70 votes
Accepted

Is the RFID chip in e-passports read-only or is it read-write?

TL;DR: It's complicated, but for practical purposes, currently e-passports are read-only. Long version: The specification for e-passports contains two types of data. Dedicated Files (DF) are ...
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57 votes
Accepted

What happens on the immigration gate if a passenger lost their fingerprints?

Biometrics are now more than just fingerprints. Retina/iris scans, face recognition software etc are all being deployed where necessary in lieu of fingerprints. There are many people who don't have ...
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41 votes
Accepted

How can I know if I am still refused entry to the UK?

You are a British Overseas Citizen (BOC) travelling on a BOC passport and you had difficulty clearing UK immigration controls. Ultimately you were issued leave to enter for 6 weeks. Based upon what ...
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  • 83.5k
33 votes

Height on passport

No, height is not guaranteed to be present. British passports (I'm sure there are other countries too, but one counterexample seems to be enough for your purposes) do not contain the holder's height. ...
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  • 10k
25 votes

USA fingerprint on arrival

We can't know that. The US and UK share plenty of information, and the full extent is still classified. If the US ever got that data, they may or may not have kept it. This may not help you, but ...
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  • 32.1k
14 votes

What happens if the electronic chip on your passport is broken at a port of entry to the US under the Visa Waiver Program?

My passport which is an EU one and has got the chip, but it has never worked yet. When landing in UK I still always choose the ePassport gate regardless. It takes about 2 minutes for the gate to ...
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14 votes
Accepted

Is it possible to use the 1 day premium passport service for someone visiting the UK for a day?

Yes she can, provided she applies for it once she is in the UK. She can go one step ahead and Use the Online Premium (1 day) service. That is a new trial service and basic conditions are: You’ll ...
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  • 32.5k
13 votes

Height on passport

I have two passports, Australian and USA - neither has my height. My USA driving license did have my height, but my Australian doesn't - come to think of it, I don't think there's any government ...
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  • 231
12 votes

Multiple passports and the 90 / 180 rule

It may depend on the country you're visiting, but in general the answer is no. Immigration rules typically apply to each traveler as a person, not to the document. Using different documents may make ...
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  • 116k
12 votes

Would applying henna on my fingers change my fingerprints?

I made a quick search and found this answer in Quora website and I believe it could answer your question: You get fingerprints because of ridges in your fingers. Henna is just a paint/dye and ...
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  • 2,285
12 votes
Accepted

Travelling outside the UK without a passport

As Ukraine is not in the EU https://www.gov.uk/eu-eea according to Timatic you need a passport to enter https://www.timaticweb2.com/integration/external?ref=d975cfc59f5c0abd06d16e872198110b&clear=...
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  • 23.6k
10 votes
Accepted

What happens if RFID system in my "biometric" travel passport malfunctions when I cross the border?

I've had a malfunctioning barcode passport (those pre-biometric hologrammed ones) for 10 years. Basically ever since I first got the passport I was unable to successfully scan it anywhere I went. ...
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  • 51.7k
9 votes

What happens on the immigration gate if a passenger lost their fingerprints?

No, fingerprint are "optional". Sometime it is not possible to take them, or some people have not very distinctive fingerprints (as measured on common devices). So there is alternate ways to check ...
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9 votes
Accepted

I have an Italian passport, but I'm also British by birth. Should I get a UK passport?

Is it a good idea to apply for a British passport? This depends on whether you want to travel to the UK (especially for long periods of time) after it leaves the freedom of movement regime, or to ...
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  • 116k
8 votes
Accepted

Travelling on cancelled but not expired passport

From the New Zealand government passport application form: WARNING Once your passport application has been received, your old passport will be cancelled immediately and cannot be used for ...
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  • 84.7k
8 votes

What happens if the electronic chip on your passport is broken at a port of entry to the US under the Visa Waiver Program?

The USA only started to install software to read chip data in the APC kiosks at select airports a few months ago, and first equipped CBP officers' desks with similar software even fewer months ago at ...
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  • 2,967
8 votes
Accepted

Is there any country in the world where you can enter by scanning your fingerprints/iris, without showing any forms of ID?

As luck may have it, I've found such a system after posting my question. Iris Recognition Immigration System (IRIS) was an initiative, launched in 2004 to provide automated clearance through UK ...
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  • 79.6k
8 votes
Accepted

Is it safe to show a biometric passport to a third party?

The RFID chip in a biometric passport can be convinced to communicate all the data stored therein if the right keys are provided to it. Note it’s not a matter of downloading encrypted data from the ...
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7 votes

Is there any country in the world where you can enter by scanning your fingerprints/iris, without showing any forms of ID?

If you have a Nexus card, this is how you enter the US from Canada, or Canada from anywhere. You go to a machine, push a few buttons, look into the lens so your iris can be recognized, and are given a ...
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  • 72.9k
6 votes

2 passports from the same country: how do Schengen countries know?

The passport number is not the only data point that countries can use to match an individual. Among other points that can be used are name, gender, date of birth, place of birth, all of which appear ...
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6 votes

What immigration lane do I use as a group?

Probably the official answer is that each adult should use the lane appropriate to her circumstances. That said, in practicality, in the US and elsewhere, a small group of two or three may stay ...
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  • 36.6k
6 votes

Bio-metric passport

Yes, they have access to your travel history, or at least you should assume that they do. Biometric passports do not store travel history in any form other than stamps on the page. In other words, ...
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  • 116k
6 votes
Accepted

Does a new passport number mean new records?

When you get a new passport with a new number, how do immigration authorities track your previous trips to some particular country? Other information in the passport, possibly including fingerprints ...
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  • 116k
6 votes

My passport name changed for the same country without visa

Immigration rules are about you as a person. Changing your name does not make you a different person. Different countries might be good or bad at identifying people who change their names and travel ...
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6 votes

Brothers using e-gates - one is successful, the other is not

These are just my guesses as a system developer working with fraud detection. Since the e-Gates are using the image (stored in the chip) in your passport, two people having faces looking almost the ...
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5 votes

Travelling on cancelled but not expired passport

Some countries do issue multiple passports to their citizens, if and when the citizen has a good enough reason (in their opinion). But using an invalid passport, stamped or not, is a very bad idea. ...
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  • 32.1k
5 votes
Accepted

Ukrainian passport renewal

All state services related to passports (and much more) can be done on the Web site of the State Migration Service Of Ukraine, https://dmsu.gov.ua/ Basically, requests to issue/renew both the ID and ...
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5 votes

Is the RFID chip in e-passports read-only or is it read-write?

Passports conforming to the ICAO doc 9303 specification use a smart card conforming to ISO 7816, which is very broadly speaking not just a storage device, but rather a miniature computer. It is ...
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  • 190
5 votes

Height on passport

I would venture that this is a disappearing information. I remember that it was common on some European passports (in the 80's, 90's), now it is going away (gone for some). I believe this is the same ...
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  • 2,697

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