# STC SA20GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc.
- Description: Installation of Woodward Type II electronic propeller synchronizer or synchrophaser system. (G-44A MODIFIED COLEMILL - STC 2-13) (500-A modified - Colemill STC SA340SO)
- Status date: April 30, 2007
- Data sheets: A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A11EU, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, A25CE, A2CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A6CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A-734, A-734, A31EU, A31EU, A31EU, 1A10, 1A10, A23SO, A7SO, A23EU, A23EU, A23EU, A23EU, A23EU, A23EU, 6A1, 6A1, 6A1, 6A1, A12SW
- Certificate PDF: https://openairdocs.org/files/sha256/a2/c0/a2c0a4f2447a1199d5ba7ac2d2721e2f3cbac144c02bbc8e060c29b6b374ab4b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/82DF787CD5AC5F98862572D40047963D.0001
- Page: https://openairdocs.org/stc/SA20GL

## ADs that name it

None.

## Approved models (93)

- B-N Group Ltd. BN-2 (TCDS A17EU)
- B-N Group Ltd. BN-2A (TCDS A17EU)
- B-N Group Ltd. BN-2A-2 (TCDS A17EU)
- B-N Group Ltd. BN-2A-20 (TCDS A17EU)
- B-N Group Ltd. BN-2A-21 (TCDS A17EU)
- B-N Group Ltd. BN-2A-26 (TCDS A17EU)
- B-N Group Ltd. BN-2A-27 (TCDS A17EU)
- B-N Group Ltd. BN-2A-3 (TCDS A17EU)
- B-N Group Ltd. BN-2A-6 (TCDS A17EU)
- B-N Group Ltd. BN-2A-8 (TCDS A17EU)
- B-N Group Ltd. BN-2A-9 (TCDS A17EU)
- British Aerospace (Scotland) B.206 Series 2 (TCDS A11EU)
- Gulfstream Aerospace Corporation G-44 Series (TCDS A-734)
- Gulfstream Aerospace Corporation G-44A (TCDS A-734)
- Partenavia Costruzioni Aeronauticas S.p.A. P68 TC "Observer" (TCDS A31EU)
- Partenavia Costruzioni Aeronauticas S.p.A. P68C (TCDS A31EU)
- Partenavia Costruzioni Aeronauticas S.p.A. P68C-TC (TCDS A31EU)
- Reims Aviation S.A. F337E (TCDS A23EU)
- Reims Aviation S.A. F337F (TCDS A23EU)
- Reims Aviation S.A. F337G (TCDS A23EU)
- Reims Aviation S.A. FT337E (TCDS A23EU)
- Reims Aviation S.A. FT337F (TCDS A23EU)
- Reims Aviation S.A. FT337GP (TCDS A23EU)
- The Cessna Aircraft Company 310 (TCDS 3A10)
- The Cessna Aircraft Company 310A (USAF U-3A) (TCDS 3A10)
- The Cessna Aircraft Company 310B (TCDS 3A10)
- The Cessna Aircraft Company 310C (TCDS 3A10)
- The Cessna Aircraft Company 310D (TCDS 3A10)
- The Cessna Aircraft Company 310E (USAF U-3B) (TCDS 3A10)
- The Cessna Aircraft Company 310F (TCDS 3A10)
- The Cessna Aircraft Company 310G (TCDS 3A10)
- The Cessna Aircraft Company 310H (TCDS 3A10)
- The Cessna Aircraft Company 310I (TCDS 3A10)
- The Cessna Aircraft Company 310J (TCDS 3A10)
- The Cessna Aircraft Company 310K (TCDS 3A10)
- The Cessna Aircraft Company 310L (TCDS 3A10)
- The Cessna Aircraft Company 310N (TCDS 3A10)
- The Cessna Aircraft Company 310P (TCDS 3A10)
- The Cessna Aircraft Company 310Q (TCDS 3A10)
- The Cessna Aircraft Company 320 (TCDS 3A25)
- The Cessna Aircraft Company 320A (TCDS 3A25)
- The Cessna Aircraft Company 320B (TCDS 3A25)
- The Cessna Aircraft Company 320C (TCDS 3A25)
- The Cessna Aircraft Company 320D (TCDS 3A25)
- The Cessna Aircraft Company 320E (TCDS 3A25)
- The Cessna Aircraft Company 320F (TCDS 3A25)
