Tim Costley
National Party politician in New Zealand
Timothy John Costley (born 1979/1980) is a New Zealand politician. He was elected as the Member of Parliament in the House of Representatives for Ōtaki, representing the National Party, in the 2023 general election. He was previously a pilot with the Royal New Zealand Air Force (RNZAF).
Early life and education
Costley was raised in Palmerston North by his parents, who were both teachers. He has one sister and one brother and was educated at Palmerston North Boys' High School. He studied at Massey University, graduating with a Bachelor of Science degree in mathematical physics, and at Cranfield University in the United Kingdom where he earned a master's degree in international defence and security. He also has a Diploma in Business.
Military career
Costley joined the Royal New Zealand Air Force (RNZAF) in 2001 as a pilot. He operated Bell UH-1 Iroquois and NHIndustries NH90 helicopters. He saw operational flying service in the Solomon Islands and East Timor.
This brief starts where responsible research should: with the source description of “Tim Costley” as national Party politician in New Zealand. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the people & ideas register because the source frames it as national Party politician in New Zealand. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q99835327. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1979, 1980, 2023 and 2001.
Public reputation and documentary evidence do not always develop together; absence from a summary is not evidence of historical absence. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “Tim Costley”, its source revision and the description used here.
- Expand the search: follow Tim Costley primary sources, Tim Costley archive and Costley research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Tim Costley”?
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This entry incorporates text from “Tim Costley” 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.