{"conversationCode":"483-020","tapeNumber":483,"conversationNumber":20,"identifier":"37-wht-conversation-483-020","startDateTime":"1971-04-20T22:14:00.000Z","endDateTime":"1971-04-20T22:17:00.000Z","startDate":"20-Apr-1971","startTime":"5:14 PM","endDate":"20-Apr-1971","endTime":"5:17 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Butterfield, Alexander P.; [Unknown person(s)];","description":"On April 20, 1971, Alexander P. Butterfield and unknown person(s) met in the Oval Office of the White House at an unknown time between 5:14 pm and 5:17 pm. The Oval Office taping system captured this recording, which is known as Conversation 483-020 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 483-20\n\nDate: April 20, 1971\nTime: Unknown between 5:14 pm and 5:17 pm\nLocation: Oval Office\n\nAlexander P. Butterfield met with unknown persons (Secret Service agent).\n\n**********************************************************************\n\n[Previous non-historical (H) withdrawal reviewed under deed of gift 02/07/2020. Segment\ncleared for release.]\n[Non-Historical]\n[483-020-w001]\n[Duration: 2m]\n\n     The President's location\n\n     Unknown man\n\n     Unknown man's schedule\n\n     The President's location\n\n**********************************************************************\n\n     The President's location\n          -Duration of absence\n          -Cabinet Room\n\n     Unknown man's schedule\n\n     The President's location\n\nThe unknown persons left at an unknown time before 5:17 pm.","filename":["483-020.mp3"],"tapeStart":"04:42:28","tapeEnd":"04:44:28","participantsList":["Butterfield, Alexander P.","[Unknown person(s)]"],"prevCode":"483-019","nextCode":"483-021","transcript":[{"start":66.43,"end":91.92,"text":"We'll keep you going here in a second."},{"start":91.94,"end":92.45,"text":"You probably can take it."},{"start":92.47,"end":92.81,"text":"Hold on a second."},{"start":92.83,"end":93.17,"text":"Hold on a second."},{"start":93.19,"end":93.53,"text":"Hold on a second."},{"start":93.55,"end":93.89,"text":"Hold on a second."},{"start":93.91,"end":94.25,"text":"Hold on a second."},{"start":94.27,"end":94.61,"text":"Hold on a second."},{"start":94.63,"end":94.97,"text":"Hold on a second."},{"start":94.99,"end":95.33,"text":"Hold on a second."},{"start":95.35,"end":95.85,"text":"Hold on a second."},{"start":103.78,"end":113.11,"text":"Here you go."}],"aiSummary":{"text":"Alexander P. Butterfield met with a Secret Service agent in the Oval Office to coordinate logistics regarding the President’s location and daily schedule. The discussion centered on the President's movements and the duration of his absence from the Cabinet Room. The brief exchange functioned primarily as a routine administrative coordination between White House staff and security personnel.","topics":["Presidential security","Alexander P. Butterfield","Oval Office logistics","Secret Service","Presidential schedule"],"generatedAt":"2026-04-06T21:49:26.787Z"},"topicSlugs":["presidential-security","alexander-p-butterfield","oval-office-logistics","secret-service","presidential-schedule"],"audioDurationSec":117,"audioFiles":[{"file":"483-020.mp3","bytes":2801161,"durationSec":116.65,"bitrate":192112,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:48.989Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/483-020.mp3"],"url":"https://www.easynixon.org/tapes/483-020","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/483/conversation-483-020","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}