- The Cessna Aircraft Company 336 (TCDS A2CE)
- The Cessna Aircraft Company 337 (TCDS A6CE)
- The Cessna Aircraft Company 337B (TCDS A6CE)
- The Cessna Aircraft Company 337C (TCDS A6CE)
- The Cessna Aircraft Company 337D (TCDS A6CE)
- The Cessna Aircraft Company 337E (TCDS A6CE)
- The Cessna Aircraft Company 337F (TCDS A6CE)
- The Cessna Aircraft Company 337G (TCDS A6CE)
- The Cessna Aircraft Company 337H (TCDS A6CE)
- The Cessna Aircraft Company 340 (TCDS 3A25)
- The Cessna Aircraft Company 340A (TCDS 3A25)
- The Cessna Aircraft Company 401 (TCDS A7CE)
- The Cessna Aircraft Company 401A (TCDS A7CE)
- The Cessna Aircraft Company 401B (TCDS A7CE)
- The Cessna Aircraft Company 402 (TCDS A7CE)
- The Cessna Aircraft Company 402A (TCDS A7CE)
- The Cessna Aircraft Company 402B (TCDS A7CE)
- The Cessna Aircraft Company 402C (TCDS A7CE)
- The Cessna Aircraft Company 404 (TCDS A25CE)
- The Cessna Aircraft Company 411 (TCDS A7CE)
- The Cessna Aircraft Company 411A (TCDS A7CE)
- The Cessna Aircraft Company 414 (TCDS A7CE)
- The Cessna Aircraft Company 414A (TCDS A7CE)
- The Cessna Aircraft Company 421 (TCDS A7CE)
- The Cessna Aircraft Company 421A (TCDS A7CE)
- The Cessna Aircraft Company 421B (TCDS A7CE)
- The Cessna Aircraft Company 421C (TCDS A7CE)
- The Cessna Aircraft Company P337H (TCDS A6CE)
- The Cessna Aircraft Company T310P (TCDS 3A10)
- The Cessna Aircraft Company T310Q (TCDS 3A10)
- The Cessna Aircraft Company T310R (TCDS 3A10)
- The Cessna Aircraft Company T337B (TCDS A6CE)
- The Cessna Aircraft Company T337C (TCDS A6CE)
- The Cessna Aircraft Company T337D (TCDS A6CE)
- The Cessna Aircraft Company T337E (TCDS A6CE)
- The Cessna Aircraft Company T337F (TCDS A6CE)
- The Cessna Aircraft Company T337G (TCDS A6CE)
- The Cessna Aircraft Company T337H (TCDS A6CE)
- The New Piper Aircraft Inc. PA-23-250 (TCDS 1A10)
- The New Piper Aircraft Inc. PA-34-200T (TCDS A7SO)
- The New Piper Aircraft Inc. PA-42 (TCDS A23SO)
- The New Piper Aircraft Inc. PA-E23-250 (TCDS 1A10)
- Twin Commander Aircraft Corporation 500-A (TCDS 6A1)
- Twin Commander Aircraft Corporation 500-B (TCDS 6A1)
- Twin Commander Aircraft Corporation 500-S (TCDS 6A1)
- Twin Commander Aircraft Corporation 500-U (TCDS 6A1)
- Twin Commander Aircraft Corporation 700 (TCDS A12SW)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part * of the * Regulations.

Original Product--Type Certificate Number: *See attached FAA Approved Model List (AML) Make: *No. SA20GL for list of a pproved airplane models and Model: *applicable airworthiness regulations

Installation of Woodward Electronic Propeller Synchronizer System in accordance with data shown on Approved Model List.

1. Compatibility of this design change with previous modifications must be determined by the installer.

2. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Ontic Engineering and Manufacturing Inc.

20400 Plummer Street Chatsworth, California 91311 Date of application : March 24, 1972

Date of issuance : May 3, 1973

Date reissued : June 17, 2005, April 30, 2007

Date amended : Sep. 24, 1975; Dec. 21, 1976; Feb.

