# TCDS P-170: Sensenich Propeller Company

- Type: Type certificate data sheet
- Status: Current
- Holder: Sensenich Propeller Company
- Revision: 30
- Revised: August 28, 2023
- Product: Propeller
- Certification basis: Part 35, CAR 14
- Data sheet PDF: https://openairdocs.org/files/sha256/01/9f/019fbf85c654008d46b68789a85c50c1255e2a89e9b679b88e2549c4fb3c1099
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124706474420231019144849.0001
- Page: https://openairdocs.org/tcds/P-170

## Models (113)

As the data sheet lists them.

- W72L
- W102
- W73FM
- W74FM
- W70A
- W86C
- W72KZL
- W86B
- W86R
- W76CK
- W76D
- W80R
- W74FD
- W82RS
- W86AB
- W71T5HZ
- W70DK
- W70D
- W76JB
- W72T2FK
- W78LY
- W98AB
- W68T6EM
- W70AB
- W85RW
- W70F
- W76L
- W76RK
- W90T6JB
- W58LKL
- W90HASP
- W60MY
- W74FK
- W74FE
- W63AB
- W74CF
- W72T2FM
- W74FDS
- W82R
- W73BR
- W90BA
- W76B
- W65CK
- W74B
- W98C
- W86RA
- W72C
- W60GM
- W92HA
- W72F
- W96JB
- W76C
- W90BAL
- W98AA
- W76KZ
- W72GA
- W76HZ
- W90DH
- W74RR
- W46FNL
- W76JA
- W72CK
- W69C
- W78R
- W73FG
- W85RB
- W72GK
- W72T2FC
- W755CF
- W80W
- W76KY
- W96JA
- W102A
- W72GKL
- W74FCT
- W74FC
- W46FN
- W86BS
- W70AK
- W70LY
- W86BAS
- W70AF
- W74FKT
- W80EY
- W90H
- W86CA
- W73BE
- W72DF
- W90D
- W82RA
- W100CC
- W73BG
- W69J
- W90T6JA
- W100CD
- W92H
- W90HA
- W79CFL
- W90JA
- W69A
- W74LN
- W90HAK
- W76JR
- W86RB
- W76RM
- W86CB
- W70L
- W90DA
- W90LA
- All Wood Propellers (Active)
- W98AC
- W70DF
- W66CB

## 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 No. 1 2 3 4 
Rev. No. 30 30 30 30 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 P-170
Revision 30 
Sensenich 
All Wood Propellers 
(Active) 
August 28, 2023 
TYPE CERTIFICATE DATA SHEET NO. P-170 
Propellers of models described herein, conforming with this data sheet 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 
Type 
Material 
No. of blades 
Sensenich Propeller Company 
Plant City, FL  33563 
Fixed pitch wood 
Laminated birch/maple with fabric and metal tipping; or with synthetic leading edge 
Two 
Model Type 
Maximum 
Continuous* Diameter Standard Hub Drilling Hub Dimensions Weight See 
(See 
Note 2) 
Cert. HP RPM Pitch No. 
Hole
s 
Dia. 
Holes 
Dia. 
