747SP Production list

Chronological order of events for airframe 21441
Dates in Black are considered exact and dates in Red are approximate.
1977-04-25N536PAPan AmFirst Flight
1977-05-06N536PAPan AmDelivered
1977-05-20N536PAPan AmClipper LindberghOtherChristened "Clipper Lindbergh" by Anne Morrow Lindbergh on the 50th year anniversary of Charles A Lindbergh''s solo flight across the Atlantic.
1977-08-14N536PAPan AmClipper LindberghSeenJFKOperating Clipper 101 from LHR
1977-11-25N536PAPan AmClipper LindberghSeenHKGPhoto
1980-05-25N536PAPan AmClipper LindberghSeenJFKPhoto
1981-04-01N536PAPan AmOld small titlesClipper LindberghSeen
1985-01-11N536PAPan AmIncidentFAICrew diverted to Fairbanks due to aft cargo compartment fire warning light. No fire occurred, false indication.
Read Report
1985-04-28N536PAPan AmClipper LindberghSeenLHRPhoto
1986-02-13N536PAUnitedPan Am cheatlineSeenMEL
1986-11-01N145UAUnitedReg Changed
1989-01-15N145UAUnitedOld, small titlesSeen
1989-01-20N145UAUnitedOld, small titlesSeenLAXPhoto
1989-04-10N145UAUnitedOld, small titlesSeenLAXPhoto
1990-07-01N145UAUnitedOld, small titlesSeenSFO
1990-08-01N145UAUnitedOld, large titlesSeen
1993-04-21N145UAUnitedOld, large titlesSeenLAXPhoto
1993-07-01N145UAUnitedNew coloursSeenThe only United 747SP to be painted in this livery.
1994-09-08N145UAUnitedNew coloursSeenLHRPhoto
1994-10-19N145UAUnitedSeenSFOFlew UA 59 IAD-SFO after having flown SFO-ORD-IAD earlier in the day, substituting for an out-of-service 747-100. It was supposed to be retired after this flight but flew the same routing one last time the next day (10/20/1994)
1995-11-12N145UANo TitlesNo titles, no logosSeenLASWFU, stored
1995-12-01N145UANo TitlesNo titles, no logosSeenLASWFU, stored
1997-02-17N145UANo TitlesNew United blue/grey livery, no titles/logosFerriedSFOLAS-SFO
1997-02-20N145UANo TitlesNew United blue/grey livery, no titles/logosOtherSFOMaintenance
1997-02-20N145UANASASOFIAOtherSFONew titles... Stratospheric Observatory for Infrared Astronomy
1997-04-30N145UAUniversities Space Research Association (USRA)Bought
1997-10-27N145UANASABoughtFormally sold to NASA.
1997-11-19N145UANASAStatusNew airworthiness certificate is issued by the FAA. Aircraft is classified as EXPERIMENTAL.
1999-05-01N145UANASAOtherACTPlane enters hangar in Waco for paint strip and maintenance.
2003-06-01N145UANASAOtherACTTelescope fitted into aircraft.
2004-04-25N145UANASAOtherACTAircraft passes "Cabin Proof Pressure Test" in which cabin is pressurized to 12.5 PSI.
2004-12-02N145UANASAOtherACTEngine installation completed in preparation for first flight.
2004-12-17N747NANASAOtherNew N number reserved, pending return to service.
2005-02-10N747NAOtherAircraft jacked off of floor in hangar, and landing gear retracted as part of hydraulic test.
2005-04-01N747NASOFIARoll OutACTRolled out of hangar with new tail logo applied.
2006-08-19N747NASOFIAOtherACTFull power engine runs.
2006-09-25N747NASOFIASOFIA/NASA LiveryRoll OutACTRolled out with new paint in small ceremony
2007-04-26N747NASOFIAFlightACTSOFIA First Flight after heavy modifications and almost 10 years on ground
News story
see video
2007-05-21N747NASOFIAClipper LindberghOtherEDWAircraft named in a ceremony by Eric Lindbergh.
2007-05-31N747NASOFIAClipper LindberghFerriedEDWFerried ACT-EDW
It will undergo installation of systems and flight testing for the next three years.
2007-10-11N747NASOFIAFlightEDWPerforming flight Performance test flights
2007-11-16N747NASOFIAFlightPerformed 5 successful test flights
2007-12-19N747NASOFIAFlightFunctional checkout of in-flight actuation and functional checkout of the telescope assembly
2008-01-14N747NASOFIASeenNUQLanded at 12:22 escorted by an F18. Both planes flew in from EDW.
2008-01-15N747NASOFIASeenPMDArrival at its new base of operations
2008-03-10N747NASOFIASeenPMDCollected baseline operational measurements during several nights of characterization testing. The primary celestial target was Polaris, the North Star.
2008-04-18N747NASOFIASeenPMDPrimary mirror removed in preparation for the final finish coating of the mirror.
2008-10-08N747NASOFIASeenPMDPrimary mirror returned into aircraft.
2008-11-12N747NASOFIASeenPMDNighttime line operations testing.
2009-04-09N747NASOFIAClipper LindberghSeenPMDDisplay at the dedication ceremony of the Dryden Aircraft Operation Facility, which is the hangar that is its new home at the Palmdale Airport.
2009-12-17N747NASOFIASeenPMDSeen landing, accompanied by chase plane.
2009-12-18N747NASOFIAClipper LindberghFlightFirst 100% open door flight.
2009-12-18N747NASOFIASeenPMDLanded at KPMD, accompanied by chase plane.
