Gulfstream Medeco Lock Determination

Part Number: LockDetermination
Gulfstream Medeco Lock Determination

Gulfstream Medeco Lock Determination

Part Number: LockDetermination
Regular price $0.00

If you don't know it, and ordering locks--enter "NEW". If ordering replacement keys, please locate your keycode first.

AC Registration Number

i.e CI.300-001

Year AC was manufactured

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There are several versions of Lock Sets for Gulfstream. Please review the information below before ordering for a G4 / G5 or G450 / G550. If you have any additional questions, please contact us at (214) 956-9563 or

1. Do the locks need to be keyed to match an existing key code or a new random key code? If it is to a new key code then go to item 3.

2. If it is to an existing key code AND the key code is an older, longer key, please contact us at (214) 956-9563.

3. If the a/c is the later style, where the skin of the a/c panels has a .10 recess from the outside, AND it is to a new random code OR a newer style short key code,  then you can order the ASG450M-15S for the G4/5 or G450, or the ASG550M-15S for the G550.




A keycode is an alpha numeric code that is assigned to the locks on your aircraft. All Aircraft Security Medeco Keycodes will start with 8M, 7M, 8R or look like 123XH, or XA123. If you do not know it, please create a ticket and reach out to us, please include a copy of your aircraft registration or airworthiness certificate.

Most keycodes will loook like:

Want to enhance your key's uniqueness or security? We now offer the option to customize your key with your Logo, Tail Number, Serial Number, or Employee ID. Virtually anything you can imagine can be printed!

After placing your order, simply reply to the confirmation email with your specific requirements, and we'll provide you with a quote.

Kindly be aware that customization comes with an additional fee and may extend the delivery time.