WSK "PZL-Warszawa-Okęcie" propeller model P/N US 122 000

Suspected Unapproved Parts Details

WSK "PZL-Warszawa-Okęcie" Propeller
Part Number
P/N US 122 000
Serial Number
Hub (S/N: K8513); Blade 1 (S/N: 12324); Blade 2 (S/N: 12309)

Germany’s LBA informed EASA that the following parts were stolen in April 2023, from a flying club: 

WSK "PZL-Warszawa-Okęcie" propeller model P/N US 122 000 (type certificate No. DB-118 - issued by CAA in Poland)

  • Hub (S/N: K8513)
  • Blade 1 (S/N: 12324)
  • Blade 2 (S/N: 12309).

This type of propeller is known to be installed on PZL-104 WILGA 80 and WILGA 35(A) aeroplanes (TCDS No.: EASA.A.061 refers).  

Although the corresponding propeller logbook and airworthiness certificates are still in possession of the flying club, the reporting aviation authority has indicated that the possibility exists that the parts may be offered for sale on the open market. 

Recommendation: The stolen parts and equipment listed above are to be considered unapproved and not eligible for installation on an aircraft.

Owners, operators, and maintenance organizations are encouraged to inspect their aircraft and inventories for the referenced part numbers and corresponding serial numbers. If any of these parts is found on board the aircraft or stored in the inventory, it is recommended to remove and quarantine it, to prevent its installation. It is also recommended to inform accordingly the Department T5 of the Luftfahrt-Bundesamt, E-mail: T5-sup [at]

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