15, 1978; Oct. 6, 1978; Apr. 27, 1988;

Dec. 6, 1991; May 7, 1992 By direction of the Administrator

( Signature) Thomas A. Enyart Manager, Propulsion Branch Los Angeles Aircraft Certification Office

( Title)

### SA20GL_AML.pdf

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 1 of 8

1 Aerostar (Piper)

PA-60-600, PA-60-601

A17WE

**FAR 23**

B33102

Rev. A 3/2/05

N/A

5/23/2005

Piper

PA-23-250, PA-E23-250

1A10

**CAR 3**

B33121

NEW

N/A

5/23/2005

3 Raytheon (Beech)

95-B55, 95-B55A, E55, E55A, 58, 58A 3A16

**CAR 3**

B33117

NEW

N/A

5/23/2005

4 Piper

PA-23-250, PA-E23-250

1A10

**CAR 3**

B33132

Rev. A 3/6/05

N/A

5/23/2005

5 Aerostar (Piper)

PA-60-600, PA-60-601

A17WE

**FAR 23**

B33132

Rev. A 3/6/05

N/A

5/23/2005

6 Raytheon (Beech) 58P A23CE

**FAR 23**

B33117

NEW

N/A

5/23/2005

7 Cessna 337G A6CE

**CAR 3**

B33134

NEW

N/A

5/23/2005

8 Cessna 337G A6CE

**CAR 3**

B33132

NEW

N/A

5/23/2005

9 Raytheon (Beech) 95-C55 3A16

**CAR 3**

B33117

NEW

N/A

5/23/2005

10 Raytheon (Beech) 56TC, A56TC 3A16

**CAR 3**

B33137

NEW

N/A

5/23/2005

11 Raytheon (Beech) 60, A60, B60 A12CE

**FAR 23**

B33137

NEW

N/A

5/23/2005

12 Cessna

310, 310A, 310B, 310C, 310D, 310E, 310F, 310G, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 310R, T310P, T310Q

3A10

**CAR 3**

B33137

NEW

N/A

5/23/2005

13 Cessna

320, 320-1, 320A, 320B, 320C, 320D, 320E, 320F, 340

3A25

**CAR 3**

B33137

NEW

N/A

5/23/2005

14 Cessna

401, 401A, 401B, 402, 402A, 402B, 411, 411A, 414, 421, 421A, 421B A7CE

**CAR 3**

B33137

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 2 of 8

15 Cessna

337, 337B. 337C, 337D, 337E, 337F, 337G, T337B, T337C, T337D, T337E, T337F, T337G A6CE

**CAR 3**

B33139

NEW

N/A

5/23/2005

16 Cessna

F337E, F337F, F337G, FT337E, FT337F, FT337GP

A23EU

**FAR 23**

B33139

NEW

N/A

5/23/2005

17 Cessna 336

A2CE

**CAR 3**

B33139

NEW

N/A

5/23/2005

18 Cessna

337, 337B. 337C, 337D, 337E, 337F, 337G, T337B, T337C, T337D, T337E, T337F, T337G

A6CE

**CAR 3**

B33140

NEW

N/A

5/23/2005

19 Cessna F337E, F337F, F337G, FT337E, FT337F, FT337GP A23EU FAR 23 B33140 NEW N/A 5/23/2005

20 Cessna

A2CE

**CAR 3**

B33140

NEW

N/A

5/23/2005

21 Raytheon (Beech)

95-55, 95-A55, 95-C55A, D55, D55A

3A16

**CAR 3**

B33117

NEW

N/A

5/23/2005

22 Piper PA-23-250, PA-E23-250 1A10 CAR 3 B33137 NEW N/A 5/23/2005

23 Aerostar (Piper)

PA-60-600, PA-60-601

A17WE

**FAR 23**

B33137

NEW

N/A

5/23/2005

24 Piper

PA-23-250, PA-E23-250

1A10

**CAR 3**

B33118

NEW

N/A

5/23/2005

25 Aerostar (Piper)

PA-60-600, PA-60-601

A17WE

**FAR 23**

B33118

NEW

N/A

5/23/2005

26 Raytheon (Beech)

58TC

A23CE

**FAR 23**

B33137

NEW

N/A

5/23/2005

27 Cessna

310, 310A, 310B, 310C, 310D, 310E, 310F, 310G, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 310R, T310P, T310Q

