CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Etalon T121

Ukrainian trolleybus model

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 29, 2025
Entity authorityQ12169009 ↗
Source-derived summary

Etalon T121/T122 Barvinok (periwinkle) is a Ukrainian low-entry trolleybus of large capacity, produced at the Chernihiv Bus Factory since 2013. This model was based on the BKM-321 trolleybus using the body of the BAZ A111 bus. There are currently 43 trolleybuses in operation.

Description

The capacity of the trolleybus is 105 people, including 31 seats. The trolleybus is equipped with a load-bearing body of the wagon layout. The trolleybus is equipped with asynchronous engine DTA-1U1 and control system EPROTET-180-2. The suspension of the front wheels is independent pneumatic, the rear wheels are dependent, pneumatic. The trolleybus has a platform for the boarding of disabled people.

In May 2016, Etalon T12110 received an autonomous running system that allows the trolleybus to travel up to 1 km on its own.

The last batch of trolleybuses is equipped with electric motors AD903 U1 manufactured by Kharkiv plant "Elektrotyazhmash".

Editorial summary

This brief starts where responsible research should: with the source description of “Etalon T121” as ukrainian trolleybus model. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2013, 2016—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Etalon, T121 and Ukrainian can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as ukrainian trolleybus model. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Mar 29, 2025. The linked authority identifier is Q12169009. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2013 and 2016.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Etalon T121”, its source revision and the description used here.
  2. Expand the search: follow Etalon T121 primary sources, Etalon T121 archive and Etalon research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Etalon T121”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Etalon T121” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.