Swissair operated 8 different Fokker VII aircrafts between 1931 and 1935.
Registrations used were:

CH-162 (later HB-LBQ) | CH-163 (later HB-LBR) | CH-164 (later HB-LBS)
CH-165 (later HB-LAN) | CH-166 (later HB-LAO)
CH-190 (later HB-LAK)
CH-192 | CH-193

In the collection 1 of the 8 aircrafts are represented.

CH-166 (later HB-LAO)
Construction number 1331, model Fokker VIIb-3m.
"Inherited" from Balair July 26 1931.
Re-registerred to HB-LAO in 1934.
Sold in October 1935 to Ala Littoria as I-ADUA.

Swissair operated 6 different Douglas DC-2 aircrafts between 1935 and 1952.
Registrations used were:

HB-ISA, HB-ISI, HB-ITA, HB-ITE, HB-ITI, HB-ITO

In the collection 4 of the 6 aircrafts are represented.

HB-ISI
Construction number 1331, model Douglas-Fokker DC-2-115B.
Delivered in July 1935.
Destroyed at Stuttgart during WWII bombings August 1944.

HB-ITA
Construction number 1329, model Douglas-Fokker DC-2-115B.
Delivered in January 1935.
Crashed in January 1939 near Senlis (Paris, France).

Accident description (Aviation Safety Network)

HB-ITE
Construction number 1322, model Douglas-Fokker DC-2-115B.
Delivered in 1935.
In service until 1952 when it was sold to Phoenix Airlines. New registration became ZS-DFW.

HB-ITI
Construction number 1321, model Douglas-Fokker DC-2-115B.
Delivered in December 1934.
In service until February 28 1936 when it crashed during an attempted start from Zürich-Dübendorf.
No fatalities, but the aircraft was broken beyond repair.

Accident description (Aviation Safety Network)

Swissair operated 16 different Douglas DC-3 aircrafts between 1937 and 1964.
Registrations used were:

HB-IRA, HB-IRB, HB-IRC, HB-IRD, HB-IRE, HB-IRF, HB-IRG, HB-IRH, HB-IRI, HB-IRK, HB-IRL,
HB-IRM, HB-IRN, HB-IRO, HB-IRU, HB-IRX

In the collection 12 of the 16 aircrafts are represented.

HB-IRA
Construction number 1945, model Douglas-Fokker DC-3-216.
Delivered in June 1937.
In service until March 1955 when it was sold to Ozark Airlines. New registration became N2815D, later N141D.

HB-IRB
Construction number 42969, model Douglas DC-3D.
Bought in March 1946.
In service until May 1962 when it was sold to Norway. New registration became LN-LMK.
Later on with Comair as ZS-DXW and Ethiopia as ET-AIB.

HB-IRD
Construction number 14609, model Douglas C-47B-5-DK.
Bought in February 1946.
In service until April 1950 when it was sold to Israel. New registration became 4X-FAH.

HB-IRE
Construction number 2121, model Douglas-Fokker DC-3-276.
Delivered in May 1939.
In service until 1955 when it was sold to Ozark Airlines in the United States. New registration became N2818D.
Later registerred to N144D. In 1967 sold to Southern Airlines registerred as N61SA.
Last known registration was N817N.

HB-IRF
Construction number 15020, model Douglas C-47B-10DK.
Bought in May 1946.
In service until November 1960 when it was sold to Spantax. New registration became EC-AQX.
Later on in United States as N99873 or in Ethiopia as ET-AGK (different information exists).

HB-IRI
Construction number 1946, model Douglas-Fokker DC-3-216.
Delivered in June 1937.
In service until March 1955 when it was sold to Ozark Airlines. New registration became N2816D, later N142D.

HB-IRK
Construction number 20737, model Douglas C-47B-1-DL.
Bought from the US Military in September 1947.
Crashed in Bodensee during a training flight June 18 1957 killing all 9 onboard.

Accident description (Aviation Safety Network)

HB-IRL
Construction number 16191, model Douglas C-47B-10DK.
Bought in January 1947.
In service until February 1961 when it was sold to Katanga in Africa. New registration became KA-DFN.
Broken up for spare parts.

HB-IRM
Construction number 16191, model Douglas C-47B-30DK.
Bought in April 1947.
In service until February 1961 when it was sold to Morocco. New registration became CN-ALB.
Later on in United States as N54605.

HB-IRN
Construction number 16191, model Douglas C-47B-35DK.
Bought in March 1947.
In service until 1964 when it was transferred to Swissair Aviation School. It flew for the school until 1969.

HB-IRO
Construction number 2054, model Douglas-Fokker DC-3-227A.
Delivered in October 1938.
In service until March 1955 when it was sold to Ozark Airlines. New registration became N2817D, later N143D.
Later (1974) with Airline Aviation Academy Griffin.

HB-IRX
Construction number 16191, model Douglas C-47B-35DK.
Bought in March 1947.
In service until 1964 when it was transferred to Swissair Aviation School. It flew for the school until 1969

Swissair operated 5 different Douglas DC-4 aircrafts between 1959 and 1974.
Registrations used were:

HB-ILA, HB-ILE, HB-ILI, HB-ILO, HB-ILU

In the collection 2 of the 5 aircrafts are represented.

