Illustrative image; it may differ from the actual aircraft.

Sikorsky S-43

S43-4351Written off

RegistrationIDPK-AFX

KOOperatorKoninklijke Luchtvaart Maatschappij

2operators

0incidents

0accidents

0logbook years

0photos

Sikorsky S-43. Operated for Inter Island Airways and Koninklijke Luchtvaart Maatschappij.

Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

Technical data

ManufacturerSikorsky

Country of registrationIndonesia

MSN4351

VerificationPending check against the official civil register

The model · Sikorsky S-43

Figures for the S-43 variant, the most representative of the family

Length15.6 m51 ft

Wingspan26.2 m86 ft

Height5.4 m18 ft

Range1,247 km673 NMWith a typical passenger load

Cruise speed267 km/h144 ktMach 0.25

Service ceiling5,791 m18,999 ft

Maximum take-off weight8,845 kg19,500 lb

Maximum payload3,062 kg6,751 lbIts 19 passengers with baggage would weigh about 1.9 t; the rest is fuel and cargo

Typical capacity19 passengersUp to 25 in a high-density layout

Endurance4 h 40 minAt cruise speed, non-stop

The type first flew in 1935 (91 years ago) · About 53 units built · Production ended in 1939

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

The full story of the Sikorsky S-43 Compare this aircraft

Flight logbook

Under research

Aircraft chronology

Oct 21, 1941

Delivered to Koninklijke Luchtvaart Maatschappij

Delivered to Koninklijke Luchtvaart Maatschappij as PK-AFX.

Operators

—

Inter Island Airways

Registration NC20697

1941-10-21

Koninklijke Luchtvaart Maatschappij

Registration PK-AFX

In memoriam

This aircraft suffered a serious accident or hull loss. Out of respect for what happened and for the people who may have been affected, this record does not enable the register of memories.

Cite

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This page was last updated on October 15, 2026

APA

Vuelopedia. (2026, October 15). Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij. Retrieved October 18, 2026, from https://vuelopedia.org/en/aircraft/S43-4351

MLA

“Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij.” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/aircraft/S43-4351. Accessed 18 Oct. 2026.

Chicago

Vuelopedia. “Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij.” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/aircraft/S43-4351.

Harvard

Vuelopedia (2026) Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij. Available at: https://vuelopedia.org/en/aircraft/S43-4351 (Accessed: 18 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_s43_4351,
  author       = {{Vuelopedia}},
  title        = {{Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-15},
  url          = {https://vuelopedia.org/en/aircraft/S43-4351},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/S43-4351}},
  urldate      = {2026-10-18},
  note         = {Accessed 2026-10-18}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/S43-4351 |title=Sikorsky S-43 · PK-AFX · Koninklijke Luchtvaart Maatschappij |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-18 |language=en}}