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Sifeba Nav-Aid Rule for Wac 1:1,000,000 Charts

  • £11.95 (inc. VAT)
19 In Stock Now     
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Orders placed after 3pm are dispatched the next working day (excludes weekends).

The NAV-AID RULE for Wac charts solves the most troublesome aspects of visual navigation, off-course heading corrections and unexpected diversions. This Patented product gives the heading change from present position direct to the destination, or a selected diversion. The NAV-AID has for convenience one defined distance scale of World Aeronautical 1:1,000,000 Charts. No multiple scales to cause confusion.

Todays technology has given us the G.P.S. but V.F.R. still requires visual navigation as the primary method. The NAV-AID RULE and your aeronautical chart is all you should require with the comfort that track corrections or diversions are easily taken care of.THE NAV-AID RULE has been constructed from a special synthetic material of such thickness and flexibility to allow it to be bent without permanent distortion or breakage.


  • Place the centrepoint of the base-line over the present position.
  • Align the base-line with the departure point or last fix.
  • Using the radials read off the number of degrees to alter present heading to fly direct to destination.No need for 1:60 rules or computers!
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Free UK delivery is available for orders to the UK Mainland only and applies only to orders over £150

Flightstore will despatch your order the same working day, Monday To Friday excluding UK bank holidays  if we receive your order before 3pm.

If we cannot despatch your order within this time period we will contact you to inform you of the new despatch date, if this doesn't suit you, you may cancel your order. Preorders will be dispatched in full once the items are in stock and ready to ship.

In the event that we can only supply part of your order we may split your order.


Flightstore use a variety of delivery services which you can select from at the checkout stage. From 1st Class mail to guaranteed and weekend deliveries through to international standard and express we can get your order to you in a fast and efficient way. You can view our complete range of services and charges here.

In summary:
Royal Mail is an now a tracked service. We may at our discretion upgrade your delivery to a courier at our cost.
Special Delivery / Parcelforce / DPD : These are guaranteed services with included tracking numbers.

INTERNATIONAL TRACKED :  This is a normal postal service. It is tracked but is not guaranteed to arrive on a set time scale. It is the most cost effective service but is a lot slower than couriers. For fast delivery we reccommend our other services that are offered at checkout.

DPD EUROPE/PARCELFORCE EUROPE: These are courier tracked services but can still take more than a week.

FED-EX:  This is a guaranteed service with included tracking number. It is also much quicker than airmail.

Loss or damage:

If goods are found to be faulty on deliver after inspection they may be returned for a replacement. If no replacement is available then monies will be refunded in full. Please make sure you inform us within 7 days of receipt of any faults when you inspect the goods

Non Delivery

Claims for missing items or the non delivery of orders must be made within 28 days of the despatch date. All trackable orders will have a P.O.D. signature showing the delivery date and who signed for it.