Just the data feed would be removed. Primary radar can still detect the aircraft as a blip on the screen, though it will not have good accuracy, particularly at lower altitudes or in areas with limited radar coverage.
This occurred on 9/11. Controllers in the affected airspace could still track the fast-moving primary targets on their scopes, but with the hijackers turning off the transponders, it made it harder to track those aircraft. -Doug Church On Thu, Jul 24, 2025 at 2:00β―PM Jack Keady via Mifnet < mifnet@lists.mifnet.com> wrote: > keady - question - if the transponder is turned off, does the aircraft not > appear on ground radar screens or is just the data feed removed and it > still can be seen? > > On Thursday, July 24, 2025 at 10:01:48 AM PDT, Addison Schonland via > Mifnet <mifnet@lists.mifnet.com> wrote: > > > Hi β story here: https://airinsight.com/iran-mahan-air-boeing-777/ > > > > What say yβall to this move by Iran? Where do they get spares? > > > > Regards, > > Addison Schonland > > www.airinsight.aero > > (858) 536-9900 > > (858) 682-4931 β WhatsApp > > > -------------------------------------------------------------------------- > Revised: 20250507 > > You are receiving The Mifnet because you requested to join this list. > > The Mifnet is largely a labor of love, however the infrastructure isn't > exactly cost-free. If you'd care to make a small contribution to the > effort, please know that it would be greatly appreciated: > https://wardell.us/url/mifbit > > All posts sent to the list should abide by these policies: > > 1) List members acknowledge that participation in Mifnet is a > privilege--not a right. > 2) Posts are always off the record, absent specific permission from the > author. > 3) The tone of discussions is collegial. > 4) Posts are expected to be in reasonably good taste. > 5) We discuss ideas and not personalities, and we don't speak ill of other > Mifnet members. > > * The Mifnet WEB SITE is: > https://www.mifnet.com/ > > * To UNSUBSCRIBE from this list at any time please visit: > https://lists.mifnet.com/ > OR: SEND THIS MESSAGE via email: > mifnet-requ...@lists.mifnet.com?subject=leave > > * Send Mifnet mailing list POSTS/SUBMISSIONS to: > mifnet@lists.mifnet.com > > * You may reach the person managing The Mifnet at: > mifnet-ow...@lists.mifnet.com > > * Please consider the DIGEST version of The Mifnet, which consolidates all > list traffic into 1-3 > messages daily. See instructions at: > https://lists.mifnet.com/ > > * Manage your personal Mifnet SUBSCRIPTION at: > https://lists.mifnet.com/ > > * For a list of all available Mifnet commands, SEND THIS MESSAGE via email: > mifnet-requ...@lists.mifnet.com?subject=help > > * View The Mifnet LIST POLICIES and PRIVACY POLICY at: > https://mifnet.com/index.php/policies > > * View instructions for Mifnet DELIVERY PROBLEMS at: > https://mifnet.com/index.php/delivery-problems > > * View The Mifnet LIST ARCHIVE at: > https://lists.mifnet.com/hyperkitty/list/mifnet@lists.mifnet.com/ > -------------------------------------------------------------------------- > Revised: 20250507 > > You are receiving The Mifnet because you requested to join this list. > > The Mifnet is largely a labor of love, however the infrastructure isn't > exactly cost-free. If you'd care to make a small contribution to the > effort, please know that it would be greatly appreciated: > https://wardell.us/url/mifbit > > All posts sent to the list should abide by these policies: > > 1) List members acknowledge that participation in Mifnet is a > privilege--not a right. > 2) Posts are always off the record, absent specific permission from the > author. > 3) The tone of discussions is collegial. > 4) Posts are expected to be in reasonably good taste. > 5) We discuss ideas and not personalities, and we don't speak ill of other > Mifnet members. > > * The Mifnet WEB SITE is: > https://www.mifnet.com/ > > * To UNSUBSCRIBE from this list at any time please visit: > https://lists.mifnet.com/ > OR: SEND THIS MESSAGE via email: > mifnet-requ...@lists.mifnet.com?subject=leave > > * Send Mifnet mailing list POSTS/SUBMISSIONS to: > mifnet@lists.mifnet.com > > * You may reach the person managing The Mifnet at: > mifnet-ow...@lists.mifnet.com > > * Please consider the DIGEST version of The Mifnet, which consolidates all > list traffic into 1-3 > messages daily. See instructions at: > https://lists.mifnet.com/ > > * Manage your personal Mifnet SUBSCRIPTION at: > https://lists.mifnet.com/ > > * For a list of all available Mifnet commands, SEND THIS MESSAGE via email: > mifnet-requ...@lists.mifnet.com?subject=help > > * View The Mifnet LIST POLICIES and PRIVACY POLICY at: > https://mifnet.com/index.php/policies > > * View instructions for Mifnet DELIVERY PROBLEMS at: > https://mifnet.com/index.php/delivery-problems > > * View The Mifnet LIST ARCHIVE at: > https://lists.mifnet.com/hyperkitty/list/mifnet@lists.mifnet.com/ >
-------------------------------------------------------------------------- Revised: 20250507 You are receiving The Mifnet because you requested to join this list. The Mifnet is largely a labor of love, however the infrastructure isn't exactly cost-free. If you'd care to make a small contribution to the effort, please know that it would be greatly appreciated: https://wardell.us/url/mifbit All posts sent to the list should abide by these policies: 1) List members acknowledge that participation in Mifnet is a privilege--not a right. 2) Posts are always off the record, absent specific permission from the author. 3) The tone of discussions is collegial. 4) Posts are expected to be in reasonably good taste. 5) We discuss ideas and not personalities, and we don't speak ill of other Mifnet members. * The Mifnet WEB SITE is: https://www.mifnet.com/ * To UNSUBSCRIBE from this list at any time please visit: https://lists.mifnet.com/ OR: SEND THIS MESSAGE via email: mifnet-requ...@lists.mifnet.com?subject=leave * Send Mifnet mailing list POSTS/SUBMISSIONS to: mifnet@lists.mifnet.com * You may reach the person managing The Mifnet at: mifnet-ow...@lists.mifnet.com * Please consider the DIGEST version of The Mifnet, which consolidates all list traffic into 1-3 messages daily. See instructions at: https://lists.mifnet.com/ * Manage your personal Mifnet SUBSCRIPTION at: https://lists.mifnet.com/ * For a list of all available Mifnet commands, SEND THIS MESSAGE via email: mifnet-requ...@lists.mifnet.com?subject=help * View The Mifnet LIST POLICIES and PRIVACY POLICY at: https://mifnet.com/index.php/policies * View instructions for Mifnet DELIVERY PROBLEMS at: https://mifnet.com/index.php/delivery-problems * View The Mifnet LIST ARCHIVE at: https://lists.mifnet.com/hyperkitty/list/mifnet@lists.mifnet.com/
