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  2. Smart card application protocol data unit - Wikipedia

    en.wikipedia.org/wiki/Smart_card_application...

    A command APDU is sent by the reader to the card – it contains a mandatory 4-byte header (CLA, INS, P1, P2) [2] and from 0 to 65 535 bytes of data. A response APDU is sent by the card to the reader – it contains from 0 to 65 536 bytes of data, and 2 mandatory status bytes (SW1, SW2).

  3. List of aircraft registration prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft...

    Registration prefix Adopted Retired Replaced with Presentation and notes Aden: VR-A [28] 1939 1939 British colonial allocation Algeria: F-O [28] [a] 1929 1962 7T French colonial allocation Angola: CR-L [28] [29] 1929 1975 D2 Portuguese colonial allocation Argentina: R [28] [b] 1929 1932 LV Austria: A [28] 1929 1939 OE Bahamas: VP-B [28] 1929 ...

  4. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Lights and siren authorised and an exemption from all road traffic laws. An example of a P1 call would be an active armed offender, pursuit or an officer requiring immediate assistance. This is the least common priority used, as most urgent calls fall under the Priority 2 category. The KPI for attendance of P1's is 12 minutes.

  5. Biosafety level - Wikipedia

    en.wikipedia.org/wiki/Biosafety_level

    Facilities with these designations are also sometimes given as P1 through P4 (for pathogen or protection level), as in the term P3 laboratory. [ 5 ] At the lowest level of biosafety, precautions may consist of regular hand-washing and minimal protective equipment.

  6. Aircraft registration - Wikipedia

    en.wikipedia.org/wiki/Aircraft_registration

    The aircraft registration is made up of a prefix selected from the country's callsign prefix allocated by the International Telecommunication Union (ITU) (making the registration a quick way of determining the country of origin) and the registration suffix. Depending on the country of registration, this suffix is a numeric or alphanumeric code ...

  7. International Registration Plan - Wikipedia

    en.wikipedia.org/wiki/International_Registration...

    The International Registration Plan (IRP) is a truck registration reciprocity agreement between the contiguous United States and Canadian provinces that provides apportioned payments of registration fees, based on the total distance operated in participating jurisdictions, to them. IRP's fundamental principle is to promote and encourage use of ...

  8. Status register - Wikipedia

    en.wikipedia.org/wiki/Status_register

    A status register, flag register, or condition code register (CCR) is a collection of status flag bits for a processor.Examples of such registers include FLAGS register in the x86 architecture, flags in the program status word (PSW) register in the IBM System/360 architecture through z/Architecture, and the application program status register (APSR) in the ARM Cortex-A architecture.

  9. Lockheed P-3 Orion - Wikipedia

    en.wikipedia.org/wiki/Lockheed_P-3_Orion

    The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced in the 1960s. Lockheed based it on the L-188 Electra commercial airliner; it is easily distinguished from the Electra by its distinctive tail stinger or "MAD" boom, used for the magnetic anomaly detection (MAD) of submarines.