Bolt 
Circle 
Dia. Thick- 
ness 
(lbs.) Notes 
W46FN P34EA 45 4000** 46 3/16" 36"-24" 6 25/64" 3" 4-1/2" 2-1/4" 3.6 1,2a 
W46FNL P34EA 45 4000** 46 3/16" 36"-24" 6 25/64" 3" 4-1/2" 2-1/4" 3.6 1,2a,g 
W58LKL P62GL 100 2750 58" 73"-65" 6 25/64" 4-3/8" 6-1/8" 4-1/2" 8.5 1,2a,g 
W60GM P38EA 60 3200 60" 40"-30" 6 25/64" 4-3/4" 6-1/2" 3-1/2" 8.5 1,2a 
W60MY 765 65 2550 60" 54"-44" 6 25/64" 4-3/8" 6" 3-1/4" 10 1,2a 
W63AB 731 75 3100 63” 48"-38" 6 25/64" 4-3/8" 6" 3-1/4" 7 1,2a 
W65CK 765 65 2300 65” 65"-54" 6 25/64" 4-3/8" 6-1/8" 3-3/8" 10 1,2a 
W66CB 765 75 3100 66” 57"-38" 6 25/64" 4-3/8" 6" 3-1/4" 10 1,2a 
W68T6EM P33NE 132 2800** 68” 76"-56" 6 25/64" 4-3/4" 6-1/8" 3-7/8" 10.75 1,2a,e 
W69A 666 45 2575 69” 36"-28" 6 25/64" 5” 6-3/8" 2-1/2" 8 1,2a 
W69C 537 40 2575 69” 26"-23" 6 25/64" 4” 5-3/8" 3-1/4" 9 1,2a,c 
W69J 564 40 2575 69” 28”-26” 6 25/64" 4” 5-3/8" 3-1/4" 9 1,2a,c 
W70A 734 85 2700 70” 56”-52” 6 25/64" 4-3/8" 6-1/8" 3-3/8" 9 1,2a 
W70AB 734 90 2500 70” 56"-46" 6 25/64" 4" 6-1/8" 4" 9 1,2a 
W70AF 734 80 2650 70” 56"-46" 6 25/64" 4" 6-1/8" 3-1/4" 8 1,2a 
W70AK 734 85 2575 70” 56"-50" 6 25/64" 4-3/8” 6-1/8" 3-3/8" 8 1,2a 
W70D 734 80 2700 70” 46”-38” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 9 1,2a 
W70DF 734 80 2500 70” 50”-44” 6 25/64" 4” 6-1/8" 3-1/4" 9 1,2a 
W70DK 734 80 2700 70” 46”-38” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 9 1,2a 
W70F 679 60 2400 70” 47”-43” 6 25/64" 4” 6" 3-1/4" 9 1,2a,b 
W70L 679 55 2300 70” 47”-41” 6 25/64" 4-3/8” 6" 3-1/4" 9 1,2a,b 
W70LY 718 65 2550 70” 40”-32” 6 25/64" 4-3/8” 6-1/8" 3-1/4" 9 1,2a 
W71T5HZ P62GL 200 2700** 71” 70”-53” 6 33/64” 5-1/2” 8” 3-5/8” 12 1,2a,e,f 
W72C 691 65 2350 72” 50”-40” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 10 1,2a 
W72CK 691 65 2350 72” 50”-40” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 10 1,2a 
W72DF 734 90 2500 72” 55”-48” 6 25/64" 4” 6-1/8" 4" 9 1,2a 
W72F 691 65 2350 72” 50”-40” 6 25/64" 4” 6-1/8" 3-1/4" 10 1,2a 
W72GA 782 85 2650 72” 54”-46” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 10 1,2a

P-170 2 
Model Type 
Maximum 
Continuous* Diameter Standard Hub Drilling Hub Dimensions Weight See 
(See 
Note 2) 
Cert. HP RPM Pitch No. 
Holes 
Dia. 
Holes 
Dia. 
Bolt 
Circle 
Dia. Thick- 
ness 
(lbs.) Notes 
W72GK 782 85 2650 72” 54”-44” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 10 1,2a 
W72GK 782 90 2600 72” 54”-44” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 10 1,2a 
W72GKL 782 85 2650 72" 54"-44" 6 25/64" 4-3/8" 6-1/8" 3-3/8" 10 1,2a,g 
W72GKL 782 90 2600 72" 54"-44" 6 25/64" 4-3/8" 6-1/8" 3-3/8" 10 1,2a,g 
W72L 678 50 2600 72” 51”-31” 6 25/64” 4-5/8” 6-1/8” 3-1/2” 10 1,2a 
W72T2FC 765 90 2600 72” 49”-43” 6 25/64" 4-3/8” 6-1/8" 3-3/8" 11 1,2a,,j 
