Boeing Model 40B

mailplane series by Boeing

Place aircraft_family Q21034528

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Boeing Model 40B

Summary

Boeing Model 40B is an aircraft family^[1].

Key Facts

Boeing Model 40B's instance of is recorded as aircraft family^[2].
Boeing Model 40B's subclass of is recorded as Boeing Model 40^[3].
Boeing Model 40B's powered by is recorded as R-1690 Hornet^[4].
Boeing Model 40B's maximum capacity is recorded as {'unit': 'http://www.wikidata.org/entity/Q2095549', 'amount': '+1'}^[5].
Boeing Model 40B's maximum capacity is recorded as {'unit': 'http://www.wikidata.org/entity/Q319604', 'amount': '+4'}^[6].
Boeing Model 40B's maximum capacity is recorded as {'unit': '1', 'amount': '+3'}^[7].
Boeing Model 40B's described by source is recorded as The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition^[8].
Boeing Model 40B's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q218593', 'amount': '+400'}^[9].
Boeing Model 40B's wingspan is recorded as {'unit': 'http://www.wikidata.org/entity/Q218593', 'amount': '+530'}^[10].
Boeing Model 40B's speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+105'}^[11].
Boeing Model 40B's speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+132'}^[12].
Boeing Model 40B's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q100995', 'amount': '+6079'}^[13].
Boeing Model 40B's vehicle range is recorded as {'unit': 'http://www.wikidata.org/entity/Q253276', 'amount': '+550'}^[14].
Boeing Model 40B's nominal power output is recorded as {'unit': 'http://www.wikidata.org/entity/Q2276380', 'amount': '+525'}^[15].
Boeing Model 40B's maximum operating altitude is recorded as {'unit': 'http://www.wikidata.org/entity/Q3710', 'amount': '+15000'}^[16].

Body

Physical Characteristics

Boeing Model 40B's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q218593', 'amount': '+400'}^[9]. Speeds include {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+105'}^[11] and {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+132'}^[12].

Designation and Status

Boeing Model 40B's instance of is recorded as aircraft family^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of aircraft family

Subclass of Boeing Model 40

Properties

Described by source The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition

Imported from wholeness_audit_2026-05-02

Length unit: www.wikidata.org, amount: +400

Mass unit: www.wikidata.org, amount: +6079

Maximum capacity unit: www.wikidata.org, amount: +1, unit: www.wikidata.org, amount: +4, unit: 1, amount: +3

Maximum operating altitude unit: www.wikidata.org, amount: +15000

Nominal power output unit: www.wikidata.org, amount: +525

Speed unit: www.wikidata.org, amount: +105, unit: www.wikidata.org, amount: +132

Vehicle range unit: www.wikidata.org, amount: +550

Wingspan unit: www.wikidata.org, amount: +530

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Boeing Model 40B — instance of (P31): aircraft family. wikidata.org.
[3] ↑ Boeing Model 40B — subclass of (P279): Boeing Model 40. wikidata.org.
[4] ↑ Boeing Model 40B — powered by (P516): R-1690 Hornet. Passenger Airliners of the United States 1926-1986. wikidata.org.
[5] ↑ Boeing Model 40B — maximum capacity (P1083): {'unit': 'http://www.wikidata.org/entity/Q2095549', 'amount': '+1'}. Passenger Airliners of the United States 1926-1986. wikidata.org.
[6] ↑ Boeing Model 40B — maximum capacity (P1083): {'unit': 'http://www.wikidata.org/entity/Q319604', 'amount': '+4'}. Passenger Airliners of the United States 1926-1986. wikidata.org.
[7] ↑ Boeing Model 40B — maximum capacity (P1083): {'unit': '1', 'amount': '+3'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[8] ↑ Boeing Model 40B — described by source (P1343): The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[9] ↑ Boeing Model 40B — length (P2043): {'unit': 'http://www.wikidata.org/entity/Q218593', 'amount': '+400'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[10] ↑ Boeing Model 40B — wingspan (P2050): {'unit': 'http://www.wikidata.org/entity/Q218593', 'amount': '+530'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[11] ↑ Boeing Model 40B — speed (P2052): {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+105'}. Passenger Airliners of the United States 1926-1986. wikidata.org.
[12] ↑ Boeing Model 40B — speed (P2052): {'unit': 'http://www.wikidata.org/entity/Q211256', 'amount': '+132'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[13] ↑ Boeing Model 40B — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q100995', 'amount': '+6079'}. Passenger Airliners of the United States 1926-1986. wikidata.org.
[14] ↑ Boeing Model 40B — vehicle range (P2073): {'unit': 'http://www.wikidata.org/entity/Q253276', 'amount': '+550'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[15] ↑ Boeing Model 40B — nominal power output (P2109): {'unit': 'http://www.wikidata.org/entity/Q2276380', 'amount': '+525'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.
[16] ↑ Boeing Model 40B — maximum operating altitude (P2254): {'unit': 'http://www.wikidata.org/entity/Q3710', 'amount': '+15000'}. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition. wikidata.org.

Class ancestry

[1] ↑ Boeing Model 40B is an instance of aircraft family (Q15056993) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Boeing Model 40B. Retrieved May 3, 2026, from https://4ort.xyz/entity/boeing-model-40b

MLA “Boeing Model 40B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/boeing-model-40b.

BibTeX

@misc{4ortxyz_boeing-model-40b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Boeing Model 40B}}, year = {2026}, url = {https://4ort.xyz/entity/boeing-model-40b}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Boeing Model 40B — https://4ort.xyz/entity/boeing-model-40b (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/boeing-model-40b · Last refreshed: May 3, 2026