VP/Constant speed prop on a motor glider
A syndicate at my club have just changed from an RF5b with a manual change 3 position prop to one with an electrical VP prop.
The former had a lever to change to change pitch, RPM varying with the throttle. On the new type, RPM is selected by a rotary knob, and the boost gauge is set to match the RPM with the throttle. Question I have been asked is do they require a log book sign off for a constant speed prop? I know the CAA do not consider the RF5b to be a complex type, thats about the limit of my knowledge. Cheers Ian K |
If this is an Annex II aircraft:
SLMG class rating: (1) Subject to paragraph (2) and to the conditions of the licence in which it is included, a SLMG class rating entitles the holder to act as pilot in command of any SLMG. TMG Class Rating: All Touring Motor Gliders having an integrally mounted, nonretractable engine and a non-retractable propeller. |
Differences training is required for a TMG class rating in accordance with FCL.710:
FCL.710 Class and type ratings – variants (a) In order to extend his/her privileges to another variant of aeroplane within one class or type rating, the pilot shall undertake differences or familiarisation training. In the case of variants within a type rating, the differences or familiarisation training shall include the relevant elements defined in the operational suitability data established in accordance with Part-21. (b) If the variant has not been flown within a period of 2 years following the differences training, further differences training or a proficiency check in that variant shall be required to maintain the privileges, except for types or variants within the single-engine piston and TMG class ratings. (c) The differences training shall be entered in the pilot’s logbook or equivalent record and signed by the instructor as appropriate. For a SLMG class rating in a UK national licence such as the old UK PPL or NPPL, as provided by Whopity above, ANO Schedule 7 Part B Section 2 applies which does not require any differences training. That's not to say it isn't a good idea! ifitaint... |
That is interesting because I based my answer on FCL 700 Table 12 which shows no differences for the TMG but lists all the differences for Aeroplanes SEP in Table 10!
That being said, a VP prop is a VP prop and no additional differences training is mandated between different types of VP Prop. |
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