# TCDS P19NE: MT-Propeller Entwicklung GmbH

- Type: Type certificate data sheet
- Status: Current
- Holder: MT-Propeller Entwicklung GmbH
- Revision: 8
- Revised: July 8, 2021
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/8c/e2/8ce22f5a76a210fed382a6b10c613b6bd1adc02cef384a6b8986a5904d8a9989
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/65F15764601662218625870C00615523.0001
- Page: https://openairdocs.org/tcds/P19NE

## Models (1)

As the data sheet lists them.

- MTV-6-( )

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page 1 2 3 4 5 6 7 
Rev 7 7 7 7 8 6 6 
 
 
U.S. DEPARTMENT OF TRANSPORTATION 
 
FEDERAL AVIATION ADMINISTRATION  
 
TYPE CERTIFICATE DATA SHEET P19NE 
TCDS NUMBER P19NE 
REVISION:  8 
 
MT-PROPELLER COMPANY 
MODEL:  MTV-6-( ) 
 
DATE:  July 8, 2021  
 
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P19NE) 
and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in 
certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal Aviation 
Regulations provided they are installed, operated, and maintained as prescribed by the approved manufacturer's 
manuals and other approved instructions.   
 
TYPE CERTIFICATE HOLDER MT -Propeller Entwicklung GmbH 
Flugplatzstrasse 1 
D-94348 Atting 
Germany 
 
TYPE Hydraulic constant speed propeller (See Note 3) 
 
ENGINE SHAFT See Note 1 of this TCDS 
 
HUB MATERIAL Aluminum alloy 
 
BLADE MATERIAL Laminated wood composite structure, composite fiber cover, with leading edge and 
erosion protection 
 
HUBS See Note 1 of this TCDS 
 
UMBER OF BLADES 3 (three) 
 
DESIGN SERIES MTV-6-A, -C, -D, -F, -P, -R 
 
HUB- 
TYPE 
MTV-6 
See Note 1 
 
 
BLADES 
See Notes  
2 & 6 
MAXIMUM 
CONTINUOUS 
 
<TAKE OFF> 
NOMINAL  
DIAMETER 
 
          Max                Min 
BLADE 
TWIST 
*) 
APPROXI- 
MATE 
WEIGHT 
**), ***) 
 HP(kW) RPM HP (kW) RPM inch cm inch cm Min Max lbs.  kg 
  
 
     -3 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
     -4 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
     -5 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14

P19NE Page 2 of 7 
  
 
     -6 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
     -7 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
     -8 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
    
 
     -9 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -12 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
     -16 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -23 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -28 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -31 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -49 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14

P19NE Page 3 of 7 
  
 
    -51 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -64 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -69 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -80 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
    -81 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -106 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -112 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -122 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -123 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -125 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14

P19NE Page 4 of 7 
  
 
   -129 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
  
 
   -312 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
160 (120) 
180 (134) 
135 (101) 
153 (114) 
177 (132) 
2800 
2700 
2500 
2300 
2300 
69 
63 
75 
75 
80 
175 
160 
190 
190 
203 
55 
55 
55 
55 
55 
140 
140 
140 
140 
140 
5 
5 
5 
5 
5 
50 
50 
50 
50 
50 
30.9 
30.9 
30.9 
30.9 
30.9 
14 
14 
14 
14 
14 
 
*)     The limits of the blade twist are defined between .20 and 1.00 blade radius. 
**)    Propellers with the option “Feather” are 7.7 lbs. (3.5 kg) heavier. 
***)  Propellers with the option “Feather and Reverse” are 9.9 lbs. (4.5 kg) heavier. 
 
 
CERTIFICATION BASIS The U.S. certif ication basis determined under Section 21.29 of the FAR and Bilateral 
Airworthiness Agreement between the United States and the Federal Republic of Germany is 
FAR 35, effective February 1, 1965, Amendments 35-1 to 35-7, inclusive. 
 
European Aviation Safety Agency (EASA) type certificated this propeller under type 
certificate EASA P.094. The FAA validated this product under U.S. Type Certificate Number 
P19NE. Effective September 28, 2003, the European Aviation Safety Agency (EASA) began 
oversight of this product on behalf of the Federal Republic of Germany. 
 
TC (IMPORT) NO. LBA-Data Sheet No. 32.130/57, EA SA Type Certificate P.094 since March 14, 2007 
 
TC APPLICATION DATE 10/21/88  
 
TC ISSUED 10/22/89, Revised 08/15/00,  10/15/03, 07/12/05, 03/02/07, 06/19/07  
 
IMPORT REQUIREMENTS To be considered eligible for installation on U.S. registered aircraft, each propeller to be 
exported to the United States shall be accompanied by a Certificate of Airworthiness for 
export endorsed by the LBA on behalf of the European Community which contains the 
following language: 
 
(1)  This propeller conforms to its United States type design (Type Certificate number 
P19NE) and is in a condition for safe operation. 
 
(2)  This propeller has been subjected by the manufacturer to a final operational check and is 
in a proper state of airworthiness.  Reference FAR Section 21.500 which provides for the 
airworthiness acceptance of aircraft engines or propellers manufactured outside the U.S. for 
which a U.S. type certificate has been issued.  Additional guidance is contained in FAA 
Advisory Circular 21-23, Airworthiness Certification of Civil Aircraft, Engines, Propellers, 
and Related Products, Imported into the United States.