The DC-4 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-ILA
Construction number 2054, model Douglas DC-4-1009.
Delivered in November 1946 named Genève.
In service until May 1959 when it was sold to Balair. Registration remained HB-ILA.
Crashed into high terrain in Sudan on May 15 1960.

HB-ILI
Construction number 2054, model Douglas DC-4-1009.
Delivered in April 1947 named Basel.
In service until October 1958 when it was sold to Syrianair. Registration YK-AAR.
In September 1960 the DC-4 was ditched in the Congo River on a cargo flight, 135 miles NE of the destination Leopoldville. All occupants were rescued by a Congolese tug.

Swissair operated 8 different Douglas DC-6 aircrafts between 1951 and 1962.
Registrations used were:

HB-IBA, HB-IBB, HB-IBC, HB-IBE, HB-IBI, HB-IBO, HB-IBU, HB-IBZ

In the collection 4 of the 8 aircrafts are represented.

The DC-6 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-IBA
Construction number 43274, model Douglas DC-6B.
Delivered in June 1951 named Zürich, later renamed Aargau.
In service until August 1962 when it was sold to Sterling Airways. Registration OY-EAO.

HB-IBE
Construction number 43275, model Douglas DC-6B.
Delivered in July 1951 named Genève.
In service until June 1962 when it was sold to Sterling Airways. Registration OY-EAN.

HB-IBI
Construction number 43750, model Douglas DC-6B.
Delivered in October 1952 named St. Gallen.
In service until November 1962 when it was sold to Sterling Airways. Registration OY-EAP.

HB-IBU
Construction number 44088, model Douglas DC-6B.
Delivered in October 1953 named Vaud.
In service until March 1962 when it was sold to Balair. Registration remained HB-IBU.
Later on with Span East Airlines in Florida as N617SE and with Lukas Air in Zaire as 9Q-CVM.

Swissair operated 5 different Douglas DC-7 aircrafts between 1957 and 1962.
Registrations used were:

HB-IBK, HB-IBL, HB-IBM, HB-IBN, HB-IBP

In the collection 1 of the 5 aircrafts are represented.

The DC-7 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-IBK
Construction number 45061, model Douglas DC-7C.
Delivered in November 1957 named Zürich.
In service until February 1962 when it was sold to SAS. New registration became LN-MOG.

Unidentified registrations

Swissair operated 11 different Douglas DC-8 aircrafts between 1960 and 1984.
Registrations used were:

Douglas DC-8-32
HB-IDA, HB-IDB (converted to -53), HB-IDC

Douglas DC-8-53
HB-IDD

Douglas DC-8-62
HB-IDE, HB-IDF, HB-IDG, HB-IDH, HB-IDI, HB-IDK, HB-IDL

In the collection 1 of the 11 aircrafts are represented.

The DC-8 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-IDA
Construction number 45416, model Douglas DC-8-32.
Delivered in April 1960 named Matterhorn later Genève.
In service until March 1968 when it was sold to Südflug. Registration D-ADIM.
Later on with Thai Airways as HS-TGW, then with Overseas International and Agro-Air as N45908, with Aeromar as HI-435 and finally with LAC Columbia as HK-3178X.

Swissair operated 68 different Douglas DC-9 aircrafts between 1966 and 1998.
Registrations used were:

Douglas DC-9-15
HB-IFA, HB-IFB, HB-IFC, HB-IFD, HB-IFE

Douglas DC-9-32
HB-IFF, HB-IFG, HB-IFG, HB-IFI, HB-IFK, HB-IFL, HB-IFMF, HB-IFN, HB-IFO, HB-IFP, HB-IFQ, HB-IFR,
HB-IFS, HB-IFT, HB-IFU, HB-IFV, HB-IFX, HB-IFY, HB-IFZ, HB-IDO, HB-IDP, HB-IDR

Douglas DC-9-33 F
HB-IFW

Douglas DC-9-41
HB-IDV, HB-IDW, HB-IDX, HB-IDY

Douglas DC-9-51
HB-ISK, HB-ISL, HB-ISM, HB-ISN, HB-ISO, HB-ISP, HB-ISR, HB-ISS, HB-IST, HB-ISV, HB-ISW

Douglas DC-9-81 (MD-81, -82, -83)
HB-INA, HB-INB, HB-INC, HB-IND, HB-INE, HB-INF, HB-ING, HB-INH, HB-INI, HB-INK, HB-INL, HB-INM,
HB-INN, HB-INO, HB-INP, HB-INR, HB-INS, HB-INT, HB-INU, HB-INV, HB-INX, HB-INY, HB-INZ
HB-ISX, HB-IUG

In the collection 0 of the 68 aircrafts are represented.