2010-03-16N747NASOFIASeenPMDLanded at Palmdale airport, accompanied by chase plane
2010-03-29N747NASOFIAOtherExploring the Hidden Universe.
2010-05-25N747NASOFIAClipper LindberghSeenFirst Light Flight
2010-07-08N747NASOFIASeenEDWWorking NASA Flight Control room for latest envelope expansion flight #35.
2011-06-23N747NASOFIAFlightFlew more than 1,800 miles out over the Pacific Ocean to position itself in the exact location where Pluto's shadow fell on Earth
2011-09-16N747NASOFIAClipper LindberghSeenCGNFirst transatlantic deployment of SOFIA. The plane was on display and available for tours on German Aerospace Day in Cologne as well as at Stuttgart Airport (EDDS) the following days.
2011-09-19N747NASOFIAClipper LindberghFlightSTRFlew CGN-STR
2011-09-20N747NASOFIAClipper LindberghSeenSTR
2011-09-21N747NASOFIAClipper LindberghSeenSTRFlew STR-ADW. Returning after Germany visit.
2011-09-21N747NASOFIASeenADWShowcased for the public
2011-09-23N747NASOFIAFlightPMDDeparted ADW at 15:15. The flight to Palmdale concludes SOFIA's first international deployment.
2011-11-09N747NASOFIAFlightPMDAll night expedition at 35 000 Feet to observe the red supergiant star Betelgeuse.
2012-05-14N747NASOFIAOtherFeatured in video Destination Innovation
2013-07-19N747NASOFIAClipper LindberghSeenCHCSOFIA in New Zealand for 2 weeks. Stopped in Auckland on the 17th for a tech stop. Departs the 1st August.
2014-06-28N747NASOFIAClipper LindberghSeenHAMArrived at 08.44LT, after a low-pass, from Palmdale, CA, USA for a 4 month Heavy Maintenance visit at Lufthansa Technik Hamburg.
2014-06-28N747NASOFIASeenHAMArrived in Hamburg, Germany for heavy maintenance, carried out by Lufthansa. Secondary mirror mechanism was removed prior to the ferry flight. Performed a low fly by before landing.
2014-11-25N747NANASARoll OutHAMRolled out of hangar for engine runs.
2014-12-13N747NASOFIAFlightHAMPerformed a check flight efter the completed D-check.
2014-12-14N747NASOFIAFlightHAM-EDWDeparted after lunch and headed for EDW.
2015-09-28N747NASOFIAClipper LindberghSeenPMDFlew SOFIA mission #243, Palmdale to Palmdale via turning points over the Pacific Ocean and north of Yellowknife Canada, taking off at 21:54 local time on 28th September and landing back 07:19 the following morning, airborne time 9 hours 25 minutes. Purpose of flight was to test the FLITECAM near-infrared camera. During D-check in HAM air conditioning system and cabin walls were completely replaced.
2016-03-23N747NASOFIAClipper LindberghSeenJust came over Penn Valley ca.
2016-10-17N747NASOFIASeenPMD747SP users meeting together with Pratt & Whitney Canada 747SP C-GTFF
2017-11-20N747NASOFIAClipper LindberghSeenHAMArrived for C-check at Lufthansa Technik
2018-03-03N747NASOFIAClipper LindberghSeenHAMTaxi tests
2018-05-11N747NASOFIAClipper LindberghFlightHAMPerformed a testflight.
2018-05-15N747NASOFIAClipper LindberghFlightHAMPerformed a testflight with touch-n-go at HAJ
2018-05-17N747NASOFIAClipper LindberghFlightHAMPerformed a testflight with touch-n-go at HAJ
2018-05-18N747NASOFIAClipper LindberghFlightPMDFlight back to PMD after maintenance in HAM.
2018-05-31N747NASOFIAClipper LindberghFlightHNLFlight PMD-HNL
2018-06-01N747NASOFIAClipper LindberghFlightCHCFlight HNL-CHC
2018-07-20N747NASOFIAClipper LindberghFlightHNLFlight CHC-HNL. Returning after New Zealand mission
2018-07-20N747NASOFIAClipper LindberghFlightPMDFlight HNL-PMD
2018-08-16N747NASOFIAClipper LindberghFlightPMDDeparted for SUU, diverted and returned to PMD.
2019-05-29N747NASOFIAClipper LindberghFlightHNLFlight PMD-HNL. Left for New Zealand mission
2019-05-31N747NASOFIAClipper LindberghFlightCHCFlight HNL-CHC
2019-07-28N747NASOFIAClipper LindberghFlightHNLFlight CHC-HNL
2019-07-29N747NASOFIAClipper LindberghFlightPMDFlight HNL-PMD
2019-09-15N747NASOFIAClipper LindberghFlightSTRFlight PMD-STR
2019-09-18N747NASOFIAClipper LindberghFlightSTRFirst European scientific mission. 10 hour flight.
2019-09-20N747NASOFIAClipper LindberghFlightMSPFlight STR-MSP. Short stop for refuelling and clearing customs.
2019-09-20N747NASOFIAClipper LindberghFlightPMDFlight MSP-PMD. Returned to PMD after European mission.
2020-09-30N747NASOFIAClipper LindberghFlightHAMFlight PMD-HAM for maintenance
2021-01-31N747NASOFIAClipper LindberghFlightHAMTest flight after maintenance. 6H37min flight HAM-HAM
2021-02-01N747NASOFIAClipper LindberghFlightHAMTest flight after maintenance. 1H26min HAM-HAM
2021-02-04N747NASOFIAClipper LindberghFlightCGNFlight HAM-CGN


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