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Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland

Boeing 737-400 (737-4Z9) illustration in ASL Airlines Ireland livery Illustrative image; it may differ from the actual aircraft.

Boeing 737-400 (737-4Z9)

B737-27094Unknown
RegistrationIEEI-STM
OperatorASL Airlines Ireland
0operators
2incidents
0accidents
0logbook years
0photos

Boeing 737-400 (737-4Z9) built in 1993 in Renton.

NewNearly newYoungMatureAgingOld
Old · 33 years · ≈ 108,900 flight hours (approx.)
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

ManufacturerBoeing
Engines2× 2x CFM CFM56-3C1
PropulsionJet
First flight1993
Built inRenton, Washington (EE. UU.)
Country of registrationIrlanda
OwnerAsl Airlines (ireland) Limited
MSN27094
Hex / ICAO 24-bit4CA8AD
VerificationPending check against the official civil register

The model · Boeing 737

Figures for the 737-800 variant, the most representative of the family

Length39.5 m129 ft
Wingspan35.8 m117 ft
Height12.6 m41 ft
Range5,436 km2,935 NMWith a typical passenger load
Cruise speed834 km/h450 ktMach 0.79
Service ceiling12,500 m41,011 ftIt flies above Everest (1.4 times its height)
Maximum take-off weight79,016 kg174,200 lb
Maximum payload37,603 kg82,900 lbIts 162 passengers with baggage would weigh about 16.2 t; the rest is fuel and cargo
Typical capacity162 passengersUp to 189 in a high-density layout
Endurance6 h 31 minAt cruise speed, non-stop

With its 5,436 km range, from Dublin it could fly non-stop as far as:

LOSLagos5,281 kmYYZToronto5,261 kmJFKNew York5,103 kmCAICairo3,982 kmISTIstanbul2,922 km
Beyond its rangeDOHDoha5,670 km

The type first flew in 1967 (59 years ago) · About 10,200 units built · Production ended in 2019

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 Boeing 737 Compare this aircraft

Airports

Airports of the airlines that have operated it

current operatorASL Airlines Ireland airline base
Base
DUBDublin

Flight logbook

Under research

Aircraft chronology

1993
Built
Assembled by Boeing in Renton, Washington (USA).
Jul 7, 2021
Incident
On July 7, 2021, the Boeing BOEING 737-4Z9 aircraft (registration EI-STM), operated by ASL Ireland, was involved in an incident. Source: the BFU (Germany).
Source: BFU
Jul 26, 2021
Incident at Milan
On July 26, 2021, the Boeing BOEING 737-4Z9 aircraft (registration EI-STM), operated by ASL Ireland, was involved in an incident at Milan. Source: ASL Ireland.
Source: ASL Ireland

Memories coming soon

The register of memories is not open on this aircraft yet. We are enabling it gradually, record by record, as we consolidate each aircraft's information.

Before opening it we check the aircraft identity — its registration, its serial number and its model — against the civil register of the authority that registered it, so that every memory belongs to the exact aircraft that lived it. When that work reaches this record, the register will open here.

Current position of the aircraft

Looking for a signal…
View on the adsb.lol live map

Real-time position via adsb.lol (ODbL license). There is a signal only while the aircraft is airborne and within coverage.

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). Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland. Retrieved October 16, 2026, from https://vuelopedia.org/en/aircraft/B737-27094

MLA

“Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland.” Vuelopedia, Fundación Poderia, 10 Oct. 2026, vuelopedia.org/en/aircraft/B737-27094. Accessed 16 Oct. 2026.

Chicago

Vuelopedia. “Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland.” Fundación Poderia. Last modified October 10, 2026. https://vuelopedia.org/en/aircraft/B737-27094.

Harvard

Vuelopedia (2026) Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland. Available at: https://vuelopedia.org/en/aircraft/B737-27094 (Accessed: 16 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_b737_27094,
  author       = {{Vuelopedia}},
  title        = {{Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-10},
  url          = {https://vuelopedia.org/en/aircraft/B737-27094},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/B737-27094}},
  urldate      = {2026-10-16},
  note         = {Accessed 2026-10-16}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/B737-27094 |title=Boeing 737-400 (737-4Z9) · EI-STM · ASL Airlines Ireland |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-10 |access-date=2026-10-16 |language=en}}