The DC-9 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

Swissair operated 8 different Convair 240 aircrafts between 1949 and 1957.
Registrations used were:

HB-IRP, HB-IRS, HB-IRT, HB-IRV, HB-IRW, HB-IRY, HB-IRZ, HB-IMA

In the collection 3 of the 8 aircrafts are represented.

The CV-240 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-IRS
Construction number 132, model Convair CV-240-11.
Delivered in February 1949 named Glarus.
In service until May 1957 when it was sold to Mohawk Airlines. Registration N1017C.

HB-IRV
Construction number 134, model Convair CV-240-11.
Delivered in February 1949 named Neuchâtel.
In service until November 1956 when it was sold to Mohawk Airlines. Registration N1019C.

HB-IRZ
Construction number 134, model Convair CV-240-4.
Bought from KLM in December 1953 and named Valais. Previous registration with KLM was PH-TEH.
In service until October 1956 when it was sold to Mohawk Airlines. Registration N1014C.

Swissair operated 12 different Convair 440 aircrafts between 1956 and 1968.
Registrations used were:

HB-IMB, HB-IMC, HM-IMD, HB-IMF, HB-IMG, HB-IMH, HB-IMK, HB-IML, HB-IMM, HB-IMN, HB-IMP, HB-IMR

In the collection 6 of the 12 aircrafts are represented.

The Metropolitan aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-IMB
Construction number 327, model Convair CV-440-11.
Delivered in June 1956 and named Fribourg.
In service until August 1967 when it was sold to the German Air Force.

HB-IMF
Construction number 355, model Convair CV-440-11.
Delivered in August 1956 and named Ticino.
In service until February 10 1967 when it crashed during a training flight killing all 4 onboard.

Accident description (Aviation Safety Network)

HB-IMG
Construction number 360, model Convair CV-440-11.
Delivered in August 1956 and named Appenzell IR.
In service until December 1968 when it was sold to the Great Lakes Airlines, registration CF-GLC.

HB-IMH
Construction number 363, model Convair CV-440-11.
Delivered in September 1956 and named Graubünden.
In service until September 1966 when it was sold to the SAHSA Honduras, new registration became HR-SAP.

HB-IMM
Construction number 412, model Convair CV-440-11. Later converted to CV-640
Delivered in March 1957 and named Valais.
In service until April 1968 when it was sold to the SATA Switzerland, registration remained the same.

HB-IMP
Construction number 414, model Convair CV-440-11.
Delivered in April 1957 and named Thurgau.
In service until August 1968 when it was withdrawn from use. Sold in December 1969 to Pan Adria, registration YU-ADT.

Swissair operated 2 different Convair 880-22M aircrafts between 1961 and 1962.
Registrations used were:

HB-ICL, HB-ICM

In the collection 0 of the 2 aircrafts are represented.

The CV-880 aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

Swissair operated 8 different Convair 990A Coronado aircrafts between 1962 and 1975.
Registrations used were:

HB-ICA, HB-ICB, HB-ICC, HB-ICD, HB-ICE, HB-ICF, HB-ICG, HB-ICH

In the collection 2 of the 8 aircrafts are represented.

The Coronado aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.

Click this link for a guide for ease of identification

HB-ICA
Construction number 7, model Convair CV-990-30A.
Registration with Convair before delivery was N8497H. Delivered in January 1962 named Bern.
In service until April 1975 when it was sold to Spantax. Registration EC-CNG.

HB-ICE
Construction number 14, model Convair CV-990-30A.
Registration with Convair before delivery was N8484H. Delivered in August 1962 named Vaud.
In service until June 1975 when it was sold to Spantax. Registration EC-CNJ.

Swissair operated 9 different Caravelle aircrafts between 1960 and 1971.
Registrations used were:

Caravelle III
HB-ICR, HB-ICS, HB-ICT, HB-ICU, HB-ICV, HB-ICW, HB-ICX, HB-ICY, HB-ICZ

In the collection 4 of the 9 aircrafts are represented.

8 of the 9 Caravelle aircrafts are identified not only by their registration numbers towards the back of the fuselage, but also by the coat-of-arms paintings in the front sides of the aircraft.
I'm not aware of any name for HB-ICR in case you wonder why it's missing ...

Click this link for a guide for ease of identification

HB-ICW
Construction number 33, model SUD SE-210 Caravelle III.
Built for SAS.
Delivered in April 1960, named Solothurn.
In service until 1969 when it was sold to Transavia. New registration became PH-TRO.

HB-ICX
Construction number 38, model SUD SE-210 Caravelle III.
Delivered in June 1960, named Chur.
In service until 1971 when it was sold to Catair. New registration became F-BSRD.

HB-ICY
Construction number 43, model SUD SE-210 Caravelle III.
Delivered in 1960 (built for SAS), named Lausanne.
In service until 1969 when it was sold to Transavia. New registration became PH-TRP.

HB-ICZ
Construction number 48, model SUD SE-210 Caravelle III.
Delivered in August 1960 (built for SAS), named Bellinzona.
In service until 1971 when it was sold to Transavia (was leased to Air Algerie a few months 1969-70). New registration became PH-TRR.

Unknown registrations