List by the flight- and maintenance manuals up to date

 
SF 25 B Engine max. Take off Specialty Issue Rev.
Stamo 555 kg Feb. 1972 7
Sauer 1800 555 kg Nov. 1992 0
 
SF 25 C Engine max. Take off Specialty Issue Rev.
Limbach 1700 580 kg Mar. 1972 12
Limbach 1700 580 kg spring mounted bull gear May 1975 11
Limbach 1700 610 kg Okt. 1978 2
Limbach 1700 650 kg Oct. 1983 4
Limbach 2000 650 kg pitch 75 (propeller) Nov. 1983 4
Limbach 2000 580 kg pitch 90 (propeller) July 1990 1
Limbach 2000 610 kg pitch 90 (propeller) June 1990 3
Limbach 2000 650 kg pitch 90 (propeller) May 1990 1
Rotax 912 all MTOW Mar. 1997 9
Rotax 914 690 kg Apr. 2013 0
 
SF 25 E Engine max. Take off Specialty Issue Rev.
Limbach 1700 650 kg June 1975 4
Limbach 2000 650 kg Jan. 1990 4

 
Bergfalke Type Specialty Rev.
BF II/55 only operating instruction
BF III 5
BF IV 7
 
Zugvogel Type Specialty Rev.
Zugvogel III B 1
 
SF 26 Type Specialty Rev.
SF 26 A 6