P19NE Page 5 of 7 
NOTES 
 
NOTE 1:        HUB MODEL DESIGNATION 
 
MT V - 6 - F - (  ) - (  ) - (  ) - (  ) - (  )   
                   Small letter: modifications which do not affecting 
interchangeability 
Capital letter: modifications which restrict or 
exclude interchangeability 
                    
                    
Information about reverse system 
M: System Mühlbauer 
                    
Information about reverse 
Blank: no reverse possible 
R: reverse system installed 
                    
Information about feathering 
Blank: no feathering possible 
F: feathering system installed 
                    
Letter designating counterweights: 
Blank: None or small counterweights for pitch 
change moments towards low pitch 
C: Counterweights for pitch change moments 
towards high pitch 
                    
Engine Shaft (Flange Type) * 
                    
Number of basic model 
                    
Variable pitch propeller 
                    
MT-Propeller Entwicklung GmbH 
                    
*Engine shaft (Flange type) 
A = Bolt circle diameter = 80 mm, 7/16” mounting bolts 
C = AS-127-D, SAE No, 2 mod., 7/16” mounting bolts 
D = ARP 502, Type 1 
F = AS-127D, SAE No. 1 mod, 3/8” mounting bolts 
P = Identical to D-Flange except without dowels and uses pilot bore of A-Flange for centering 
R = Identical to A-Flange except uses 1/2" mounting bolts

P19NE Page 6 of 7 
NOTE 2:  BLADE MODEL DESIGNATION 
 
(  ) (  ) 170 - 09 - (  )   
           Small letter: modifications which do not affecting 
interchangeability of blade sets 
Capital letter: modifications which restrict or exclude 
interchangeability of blade sets 
            
            
Number of blade design, contains construction and aerodynamic 
data 
            
Propeller diameter in cm 
            
Sense of rotation (viewed in flight direction) 
     Blank: righthand tractor 
     RD: righthand pusher 
     L: lefthand tractor 
     LD: lefthand pusher 
            
Position of pitch change pin 
Blank:  Position for pitch change forces to decrease pitch 
C:  Position for pitch change forces to increase pitch 
CR:  Position for reverse (pitch change forces to increase pitch) 
CF:  Position for feather (pitch change forces to increase pitch) 
CFR:  Position for feather and reverse (pitch change forces to 
increase pitch) 
            
 
NOTE 3: Pitch Control:  Pitch cont rol is accomplished by a standard governor or by the MT-Propeller 
Hydraulic Propeller Governor Installation, P-480-( ) or P-9( ) ( )-( ) for the reversing option –
R(M).  Applicable standard governors are published in the FAA-approved list MT-Propeller 
Service Bulletin No. 14.  The P-480-( ) or P-9( ) ( )-( ) is a single acting pump governor, but 
dual pressure system design enables the hydraulically variable pitch MT-propellers to operate 
with reverse capability.  The P-480-( ) or P-9( ) ( )-( ) governor also incorporates feathering 
capability.  Time Between Overhauls (TBO) for the P-480-( ) or P-9( ) ( )-( ) governor is 
published in MT-Propeller Service Bulletin No. 1( ). 
 
NOTE 4: (a)  Feathering:  Model incorporates feathering and unfeathering features by means of 
counterweights and springs with governor operation of P-480-( ) or P-9( ) ( )-( ) governor. 
(b)  Reversing:  Model incorporate reversing feature by P-480-( ) or P-9( ) ( )-( ) with 
additional functions. 
 
NOTE 5: Right & Left Hand Models:  A version of  the approved model with opposite hand rotation is 
approved at the same rating and diameter limitations. 
 
NOTE 6: Interchangeability:  See NOTE 1 and NOTE 2.

P19NE Page 7 of 7 
NOTE 7: Accessories:   
(a)  Propeller Spinners:  According to FAA-approved list published in MT-Propeller Service 
Bulletin No. 13. 
(b)  Propeller Governors:  According to FAA-approved list published in MT-Propeller 
Service Bulletin No. 14. 
(c)  Deicing Systems:  According to FAA-approved list published in MT-Propeller Service 
Bulletin No. 15. 
 
NOTE 8: Shank Fairings:  Not applicable. 
 
NOTE 9: Special Limits:  Not applicable. 
 
NOTE 10: Special Notes:   
(a)  Aircraft installations must be approved as part of the aircraft type certificate and 
demonstrate compliance with the applicable aircraft airworthiness requirements. 
(b)  All MTV-6 propellers are to be operated within the limits of MT-Propeller Operation and 
Installation Manual No. E-124 for non reversible propeller and, E-504 for reversible 
propeller, and adhere to the TBO-limits shown in MT-Propeller Service Bulletin No. 1( ). 
(c)  Propeller Maintenance, on overhaul, and airworthiness limitations shall be accomplished 
in accordance with MT-Propeller Overhaul Manual E-220 for non reversible propeller and E-
519 for reversible propeller, latest revision. 
 
NOTE 11: Service Information: 
Each of the documents listed below must state that it is approved by the European Aviation 
Safety Agency (EASA) or – for approvals made before September 28, 2003 – by the LBA.  
Any such documents are accepted by the FAA and are considered FAA approved.  
   • Service bulletins,  
   • Structural repair manuals,  
   • Vendor manuals,  
   • Aircraft flight manuals, and  
   • Overhaul and maintenance manuals. 
 
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```

## ADs (2, in force first)

- [AD 2007-26-13](https://openairdocs.org/ad/2007-26-13): Propeller blades · MT-Propeller Entwicklung MT( )( )( )-1( ), MT( )( )( )-2( ), MT( )( )( )-3( ) and 27 more. Effective Jan 31, 2008
- [AD 2006-05-05](https://openairdocs.org/ad/2006-05-05) (historical): Propeller blades · MT-Propeller Entwicklung MTV-1-( ), MTV-12-B, MTV-12-C and 17 more. Effective Apr 10, 2006

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