W72T2FK 765 90 2600 72” 49”-43” 8 25/64" 4-3/8” 6-1/8" 3-3/8" 11 1,2a,,j 
W72T2FM 765 135 2600 72” 57”-37” 6 25/64" 4-3/4” 6-1/2" 3-1/2" 11 1,2a,,j 
W72KZL P29NE 180 2700** 72” 56”-46” 6 33/64" 4-3/4” 6-3/4" 3-5/8" 12.4 1,2a,g 
W73BE 838 125 2550 73” 60”-50” 8 29/64" 5-1/4” 7-1/2" 4-1/8" 14 1,2a 
W73BG 838 125 2550 73” 60”-50” 8 25/64" 5-1/4” 7-1/2" 4" 14 1,2a 
W73BR 838 145 2700 73” 60”-40” 8 25/64" 5-1/4” 7-1/2" 4" 14 1,2a 
W73FG 766 165 2850 73” 48”-38” 8 25/64” 5-1/4” 7” 4-1/4” 14 1,2a 
W73FM 765 125 2600 73” 60”-40” 6 25/64" 4-3/4” 6-1/2" 3-1/2" 11 1,2a 
W74B 689 90 2250 74” 58” 6 29/64" 4-5/8” 6-7/8" 4" 14 1,2a 
W74CF 766 120 2600 74” 60”-53” 8 29/64" 5” 7-1/4” 4” 12 1,2a 
W74FC 765 90 2600 74” 49”-43” 6 25/64" 4-3/8” 6-1/8” 3-3/8” 11 1,2a,,j 
W74FCT 765 85 2575 74” 49”-43” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 12 1,2a 
W74FD 765 90 2600 74” 49”-43” 6 25/64” 4” 6-1/8” 4” 11 1,2a,,j 
W74FDS 765 90 2500 74” 49”-43” 6 25/64” 4” 9-1/2” 4” 13 1,2a,h,,j 
W74FE 765 104 2600 74” 49”-37” 6 25/64” 4-3/4” 6-1/2” 4” 11 1,2a,,j 
W74FK 765 90 2600 74” 49”-43” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 11 1,2a,,j 
W74FKT 765 85 2575 74” 49”-43” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 12 1,2a 
W74FM 765 135 2600 74” 57”-37” 6 25/64” 4-3/4” 6-1/2” 3-1/2” 11 1,2a,,j 
W74RR 789 165 2800 74” 70”-59” 8 25/64” 5-1/4” 7” 4” 13 1,2a 
W74LN 538 95 2200 74” 70”-50” 6 29/64” 4-5/8” 6-7/8” 4-1/4” 8 1,2a 
W76B 667 50 1900 76” 53”-47” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 13 1,2a,b 
W76C 692 65 2350 76” 48”-38” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 10 1,2a 
W76CK 692 95 2600 76” 48”-34” 6 25/64” 4-3/8” 6-1/8” 3-3/8” 10 1,2a 
W76D 711 90 2375 76” 57”-53” 6 29/64” 4-5/8” 6-7/8” 4” 14 1,2a 
W76HZ P62GL 200 2700** 76” 68”-56” 6 33/64” 5-1/2” 8” 3-5/8” 13.5 1,2a,e,f 
W76JA 766 150 2600 76” 61”-54” 8 25/64” 5” 7” 4” 15 1,2a 
W76JB 766 125 2600 76” 61”-40” 8 25/64” 5-1/4” 7” 4” 15 1,2a 
W76JR 766 165 2800 76” 61”-41” 8 25/64” 5-1/4” 7” 4” 15 1,2a 
W76KY P62GL 200 2700** 76” 68”-56” 6 33/64” 5-1/2” 8” 4-3/4” 16 1,2a,e 
W76KZ P62GL 200 2700** 76” 68”-56” 6 33/64” 5-1/2” 8” 4-3/4” 16 1,2a,e,f 
W76L 738 75 2015 76” 60”-46” 6 25/64” 4-3/4” 6-1/8” 3-1/2” 11 1,2a 
W76RK 834 85 2550 76” 47”-37” 6 25/64” 4-3/8” 6-1/2” 3-3/8” 11 1,2a 
W76RM 834 110 2600 76” 47”-37” 6 25/64” 4-3/4” 6-1/2” 3-1/2” 11 1,2a 
W78LY 538 75 2015 78” 56”-48” 6 25/64” 4-3/4” 6-1/2” 3-1/2” 12 1,2a 
W78R 538 120 2225 78” 59”-50” 6 29/64” 4-5/8” 7-3/8” 4” 13 1,2a 
W79CFL P42EA 130 2350 79” 68”-60” 8 25/64” 4-23/32” 8.2” 3-23/32” 15 1,2a,g 
W80EY 865 185 2300 80” 88”-76” 8 29/64” 6” 8” 5” 20 1,2a 
W80R 538 150 2260 80” 73”-69” 8 25/64” 5-1/4” 7” 4-3/8” 13 1,2a,b 
W80W 547 90 2025 80” 49” 8 25/64” 5-1/4” 7” 4” 14 1,2a 
