rather than a range. I'm just curious as I used to practice them during my IMC and subsequent IR training using the CT NDB at Coventry, but that was over a decade ago. Thanks, Rich Although I believe it's not a published procedure, Leicester used to have one, not sure if it's still there. Might be worth giving them a ring. |
Great for training spatial awareness!
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I remember spending time, and much more importantly a lot of money learning how to do these on my IR course 20 years ago. NDB holds too, gate angles, all that stuff. Nonsense really in a light aircraft because if the crosswind is too strong flying the racetrack is impossible due to the low speed of the aircraft. Having said all that I can't remember ever doing one in "real life" afterwards, holds at RNAV waypoints by FMS, and approach, everywhere we went sans an ILS had at least VOR/DME or localiser or LNAV and later LPV of course. Some places though you just have to look out of the window(!) eg Samedan. A relic from the 50's and the world has moved on.
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Originally Posted by chevvron
(Post 10927549)
I read somewhere recently that the UK CAA require licensed airfields to have a notified means of location even for VFR airfields; the most basic of these means is to have an NDB on the airfield with or without DME or alternatively VDF, however some airfields have decided to de-commision their NDBs where they have a VOR/DME located not too far away, having discussed it with operators and found that very few actually use the NDB for its original purpose plus you have to pay for a license and regular maintenance or repairs (many are getting quite old) and VDF cannot be used effectively at FISO airfields as the AFISO cannot pass QDMs, only QDRs.
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