M601F
M601F ENGINE
M601F/1b
Possibilities of extending of the Time Between Overhauls (TBO) determined by number of years for all M601 engine models which have not yet consumed TBO determined by number of flight hours and/or number of cycles (equivalent cycles).
Nov 14, 1994
M601F/2b
Features of the B3V oil and of the "Kaptax" antiwear agent when used in all models of the M601 engine.
Nov 23, 1995
M601F/3b
Change in name of the "WALTER" aircraft engine manufacturer from former MOTORLET a.s. to traditional WALTER ENGINES a.s. Support of operation of used engines of the following models: WALTER M601A, M601B, M601D, M601D-1, M601E and M601Z.
Users from the former Soviet Union and countries of Eastern Europe have been selling these engines either as individual engines or together with L 410, Z37T, PZL-106BT-601 airplanes.
Mar 29, 1996
M601F/4b
Possibilities of extending of the Time Between Overhauls (TBO) determined by number of years for all flight hours and/or number of cycles (equivalent cycles).
Mar 29, 1996
M601F/5b
Compressor recovery wash concerning all WALTER M601 engine models in operation.
Nov 1, 1997
M601F/6b
Not issued.
M601F/7b
Possibility of replacement of the LUN 2201.03-8 ignition unit by the UNISON P/N 9049765-1 ignition unit.
Dec 2, l998
M601F/8b
Possibility of extension of operation time between replacement of the M601-529.7 filtration cartridge. Extension of operation life of the N 25 F-3 spark plug according to the technical condition.
Apr 28, 2000
M601F/9b
Modification of the M601-418.7, M601-419.7 exhaust nozzles.
Apr 28, 2000
M601F/10b
Cancellation of service life limits and of fixed number of overhauls at all WALTER M601 engine models.
Sep 5, 2002
M601F/11b
The Kathon FP 1.5 biocide can be used as an ingredient to the fuel as far as the contamination of the fuel has been found out. The ROYCO TURBINE OIL 560 can be used at all WALTER M601 engine models.
Oct 18, 2002
M601F/12b
A) Engine Air Path Washing for Salt Deposit Removal. B) Optional Compressor Recovery Wash
August 11, 2004
M601F/13b
Occurrence of sound effect on some engines with low pressure bleed air, which are designated as BC 01 building configuration
August 11, 2004
M601F/12b R 1
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Mar 11, 2005
M601F/14b
Transfer of the WALTER M601 engine Type Certificates and all activities and responsibilities in the sector of the civil aviation from WALTER a.s. to WALTER ENGINES a.s.
Apr 28, 2005
M601F/15b
Issue of the Type Certificate EASA.E.070 for WALTER M601 turbopropeller series engines
May 13, 2005
M601F/16b
Unification of used Fuel Control Units and Fuel Pumps
Nov 7, 2005
M601F/12b R 2
A) Engine Air Path Washing for Salt Deposit Removal.B) Compressor Recovery Wash
Feb 3, 2006
M601F/16b R 1
Unification of used Fuel Control Units and Fuel Pumps
Apr 5, 2006
M601FS ENGINE
M601FS/1b
A) Engine Air Path Washing for Salt Deposit Removal.B) Optional Compressor Recovery Wash
Aug 11, 2004
M601FS/2b
Occurrence of sound effect on some engines with low pressure airbleed, which are designated as BC 01 building configuration.
Aug 11, 2004
M601FS/1b R 1
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Mar 11, 2005
M601FS/3b
Transfer of the WALTER M601 engine Type Certificates and all activities and responsibilities in the sector of the civil aviation from WALTER a.s. to WALTER ENGINES a.s. Apr 28, 2005
M601FS/4b Issue of the Type Certificate EASA.E.070 for WALTER M601 turbopropeller series engines
May 13, 2005
M601FS/1b R 2
A) Engine Air Path Washing for Salt Deposit Removal.
B) Compressor Recovery Wash
Feb 3, 2006
M601F-22 ENGINE
M601F-22/1b
Possibilities of extending of the Time Between Overhauls (TBO) determined by number of years for all M601 engine models which have not yet consumed TBO determined by number of flight hours and/or number of cycles (equivalent cycles).
Nov 14, 1994
M601F-22/2b
Cancellation of monitoring and recording in "Engine Log Book" of the 20 % of the engine ground operation period. This concerns all M601 models since new edition of the "Engine Log Book" has been issued.
Aug 31, 1995
M601F-22/3b
Features of the B3V oil and of the "Kaptax" antiwear agent when used in all models of the M601 engine.
Nov 23, 1995
M601F-22/4b
Change in name of the "WALTER" aircraft engine manufacturer from former MOTORLET a.s. to traditional WALTER ENGINES a.s. Support of operation of used engines of the following models: WALTER M601A, M601B, M601D, M601D-1, M601E and M601Z.
Users from the former Soviet Union and countries of Eastern Europe have been selling these engines either as individual engines or together with L 410, Z37T, PZL-106BT-601 airplanes.
Mar 29, 1996
M601F-22/5b
Possibilities of extending of the Time Between Overhauls (TBO) determined by number of years for all flight hours and/or number of cycles (equivalent cycles).
Mar 29, 1996
M601F-22/6b
Edition of "Instruction for oil brand change" which forms Supplement No 1B to the "Regulation for equipment, preservation, storage and de-preservation of WALTER M601 engines, accessories and spare parts", Appendix 2
of the M601-P10-12B Regulation.
May 13, 1996
M601F-22/7b
Compressor recovery wash concerning all WALTER M601 engine models in operation.
Nov 1, 1997
M601F-22/8b
Not issued.
