Illustrative image; it may differ from the actual aircraft.

BAC One-Eleven 400 (1-11-420EL)

BAC111-123Unknown

RegistrationNG5N-AOS

Verified aircraft dataagainst the official civil aviation register

OKOperatorOkada Airlines

5operators

0incidents

0accidents

0logbook years

0photos

BAC One-Eleven 400 (1-11-420EL). Has operated for Austral, Austral Lineas Aereas and Okada Airlines.

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.

Recent flights

Checking flight activity…

Technical data

Country of registrationNigeria

MSN123

VerificationIdentity verified against the official register of ANAC Argentina (Argentina) under its former registration LV-IZS · Oct 9, 2026

The model · BAC One-Eleven

Figures for the One-Eleven 500 variant, the most representative of the family

Length32.6 m107 ft

Wingspan28.5 m94 ft

Height7.5 m25 ft

Range2,744 km1,482 NMWith a typical passenger load

Cruise speed742 km/h401 ktMach 0.70

Service ceiling10,668 m35,000 ftIt flies above Everest (1.2 times its height)

Maximum take-off weight47,400 kg104,499 lb

Maximum payload22,642 kg49,917 lbIts 97 passengers with baggage would weigh about 9.7 t; the rest is fuel and cargo

Typical capacity97 passengersUp to 119 in a high-density layout

Endurance3 h 42 minAt cruise speed, non-stop

The type first flew in 1963 (63 years ago) · About 244 units built · Production ended in 1989

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 BAC One-Eleven Compare this aircraft

Flight logbook

Under research

Aircraft chronology

Nov 8, 1967

Delivered to Austral

Delivered to Austral as LV-IZS.

Jun 1, 1971

Transferred to Austral Lineas Aereas

Transferred to Austral Lineas Aereas.

Jul 1, 1982

Transferred to BAC

Transferred to BAC.

Sep 1, 1982

Transferred to Quebecair

Transferred to Quebecair.

Oct 30, 1985

Transferred to Okada Airlines

Transferred to Okada Airlines.

Operators

1967-11-08

Austral

Registration LV-IZS

1971-06-01

Austral Lineas Aereas

Registration LV-IZS

1982-07-01

BAC

Registration N3126Q

1982-09-01

Quebecair

Registration C-GQBV

1985-10-30

Okada Airlines

Registration 5N-AOS

Register of memories

This space lets visitors record the memories they have with this aircraft and, in doing so, help fund this non-profit project: the largest aviation encyclopedia in the world.

Diamond

your photo

(Your name could be here)

Did you fly on this aircraft on your honeymoon? You can record it for posterity.

Get one

Gold

your photo

Your partner's name

Did you meet on a flight like this one? Leave the name written forever.

Get one

Silver

your photo

Your father's name

Did he ever fly on this aircraft? Honor him with a memory.

Get one

Memories in rotation—

Get one

See the full list of memories

Cite

To cite this page in academic work, an article or Wikipedia, choose the style and copy the reference. The access date is today.

This page was last updated on October 10, 2026

APA

Vuelopedia. (2026, October 10). BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines. Retrieved October 16, 2026, from https://vuelopedia.org/en/aircraft/BAC111-123

MLA

“BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines.” Vuelopedia, Fundación Poderia, 10 Oct. 2026, vuelopedia.org/en/aircraft/BAC111-123. Accessed 16 Oct. 2026.

Chicago

Vuelopedia. “BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines.” Fundación Poderia. Last modified October 10, 2026. https://vuelopedia.org/en/aircraft/BAC111-123.

Harvard

Vuelopedia (2026) BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines. Available at: https://vuelopedia.org/en/aircraft/BAC111-123 (Accessed: 16 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_bac111_123,
  author       = {{Vuelopedia}},
  title        = {{BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-10},
  url          = {https://vuelopedia.org/en/aircraft/BAC111-123},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/BAC111-123}},
  urldate      = {2026-10-16},
  note         = {Accessed 2026-10-16}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/BAC111-123 |title=BAC One-Eleven 400 (1-11-420EL) · 5N-AOS · Okada Airlines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-10 |access-date=2026-10-16 |language=en}}