O P R
  Piasecki HUP- Retriever
US Navy
US Marines
  Pilatus P-2

Swiss Air Force
Pilatus P-3

Brasilian Navy

Swiss Air Force
Swissair
Pilatus PC-6 Porter
Austrian Air Force
Armée de Terre

Kaset
Royal Oman Police
Royal Thai Air Force
Royal Thai Army
Royal Thai Police
Swiss Air Force
Air America
CASI

Sahakol Airlines
  Pilatus PC-7

Swiss Air Force
Dutch Air Force
Pilatus PC-9
Royal Thai Air Force
Swiss Air Force
  Pilatus PC-21

Swiss Air Force
Piper Cup
Royal Thai Air Force
Royal Thai Navy
Royal Thai Army
Swiss Air Force
Israeli Air Force
Potez 63
Swiss Air Force