M601F-22/9b
Possibility of replacement of the LUN 2201.03-8 ignition unit by the UNISON P/N 9049765-1 ignition unit.
Dec 2, l998
M601F-22/10b
Possibility of extension of operation time between replacement of the M601-529.7 filtration cartridge. Extension of operating life of the N 23 F-3 spark plug according to the technical condition.
Feb 11, 2000
M601F-22/11b
Modification of the M601-418.7, M601-419.7 exhaust nozzles.
Apr 28, 2000
M601F-22/12b
Cancellation of service life limits and of fixed number of overhauls at all WALTER M601 engine models.
Sep 5, 2002
M601F-22/13b
The Kathon FP 1.5 biocide can be used as an ingredient to the fuel as far as the contamination of the fuel has been found out. The ROYCO TURBINE OIL 560 can be used at all WALTER M601 engine models.
Oct 18, 2002
M601F-22/12b R1
Cancellation of service life limits and of fixed number of overhauls at all WALTER M601 engine models.
Dec 6, 2003
M601F-22/14b
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Aug 11, 2004
M601F-22/14b R 1
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Mar 11, 2005
M601F-22/15b
Transfer of the WALTER M601 engine Type Certificates and all activities and responsibilities in the sector of the civil aviation from WALTER a.s. to WALTER ENGINES a.s.
Apr 28, 2005
M601F-22/16b
Issue of the Type Certificate EASA.E.070 for WALTER M601 turbopropeller series engines
May 13, 2005
M601F-22/17b
Unification of used Fuel Control Units and Fuel Pumps
Nov 7, 2005
M601F-22/14b R 2
A) Engine Air Path Washing for Salt Deposit Removal.
B) Compressor Recovery Wash
Feb 3, 2006
M601F-22/17b R 1
Unification of used Fuel Control Units and Fuel Pumps
Apr 5, 2006
M601F-32 ENGINE
M601F-32/1b
Features of the B3V oil and of the "Kaptax" antiwear agent when used in all models of the M601 engine.
Nov 23, 1995
M601F-32/2b
Change in name of the "WALTER" aircraft engine manufacturer from former MOTORLET a.s. to traditional WALTER ENGINES a.s. Support of operation of used engines of the following models: WALTER M601A, M601B, M601D, M601D-1, M601E and M601Z.
Users from the former Soviet Union and countries of Eastern Europe have been selling these engines either as individual engines or together with L 410, Z37T, PZL-106BT-601 airplanes.
Mar 29, 1996
M601F-32/3b
Possibilities of extending of the Time Between Overhauls (TBO) determined by number of years for all flight hours and/or number of cycles (equivalent cycles).
Mar 29, 1996
M601F-32/4b
Compressor recovery wash concerning all WALTER M601 engine models in operation.
Nov 1, 1997
M601F-32/5b
Not issued.
M601F-32/6b
Possibility of replacement of the LUN 2201.03-8 ignition unit by the UNISON P/N 9049765-1 ignition unit.
Dec 2, l998
M601F-32/7b
Possibility of extension of the operation time between replacement of the M601-529.7 filtration cartridge. Extension of operation life of the N 25 F-3 spark plug according to the technical condition.
Apr 28, 2000
M601F-32/8b
Modification of the M601-418.7, M601-419.7 exhaust nozzles.
Apr 28, 2000
M601F-32/9b
Not issued.
Oct 18, 2002
M601F-32/10b
Cancellation of service life limits and of fixed number of overhauls at all WALTER M601 engine models.
Sep 5, 2002
M601F-32/11b
The Kathon FP 1.5 biocide can be used as an ingredient to the fuel as far as the contamination of the fuel has been found out. The ROYCO TURBINE OIL 560 can be used at all WALTER M601 engine models.
Oct 18, 2002
M601F-32/10b R1
Cancellation of service life limits and of fixed number of overhauls at all WALTER M601 engine models.
Dec 6, 2003
M601F-32/12b
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Aug 11, 2004
M601F-32/12bR 1
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
Mar 11, 2005
M601F-32/13b
Transfer of the WALTER M601 engine Type Certificates and all activities and responsibilities in the sector of the civil aviation from WALTER a.s. to WALTER ENGINES a.s.
Apr 28, 2005
M601F-32/14b
Issue of the Type Certificate EASA.E.070 for WALTER M601 turbopropeller series engines
May 13, 2005
M601F-32/15b
Unification of used Fuel Control Units and Fuel Pumps
Nov 7, 2005
M601F-32/12b R 2
A) Engine Air Path Washing for Salt Deposit Removal.
B) Compressor Recovery Wash
Feb 3, 2006
M601F-32/15b R 1
Unification of used Fuel Control Units and Fuel Pumps
Apr 5, 2006
M601FS Engine
M601FS/1b
A) Engine Air Path Washing for Salt Deposit Removal.
B) Optional Compressor Recovery Wash
August 11, 2004
M601FS/2b
Occurrence of sound effect on some engines with low pressure airbleed, which are designated as BC 01 building configuration.
Aug 11, 2004
M601FS/1b R 1
A) Engine Air Path Washing for Salt Deposit Removal.B) Optional Compressor Recovery Wash
Mar 11, 2005
M601FS/3b
Transfer of the WALTER M601 engine Type Certificates and all activities and responsibilities in the sector of the civil aviation from WALTER a.s. to WALTER ENGINES a.s.
Apr 28, 2005
M601FS/4b
Issue of the Type Certificate EASA.E.070 for WALTER M601 turbopropeller series engines
May 13, 2005
M601FS/1b R 2
A) Engine Air Path Washing for Salt Deposit Removal.
B) Compressor Recovery Wash
Feb 3, 2006
PrintNews
Press Releases
