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816 British Light Aviation Centre Mb-4a Air Navigation Computer

This vintage British Light Aviation Centre Mb-4a air navigation computer is a fascinating piece of aviation history. Designed to aid pilots in flight planning and calculations, this circular slide rule features detailed markings for wind correction, ground speed, and ETA. A unique collectible for aviation enthusiasts and history buffs alike.

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Bidder Name Bidding Time Bid Auto
Motors Blowing 2025-05-18 18:58:13 £7.00
Genesis Moss 2025-05-18 17:52:25 £6.00

Auction Ended

Winning Bid: £7.00

Winner: Motors Blowing

Timezone: Europe/London

Reserve Met

Vintage British Light Aviation Centre Mb-4a Air Navigation Computer

This is a vintage air navigation computer, specifically the British Light Aviation Centre Mb-4a model. This circular slide rule was designed to assist pilots in calculating course corrections for wind drift, ground speed, and estimated time of arrival. The device features a rotating scale with various calculations and markings, essential for pre-flight planning and in-flight adjustments during the mid-20th century.

Condition and Collectibility

This Mb-4a computer shows signs of age and use, consistent with a vintage item. The plastic casing exhibits wear and some surface scratches, and the markings are still largely legible. This piece would be of interest to aviation enthusiasts, collectors of vintage navigational tools, or those interested in the history of flight and pilotage.

To place a bid simply click the directly bid button to bid the next amount. If you wish to leave a commission/high bid, enter your amount in the grey box and click the custom bid button, our system will bid on your behalf. You will be notified by email if you win. We operate a soft close format, the auction will be extended by 3 minutes if a bid is placed in the closing 3 minutes. Items are sold on a “sold as seen” basis, electrical items etc are untested unless stated otherwise in the title of the items in question. We have a viewing day on Saturday 10am-3pm if you are unsure about an item from photos. Please be aware that once a bid is placed we will not be able to issue any refunds unless there is a clear and obvious error made by ourselves in the item title, in the event of an incorrect bid being placed, you must contact us on the mobile phone number 07904 339160/description.

Please be aware that as we are now VAT registered the buyers commission is now 17.5% plus VAT.

#### As of 1/10/2021 we will be implementing a 7 day collection rule – items must be collected within 7 days unless an agreement is arranged in the event of instances such as being away on holiday, medical reasons etc. Any lots that are not collected within 7 days will be liable to a storage charge of £1.20 per day. Thank you. ####