| 75/168/2 | 206-1 | Reinforcement of guide plates on elevator actuating bracket, up to and incl. SN107 | Before 29/2/1976 | German | |
| 206-2 | Improvement of shear web, SN 22, 23, 25 and up | | German | English |
| 206-3 | Lower wing shell without hard core foam, Production improvement, SN 27 and up | | German | English |
| 206-4 | Reduced travel of rudder pedals, SN 78 and up, optional | | German | |
| 206-5 | Single-piece canopy as used on "Mosquito", optional | | German | |
| 206-6 | Modified airbrake drive mechanism, SN 89 only | | German | |
| 206-7 | Use of wings originating from "Club Libelle" to "Hornet" fuselage, SN 89 only (operational limits of Club Libelle ) | | German | |
| 206-8 | Lead ballast compartment in nose bulkhead, optional | | German | English |
| 80-221 | 206-9 | Aileron ballance mass, Hornet C all SN | | German | English |
| 206-10 | Deviation of Netherland registered sailplanes from German TCDS | Annual Inspection | German | |
| 84-11 | 206-11 | Possible damage of wing structure with water ballast bags installed. Revision of flight manual | Before 30/4/1984 | German | English |
| 88-28 | 206-12 | Elevator drive bracket: replacement or reinforcement | Before 30/4/1988 | German | English |
| 8-280/2 | 206-13 | Extension of service life limit to 6000 hours | Before 31/5/89 or when reaching 3000h | German | English |
| 206-14 | Elevator drive bracket: Possibility of replacement by elevator drive bracket acc. to drawing No. 201-33-4 | | German | English |
| 206-15 | Tow releases: Optional use of model E85 instead of E72/E75 | | German | English |
| 91-111 | 206-16 | Inspection of canopy lifting / tilting mechanism | Annual Inspection | German | English |
| 96-132 | 206-17 | Inspection of glass fiber laminate on spar stub fitting | Annual Inspection | German | English |
| 97-311 | 206-18 | Weights and moments of control surfaces, Hornet C only, all SN | Before 31/8/1998 | German | English |
| 97-311/2 | 206-19 | Change of weights and moments of control surfaces, Hornet C only, all SN | Before 30/11/1999 | German | English |
| 206-20 | Optional installation of winglets (Hornet only) | | German | English |
| 2003-003 | 206-21 | Replacement of aft rudder gimbal drive- rear actuator arm | Before 31/3/2003 | German | English |
| 206-22 | Single-piece up-tilting canopy with "Roeger-Hook" Hornet SN 54 only | | | |
| 206-23 | Extension of service life limit to 12000 hours | Before 31/3/2006 or when reaching 6000h | German | English |
| 206-23 | Manual | | German | English |
| 206-24 | Installation of Mode-S-Transponder and Transponder Antennas | | German | English |
| 206-25 | Spar stub fitting replacement, standardisation of fittings | | | English |
| EASA AD 2011-213 | 206-26 | Inspection/replacement of elevator control rod in vertical fin | 30 days/before 31/12/2012 | German | English |
| 206-27 | Optional Installation of backrest with integrated headrest | | German | English |
| 2018-0143-E | 5-2018 | Deflector-angles at the C.G. release. Usage of connection ring pair meeting LN 65091 | Annual Inspection | German | English |
| 206-28 | Installation of new winglets optional | | German | English |
