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Airframe 21441 History
 
 
Airframe:
21441/306
 
 
Version:
747SP-SP21
 
 
Engines:
PW JT9D-7A
 
 
Cabin Configuration:
Telescope SOFIA
 
 
Current Status:
in service
 
 
 
Date
Reg
Airline
Livery
Name
Event
Airport
Notes
4/25/1977 N536PA Pan Am First Flight
5/6/1977 N536PA Pan Am Delivered
4/1/1981 N536PA Pan Am Old small titles Clipper Lindbergh Seen
1/11/1985 N536PA Pan Am Incident Fairbanks, AK Crew diverted to Fairbanks due to aft cargo compartment fire warning light. No fire occurred, false indication. More info.
2/13/1986 N536PA United Bought
2/13/1986 N536PA United Pan Am cheatline Seen MEL
11/1/1986 N145UA United Reg Changed
1/15/1989 N145UA United Old, small titles Seen
7/1/1990 N145UA United Old, small titles Seen SFO
8/1/1990 N145UA United Old, large titles Seen
7/1/1993 N145UA United New United blue/grey livery Seen This would turn out to be the only United SP to be painted in this livery.
10/17/1994 N145UA United Air Lines New c/s Flight IAD-SFO Last revenue flight for United, and the last scheduled revenue flight of an SP in the United States. The following day the plane was ferried to OAK and parked.
10/19/1994 N145UA UAL Malevolent Skies Seen IAD-SFO Flew UA 59 IAD-SFO (I was on the flight) 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). The entry claiming 10/17/1994 was the last service is incorrect though that may have been what was planned.
11/1/1995 N145UA Retired LAS
11/12/1995 N145UA No titles, no logos Seen LAS WFU, stored
12/1/1995 N145UA No titles, no logos Seen LAS WFU, stored
2/17/1997 N145UA NASA New United blue/grey livery, no titles/logos Ferried LAS-SFO
2/20/1997 N145UA NASA New United blue/grey livery, no titles/logos Other SFO Maintenance
2/20/1997 N145UA NASA SOFIA Other SFO New titles... Stratospheric Observatory for Infrared Astronomy
4/30/1997 N145UA Sold Sold to Universities Space Research Association (USRA)
10/27/1997 N145UA Sold Formally sold to NASA.
11/19/1997 N145UA NASA Status New airworthiness certificate is issued by the FAA. Aircraft is classified as EXPERIMENTAL.
5/1/1999 N145UA NASA Other Waco Plane enters hangar in Waco for paint strip and maintenance.
6/1/2003 N145UA NASA Other Waco Telescope fitted into aircraft.
see video
4/25/2004 N145UA NASA Other Waco Aircraft passes "Cabin Proof Pressure Test" in which cabin is pressurized to 12.5 PSI.
12/2/2004 N145UA NASA Other Waco Engine installation completed in preparation for first flight.
12/17/2004 N747NA NASA Other New N number reserved, pending return to service.
2/10/2005 N747NA Other Aircraft jacked off of floor in hangar, and landing gear retracted as part of hydraulic test.
4/1/2005 NASA Roll Out Waco Rolled out of hangar with new tail logo applied.
8/19/2006 N747NA NASA Other Waco Full power engine runs.
  see video
9/25/2006 N747NA SOFIA SOFIA/NASA Livery Roll Out Waco Rolled out with new paint in small ceremony
4/26/2007 N747NA SOFIA White w/ Blue cheatline Flight Waco SOFIA First Flight after heavy modifications and almost 10 years on ground
  see video
5/21/2007 N747NA SOFIA Clipper Lindbergh Other EDW Aircraft named in a ceremony
5/31/2007 N747NA SOFIA Clipper Lindbergh Ferried Waco-EDW Ferried Waco-EDW
see video
Arrived at NASA Dryden
see video
It will undergo installation of systems and flight testing for the next three years.
1/14/2008 N747NA NASA Seen NUQ Seen landing at Moffet Field in Mountain View, CA at 1222 escorted by an F18. Both planes flew in from EDW.
4/9/2009 N747NA NASA SOFIA white Clipper Lindbergh Seen KPMD SOFIA was on display at the dedication ceremony of the Dryden Aircraft Operation Facility, which is the hangar that is its new home at the Palmdale Airport.
12/17/2009 N747NA NASA SOFIA/NASA Livery SOFIA Seen KPMD Seen landing, accompanied by chase plane.
12/18/2009 N747NA NASA SOFIA Seen KPMD Landed at KPMD, accompanied by chase plane.
3/16/2010 N747NA NASA SOFIA Observatory Seen KPMD Landed at Palmdale airport, accompanied by chase plane
7/8/2010 N747NA NASA White SOFIA Seen KEDW Working NASA Flight Control room for latest envelope expansion flight #35.

 
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Photos of Airframe 21441
 


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N747NA
NASA
Date: 1/17/2008 at PMD
Photo: Heinz Hammes
Views: 6746
SOFIA at it's new home in Palmdale, CA
 


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N747NA
NASA
Date: 12/8/2007 at PMD
Photo: Heinz Hammes
Views: 7498
Telescope and Flight Test Instrumentation within SOFIA
 


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Date: 9/25/2006 at CNW, TSTC airport
Photo: Timothy Bronswinkel
Views: 6538
Sofia has fresh paint.. looks good.. sorry for the quallity
 


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N747NA
NASA
Date: 7/26/2006 at CNW
Photo: Timothy Bronswinkel
Views: 7331
Sofia, it was only outside for a couple of days while the president was around. Now it's back in the main hanger
 


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N747NA

Date: 2/3/2006 at ACT
Photo: SOFIA/NASA
Views: 7449
 

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