W82R 538 145 2050 82” 83”-77” 8 25/64” 5-1/4” 7-3/4” 4” 14 1,2a 
W82RA 538 165 2100 82” 83”-68” 8 25/64” 5-1/4” 7-3/4” 4-1/8” 13 1,2a 
W82RS 538 200 2450 82” 72”-66” 8 25/64” 5-1/4” 12-1/8” 4-1/8” 17 1,2a,d,h 
W85RB 586 190 2550 85” 61”-50” 6 25/64” 6-3/16” 8” 4-1/8” 19 1,2a 
W85RW 586 190 2550 85” 61”-50” 8 25/64” 5-1/4” 8” 4-1/8” 19 1,2a 
W86AB 586 200 2450 86” 60”-50” 6 25/64” 6-3/16” 8” 4-1/8” 19 1,2a 
W86B 586 200 2450 86” 63”-51” 8 25/64” 5-1/4” 12-1/4” 4-3/8” 20 1,2a,b,h 
W86BAS 586 200 2450 86” 63”-51” 8 25/64” 5-1/4” 12-1/4” 4-3/8” 20 1,2a,h 
W86BS 586 Identical to 86B, except incorporates “S” in model designation.

3 P-170
Model Type 
Maximum 
Continuous* Diameter Standard Hub Drilling Hub Dimensions Weight See 
(See 
Note 2) 
Cert. HP RPM Pitch No. 
Hole
s 
Dia. 
Holes 
Dia. 
Bolt 
Circle 
Dia. Thick- 
ness 
(lbs.) Notes 
W86C 654 145 2050 86” 70”-61” 8 25/64” 5-1/4” 8” 4” 19 1,2a,b 
W86CA 654 200 2450 86” 70”-63” 8 25/64” 5-1/4” 8” 4-1/8” 19 1,2a,b 
W86CB 654 200 2450 86” 70”-61” 6 25/64” 6-3/16” 8” 4-1/8” 19 1,2a 
W86R 586 200 2450 86” 62”-50” 8 25/64” 5-1/4” 8” 4-1/8” 19 1,2a 
W86RA 586 200 2450 86” 62”-50” 8 29/64” 7” 9-1/4” 6” 26 1,2a 
W86RB 586 200 2450 86” 62”-50” 6 25/64” 6-3/16” 8” 4-1/8” 19 1,2a 
W90BA 517 145 2050 90” 61”-45” 8 25/64” 5-1/4” 7-3/8” 4” 19 1,2a 
W90BAL 517 145 2050 90” 61”-45” 8 25/64” 5-1/4” 7-3/8” 4” 19 1,2a,g 
W90D 586 160 1975 90” 82”-64” 8 25/64” 5-1/4” 7-3/8” 4” 19 1,2a 
W90D 586 160 1975 90” 82”-64” 8 29/64” 5-1/4” 7-3/8” 4” 19 1,2a 
W90DA 586 160 1975 90” 82”-64” 8 25/64” 5-1/4” 7-3/8” 4” 19 1,2a 
W90DH 586 160 1975 90” 82”-64” 8 29/64” 5-1/4” 7-3/8” 4” 19 1,2a 
W90H 586 160 1850 90”-80” 82”-64” 8 29/64” 6-1/4” 9” 4-1/4” 19 1,2a 
W90HA 586 160 1850 90” 90”-80” 8 29/64” 7” 9” 5-1/4” 26 1,2a 
W90HAK 586 160 1850 90” 90”-80” 8 29/64” 7” 9” 6” 26 1,2a 
W90HASP 586 160 1850 90” 90”-80” 8 29/64” 7” 17-7/8” 5.25” 26 1,2a,i 
W90JA 811 225 2000 90” 83”-79” 8 29/64” 7” 9-1/4” 6” 27 1,2a 
W90LA 546 220 2075 90” 80”-76” 8 29/64” 7” 9-1/4” 6” 26 1,2a 
W90T6JA P43EA 275 2200 90” 72”-60” 8 29/64” 7” 9-1/4” 6” 32 1,2a,d 
W90T6JB P43EA 275 2200 90” 72”-60” 8 21/32” 6-11/16” 9-1/4” 6” 32 1,2a,d 
W92H 586 160 1850 92” 77”-70” 8 29/64” 6-1/4” 9” 4” 25 1,2a 
W92HA 586 160 1850 92” 77”-70” 8 29/64” 7” 9” 5-1/4” 25 1,2a 
W96JA P43EA 240 2100 96” 66”-54” 8 29/64” 7” 9-1/4” 6” 34 1,2a,d 
W96JB P43EA 240 2100 96” 66”-54” 8 21/32” 6-11/16” 9-1/4” 6” 34 1,2a,d 
W98AA 546 225 2100 98” 68”-62” 8 29/64” 7” 9-1/4 6” 31 1,2a 
W98AB 546 225 2100 98” 68”-62” 8 21/32” 6-11/16” 9-1/4” 6” 31 1,2a 
W98AC 546 225 2100 98” 68”-62” 8 33/64” 6-11/16” 9-1/4” 6” 31 1,2a 
W98C 586 225 2100 98” 70”-64” 8 33/64” 6.693” 9-1/4” 6” 28 1,2a 
W100CC 546 225 2100 100” 67”-58” 8 33/64” 6.693” 9-1/4 6” 31 1,2a 
