Military Ancestor

RAF Squadrons and Operations Supporting guide

Aircrew or Ground Crew: Why Does It Matter?

The distinction matters because the records differ: aircrew appear in crew lists and operation entries, while ground crew appear mainly in postings, trades and station records. Knowing which side of that line a person stood on tells you which records are worth opening first.

Published 31 October 2026 | Independent educational guidance | Deceased persons only

Filed under RAF Squadrons and Operations Records: A Method Guide

What should you look for first?

The distinction matters because the records differ: aircrew appear in crew lists and operation entries, while ground crew appear mainly in postings, trades and station records. Knowing which side of that line a person stood on tells you which records are worth opening first.

Do not open five records at once. Open one, extract what it actually says, write it down with its reference, and only then open the next. The question to carry into every record is small: does this name, number, unit and date belong to the person I started with, or to someone like them?

Reading what the record actually says

If you cannot read a word, mark it unread rather than guessing it. A guessed word, once written into a timeline, is very hard to dislodge. A record that names several people should be read for all of them, not just for yours. The others are what prove, or break, the identification.

If an entry seems to contradict the previous entry, read the entries between them. The contradiction often dissolves into a transfer, a posting, or a correction. Do not modernise a place name, a rank or a trade in your notes without keeping the original wording alongside it. The original wording is what the next search needs.

Dead ends to expect here

Do not confuse a record that is hard to find with a record that does not exist. Difficulty is a property of the search, not of the record. Do not mistake a digitised index for the whole record set. An index that covers part of a series will hide entries that the full catalogue would show.

  • A squadron disbanded or renumbered, breaking a simple number trail.
  • An operations book that is thin or missing for the exact dates.
  • A crew list that gives initials rather than full names.
  • A published history that fills gaps without saying so.

The order to work in

A method that works is a slow one. Each step below earns the next, and skipping a step does not save time, it creates a check you will have to do later. If a step takes you to a holder, a catalogue, or an archive, fix the reference before you go. A visit or a request without a reference wastes the visit.

  • Take the posting dates from the personal file before opening any unit record.
  • Open the operations record book for those dates only, and note its reference.
  • Check names, ranks and roles in crew or personnel lists against the personal file.
  • Use station records and published histories only after the unit record for those dates has been read.

The next record in the chain

The end of a guide is a good place to review the timeline for unreferenced entries. Remove them, or mark them, before they harden into facts. Where the next step involves a different holder, take the reference with you. A holder approached without a reference can only offer general guidance.

Do not open a new area of research to escape a dead end in this one. Note the dead end, choose the next check inside this area, and only then widen the search. The best next step is the smallest one that answers a real question. Grand searches rarely beat a single well-chosen record.

Primary sources for this guide

This guide keeps its claims general and points to the official holders, so the holder itself is the place to check the current position. It is general educational information only, not personal professional advice, and it offers no record lookup service and no determination of any individual's service.

Please note: Only deceased persons are covered here, and the privacy of living people is respected throughout: nothing on this site identifies a living person from a service record. Where a holder's process is described, use the holder's current guidance for your case.