# TCDS P6NE: Hoffmann GmbH & Co. KG

- Type: Type certificate data sheet
- Status: Current
- Holder: Hoffmann GmbH & Co. KG
- Revision: 2
- Revised: March 12, 2007
- Product: Propeller
- Certification basis: Part 21, Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/5a/c0/5ac0c445f646ecfa4e9f69a31efc589bb016c0e225df8d9fb91b4dc11ffbff34
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/460300476FDCBDC88625729F006C2802.0001
- Page: https://openairdocs.org/tcds/P6NE

## Models (8)

As the data sheet lists them.

- HO 4/23 ( ) HM
- HO 4/23 ( )
- HO 4/14 ( ) HM
- HO 4/27 ( )
- HO 4/27 ( ) HM
- HO 4/14 ( )
- HO 4/50 ( )
- HO 4/50 ( ) HM

## 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 
REV.  2  2   2 
 
 
 
 
U.S. DEPARTMENT OF TRANSPORTATION 
 
FEDERAL AVIATION ADMINISTRATION  
 
TYPE CERTIFICATE DATA SHEET P6NE 
 
 
P6NE 
REVISION NUMBER:  2 
 
HOFFMANN 
MODEL/S:   
HO 4/27 () 
HO 4/27 () HM 
HO 4/23 () 
HO 4/23 () HM 
HO 4/14 () 
HO 4/14 () HM 
HO 4/50 () 
HO 4/50 () HM 
March 12, 2007 
 
Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P6NE) 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 
Hoffmann GmbH & Co.KG 
Kuepferlingstr. 9 
D-83022 Rosenheim 
Federal Republic of Germany 
 
TYPE Single piece, fixed-pitch, four-bladed with metal tipping 
 
MATERIAL 
 
Laminated hard wood 
NUMBER OF BLADES Four 
 
DESIGN SERIES 
 
HO 4/27(), HO 4/27()HM, HO 4/23(), HO 4/23()HM,  
HO 4/14(), HO 4/14()HM, HO 4/50(), HO 4/50()HM 
 
 
MODEL 
(See Note 2) 
TAKEOFF &  
MAX CONT  
SHP      RPM 
 
 
DIA 
 
STD. 
PITCH 
<               HUB DRILLING                > 
NO. OF         DIA. OF            DIA OF 
HOLES          HOLES        BOLT CIRCLE 
HUB DIMENSION 
DIA   THICKNESS 
(MINIMUM) 
APPROX 
WEIGHT 
(LBS)  
HO4/27( )HM 181       2,700 69" 35  -  71"      6               1/2"                        4.75" 7.9"       3.9" 23.0 
H04/27( ) 181       2,700 69" 35  -  71"      6               1/2"                        4.75" 7.9"       3.9" 23.0 
HO4/23( )HM 164       2,700 69" 35  -  71"      6               3/8" or 7/16”           4.75"  7.9"       3.5" 22.0 
HO4/23( ) 164       2,700 69" 35  -  71"      6               7/16" or 3/8”           4.75"  7.9"       3.5" 22.0 
HO4/27( )HM 295       2,575 73" 35  -  71"      6               1/2"                        4.75" 8.5"       4.5" 30.0 
HO4/27( ) 295       2,575 73" 35  -  71"      6               1/2"                        4.75" 8.5"       4.5" 30.0 
HO4/14( )HM 101       2,750 65" 20  -  63"      6               3/8"                        4.3/8" 7.0"       3.5" 15.5 
H04/14( ) 101       2,750 65" 20  -  63"      6               3/8"                        4.3/8" 7.0"       3.5" 15.5 
HO4/50( )HM 213       2,600 73" 24  -  75"      8               7/16"                      6.0" 8.5"       5.0" 30.0 
HO4/50( ) 213       2,600 73" 24  -  75"      8               7/16"                      6.0" 8.5"       5.0" 30.0 
HO4/50( )HM 235       2,575 75" 24  -  75"      8               7/16"                      6.0" 8.5"       4.5" 30.0 
HO4/50( ) 235       2,575 75" 24  -  75"      8               7/16"                      6.0" 8.5"       4.5" 30.0 
HO4/27( )HM 235       2,575 75" 35  -  71"      6               1/2”                       4 3/4" 7.9"       3.9" 30.0 
HO4/27( ) 235       2,575 75" 35  -  71"      6               1/2”                       4 3/4” 7.9"       3.9" 30.0 
HO4/27( )HM 268       2,600 73" 35  -  71"      6               1/2"                       4 3/4”  7.9"       3.5" 30.0 
HO4/27( ) 268       2,600 73" 35  -  71"      6               1/2”                       4 3/4”  7.9"       3.5" 30.0

Page 2  TCDS P6NE 
 
CERTIFICATION BASIS: FAR 21.29, FAR 35 effective February 1, 1965, with Amendments 35-1 to 35-4.   
 
Luftfahrt-Bundesamt (LBA) originally type certificated this propeller under its type 
certificate Number 32.110 / 011. The FAA validated this product under U.S. Type 
Certificate Number P6NE. 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. 32.110 / 011, , September 25, 1980, to issue 5 dated November 22, 
1994 
 
TC APPLICATION DATE: 
 
January 23, 1984 
 
TC ISSUED: May 24, 1984 
 
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 
P6NE) 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.

Page 3  TCDS P6NE 
NOTES 
 
NOTE 1.  INSTALLATION 
 
Installation is to be made with special steel bolts and with/without spacers as required which are either furnished or specified by 
the propeller manufacturer. 
 
 
NOTE 2:  MODEL DESIGNATION: 
 
Blank = righthand, tractor
D = righthand, pusher
Pitch at 0.75 radius measured in cm
Basic model = Hoffmann
HO  4  /   27( )   ( )  -170 ( )   128   ( ) 
L = lefthand, tractor
LD = lefthand, pusher
Pitch at 0.75 radius measured
Blank = normal blade
S = narrow blade
B = wide blade
Propeller diameter in cm
Blank = hardwood 
HM= hardwood fibre reinforced plastic covering(glass fibre, carbon fibre, kevlar,  
Key number for hub connection (according to list of manufacturer)
Number of blades 
every 50 hours or less, a torque moment check of attaching bolts
is required as specified by the propeller manufacturer. 
                                         - -E N D- -
NOTE 3:
After first flight, after the first 25 hours and then
or hybrid)
  
 
NOTE 3. 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. 
 
END
```

## ADs (1, in force first)

- [AD 2000-04-10](https://openairdocs.org/ad/2000-04-10): Propeller Mounting Bolts · Hoffmann HO 27 HM, HO 4/27 ( ) and HO 4/27 ( ) HM. Effective Mar 9, 2000

## STCs approved under this data sheet (1)

- [STC SP01222WI](https://openairdocs.org/stc/SP01222WI): Installation of Aircraft Development propeller vortelators.. Aircraft Development Co

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