W100CD 546 225 2100 100” 67”-58” 8 33/64” 6.693” 9-1/4” 6” 31 1,2a 
W102 450 102 1400 102” 59” 8 25/64” 5-1/4” 7-1/8” 4” 21 1,2a 
W102A 464 102 1400 102” 65” 8 25/64” 5-1/4” 7-1/8” 4” 21 1,2a 
W755CF 463 63 2125 75-1/2” 36” 6 25/64” 4-23/32” 6-1/4” 4” 11 1,2a 
*Takeoff rating is ten percent in excess of maximum continuous rating.
**Takeoff rating is same as maximum continuous rating.
Certification basis Civil Air Regulations Part 14 
Federal Aviation Regulations Part 35 effective February 1, 1965, (pertains to all wood 
models certificated after September 1, 1969) 
Production basis Production Certificate No.  335CE 
NOTE 1. Installation. Installation is to be made in accordance with AC No. 43.13-1B, Chapter 8, Section 5. 
Installation of wood propellers on flanged crankshafts must include a front plate of 
approximately the same area and thickness as the flange and AN bolts conforming to MIL-
B-6812. 
Installations which include a flange adapter (see NOTE 2.) must also be accomplished in 
accordance with instructions provided by Sensenich Wood Propeller Company. 
The W68T6EM propeller is eligible for installation with spool spacers up to a maximum 
length of 6 inches.

P-170 4 
NOTE 2.  Model Designation . 
Model Designation  
W  76 HZ  10M8  - 79 
Designates design change  
(a) Denotes P itch in inches at .75 radius station.
(b) Dash number 1, 2, or 3 after basic model on serial
numbers below 16,000 refers to difference in pitch,
not in inches.
(c) Some of the ea rly propellers of this model are not
marked with pitch in inches. These propellers are
eligible provided the pitch corresponds to the
following approved values:
Early Marking  Corresponding Pitch  Current Marking  
69 C  23"  69C -23  
 69J  28"  69J -28  
(d) Eligible with or without fabric tipping.
(e) Eligible with synthetic leading edge in place of
metal tipping.
(f)  When "Letter -Numbe r-Letter" combinat ion appears 
in basic model designation, indicates a flange adapter 
is included.  
Interior number (i.e. "10") indicates equivalent spacer 
length in 1/4 inch units (less than or equal to 3 
inches, equals 12 /4).  
(g) "L"  designates left hand rotation.
(h) "S"  designates integral wood spinner.
(i)   "SP" designates integral plywood spinner.
(j)  Propeller model W74F( ) -49, beginning with
S/N Y7906 is equivalent to and
interchangeable with mode l W74F( ) -52
prope llers up to S/N Y7905.
Designates design features  
Basic diameter in inches  
Wood aircraft propellers shipped after April 25, 1968 
include "W" prefix.  
NOTES 3, 4, 5, 6, 7, 8, and 9. not applicable 
...END...
```

## ADs

None name its models.

## 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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