Michael Freiherr von Maltzahn - Experimental Aircraft Builder's Log

Building "Henri"

Builder:	Michael Freiherr Von Maltzahn
Location:	Potomac, MD - USA
Aircraft:	Vans Aircraft - RV-12is
Manufacturer:	http://www.vansaircraft.com/
Engine:	Rotax - 912is
Prop:	Sensenich
Total Build Time:	480 Hours

Welcome to my experimental aircraft web site. This is the build log of my RV-12is. I started my build in Germany in January 2024 and moved to the US in 2025. Therefore, older entries will be in German and include an English translation. Later entries are English only.
Pre-registered as N711VM.

Recent Activity

Date	Hours	Work Log Summary	Details
03-14-2026	3.0	Step 3 + 4	Details


03-14-2026	0.0	Step 2	Details


03-08-2026	4.0	Step 6-8	Details


03-07-2026	1.0	Step 5	Details


03-07-2026	2.0	Step 4	Details


03-07-2026	1.0	Step 2-3	Details


03-07-2026	1.0	Step 1	Details


02-22-2026	0.0	Step 5	Details


02-22-2026	0.0	Step 4	Details


02-22-2026	1.0	Step 1-3	Details

	SITE NAVIGATION

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RV-12is Home

Category		# Logs	# Hours

All		432	480

06 V-Stab/SeitenLW		12	20

07 Rudder/Seitenrdr		13	12

09 Elevator/Höhenrdr		16	27

10 Tailcone		24	29

13 Wing/Tragfläche		2	1

15 Wing/Tragfläche		7	15

16 Wing/Tragfläche		6	9

17 Wing/Tragfläche		35	55

18 Wing/Tragfläche		13	26

20 Bulkhead		5	11

21 Fuselage/Rumpf		99	24

22 Fuselage/Rumpf		9	7

23 Fuselage/Rumpf		9	25

24 Rear Firewall		9	15

25 Seats/Rückenlehne		6	9

26 Fuel Tank		2	6

27 Fuel System		9	8

28 Pedals/Pedale		6	15

29 Upper Fuselage		27	34

32 Flight Controls		22	17

35 Undercarriage		20	22

36 Fairings		35	39

39 Canopy		34	40

40 Light/Licht		11	14

None		1