SAS operated 52 different DC-3 aircrafts between 1948 and 1968.
Registrations used were:

LN-IAF, LN-IAG, LN-IAH, LN-IAK, LN-IAL, LN-IAM, LN-IAN, LN-IAO, LN-IAP, LN-IAQ, LN-IAR, LN-IAS
LN-IAT, LN-IKG, LN-IAH, LN-IKI, LN-LMR, LN-NAB
OY-AAB, OY-AIB, OY-AIC, OY-AOB, OY-DCA, OY-DCE, OY-DCO, OY-DCU, OY-DDA, OY-DDE, OY-DDI
OY-DDO, OY-DDU, OY-DDY, OY-KLA, OY-KLE, OY-KLI
SE-APG, SE-APW, SE-APZ, SE-ARX, SE-AYL, SE-BAA, SE-BAB, SE-BAC, SE-BAL, SE-BAS, SE-BAT, SE-BAU
SE-BAW, SE-BAX, SE-BAZ, SE-BBH, SE-BBI, SE-BBK, SE-BBL, SE-BBM, SE-BBN, SE-BBO, SE-BBP, SE-BBR
SE-BSI, SE-CFP, SE-CFT, SE-CFU, SE-CFW

LN-IAF => SE-CFP, LN-IAG => LN-IKG, LN-IAH => LN-IKH
OY-AAB => OY-KLA, OY-AIB => SE-BSI, OY-DCA => OY-KLE, OY-DCO => SE-CFT, OY-DCU => SE-CFU,
OY-DDE => OY-KLI, OY-DDY => LN-LMR
SE-BAL => SE-BAX

In the collection 1 of the 52 aircrafts are depicted.

SAS operated 10 different DC-4 aircrafts between 1946 and 1957.
Registrations used were:
LN-IAD, LN-IAE
OY-DFI, OY-DFO, OY-DFY (ex SE-BBC)
SE-BBA, SE-BBD, SE-BBE, SE-BBF, SE-BBG

In the collection 7 of the 10 aircrafts are represented.

LN-IAD
Construction number 42993, model Douglas DC-4-1009.
Delivered in June 1946 to DNL (Det Norske Luftfartselskab) named Haakon Viking.
Transferred to SAS in August 1948.
In service until January 1957 when it was sold to Air France. New registration became F-BHBY.

LN-IAE
Construction number 42994, model Douglas DC-4-1009.
Delivered in June 1946 to DNL (Det Norske Luftfartselskab) named Olav Viking.
Transferred to SAS in August 1948.
In service until October 1956 when it was sold to Japan Air Lines. New registration became JA6012.

OY-DFI
Construction number 42931, model Douglas DC-4-1009.
Delivered in 1946 to DDL (Det Danske Luftfartselskab) named Dan Viking.
Transferred to SAS in August 1948.
In service until October 1956 when it was sold to Skymaster Air Charter. New registration became G-AOXK.

OY-DFI Dan Viking was the aircraft making the first official SAS flight in 1946 from Stockholm to New York La Guardia, via Copenhagen, Prestwick and Gander.

OY-DFY
Construction number 42926, model Douglas DC-4-1009.
Delivered in 1946 to ABA (AB Aerotransport) named Sigvard Viking.
Transferred to SAS in August 1948.
In service until March 1954 when it was sold to Forca Aérea Colombiana. New registration became FAC-690.

SE-BBA
Construction number 42905, model Douglas DC-4-1009.
Delivered in 1946 to ABA (AB Aerotransport) named Sigtrygg Viking.
Transferred to SAS in August 1948.
In service until September 1953 when it was sold to Avianca. New registration became HK-173.

SE-BBD
Construction number 42927, model Douglas DC-4-1009.
Delivered in 1946 to SILA (Svensk Interkontinental Lufttrafik AB) named Monsun.
Transferred to SAS in August 1948 named Sigmund Viking.
In service until February 1954 when it was sold to Japan Air Lines. New registration became JA6008.

SE-BBF
Construction number 42929, model Douglas DC-4-1009.
Delivered in 1946 to ABA (AB Aerotransport) named Västan.
Transferred to SAS in August 1948 named Sverker Viking.
In service until June 1955 when it was sold to Avianca. New registration became HK-174.

Unknown registrations

SAS operated 27 different DC-6/DC-6B aircrafts between 1948 and 1964.
Registrations used were:

Douglas DC-6 Cloudmaster (13 aircrafts)

LN-LAG, LN-LAH, LN-LMF (ex SE-BDB)
OY-KLO (ex OY-AAF), OY-KLU (ex OY-AAE), OY-KLY (ex SE-BDC)
SE-BDA, SE-BDD, SE-BDE, SE-BDF, SE-BDL, SE-BDM, SE-BDO

Douglas DC-6B (14 aircrafts)

LN-LML, LN-LMO, LN-LMP, LN-LMS, LN-LMT
OY-KMA, OY-KME, OY-KMI, OY-KMU
SE-BDP, SE-BDR, SE-BDS, SE-BDT, SE-BDU

In the collection 19 of the 27 aircrafts are represented.

LN-LAG
Construction number 43134, model Douglas DC-6.
Delivered in May 1948 named Sverre Viking.
In service until April 1959 when it was sold to Mexicana. New registration became XA-MUM.

SAS operated 18 different DC-7 aircrafts between 1956 and 1968.
Registrations used were:
LN-MOB, LN-MOD, LN-MOE, LN-MOF, LN-MOG
OY-KNA, OY-KNB, OY-KNC, OY-KND, OY-KNE
SE-CCA, SE-CCB, SE-CCC, SE-CCD, SE-CCE, SE-CCF, SE-CCH, SE-CCI

In the collection 0 of the 18 aircrafts are depicted.

SAS operated 29 different DC-8 aircrafts between 1946 and 1963.
Registrations used for the various models were:

DC-8-33
LN-MOA, LN-MOT
OY-KTA, OY-KTB
SE-DBA, SE-DBB, SE-DBC

DC-8-55
LN-MOH, OY-KTC
SE-DBD
N805U

DC-8-62
LN-MOC, LN-MOG, LN-MOO, LN-MOW
OY-KTD (ex SE-DDU), OY-KTE
SE-DBE, SE-DBF, SE-DBG, SE-DBI

DC-8-63
LN-MOU (ex OY-SBK), LN-MOY
OY-KTF, OY-KTG, OY-KTH (ex LN-MOF), OY-SBM (ex SE-DBH)
SE-DBK, SE-DBL

In the collection 0 of the 29 aircrafts are depicted.