3A10

**CAR 3**

B33118

NEW

N/A

5/23/2005

28 Cessna

320, 320-1, 320A, 320B, 320C, 320D, 320E, 320F, 340

3A25

**CAR 3**

B33118

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 3 of 8

29 Cessna

401, 401A, 401B, 402, 402A, 402B, 411, 411A, 414, 421, 421A, 421B

A7CE

**CAR 3**

B33118

NEW

N/A

5/23/2005

30 Cessna

310, 310A, 310B, 310C, 310D, 310E, 310F, 310G, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, E310H, E310J

3A10

**CAR 3**

B33142

NEW

N/A

5/23/2005

31 Cessna

320, 320-1, 320A, 320B, 320C

3A25

**CAR 3**

B33142

NEW

N/A

5/23/2005

32 Gulfstream

G-44 G-44A McDermott Conversion (STC SA2-13)

A-734

CAR 4a

B33137

NEW

N/A

5/23/2005

33 Cessna 340A 3A25 CAR 3 B33137 NEW N/A 5/23/2005

34 Cessna

340A

3A25

**CAR 3**

B33118

NEW

N/A

5/23/2005

35 Raytheon (Beech) 65, A65, 70 3A20

**CAR 3**

B33137

NEW

N/A

5/23/2005

36 Raytheon (Beech)

D50, D50A, D50B, D50C, D50E, E50, F50, G50, H50, J50 5A4

**CAR 3**

B33137

NEW

N/A

5/23/2005

37 Raytheon (Beech)

95-55, 95-A55, 95-B55 Modified -- Colemill (STC SA432SO)

3A16

**CAR 3**

B33137

NEW

N/A

5/23/2005

38 Cessna

310G, 310H, 310I, 310J, 310K, 310L, 310 N, 310P, Modified -- Colemill (STC SA412SO) 3A10

**CAR 3**

B33137

NEW

N/A

5/23/2005

39 Cessna

320, 320A, 320B, 320C Modified -- Colemill (STC SA518SO)

3A25

**CAR 3**

B33137

NEW

N/A

5/23/2005

40 Cessna T310R 3A10

**CAR 3**

B33137

NEW

N/A

5/23/2005

41 Cessna T310R 3A10

**CAR 3**

B33118

NEW

N/A

5/23/2005

42 Twin Commander (Rockwell)

500-B, 500-S, 500-U

6A1

**CAR 3**

B33137

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 4 of 8

43 Twin Commander (Rockwell)

500-B, 500-S, 500-U

6A1

**CAR 3**

B33118

NEW

N/A

5/23/2005

44 Twin Commander (Rockwell)

500-A Modified -- Colemill (STC SA340SO)

6A1

**CAR 3**

B33137

NEW

N/A

5/23/2005

45 Twin Commander (Rockwell)

500-A Modified -- Colemill (STC SA340SO)

6A1

**CAR 3**

B33118

NEW

N/A

5/23/2005

46 Twin Commander (Rockwell)

500-S, 500-U Modified –Mr. RPM (STC SA2478SW)

6A1

**CAR 3**

B33137

NEW

N/A

5/23/2005

47 Twin Commander (Rockwell)

500-S, 500-U Modified –Mr. RPM (STC SA2478SW)

6A1

**CAR 3**

B33118

NEW

N/A

5/23/2005

48 Cessna 421C A7CE

**CAR 3**

B33137

NEW

N/A

5/23/2005

49 Cessna 421C A7CE

**CAR 3**

B33118

NEW

N/A

5/23/2005

50 Raytheon (Beech) 58PA, 58P, 58TC, 58TCA A23CE

**FAR 23**

B33156

NEW

N/A

5/23/2005

51 Raytheon (Beech)

95-55, 95-A55, 95-B55, 95- B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A 3A16

**CAR 3**

B33156

NEW

N/A

5/23/2005

52 Raytheon (Beech)

D50, D50A, D50B, D50C, D50E, E50, F50, G50, H50, J50 5A4

**CAR 3**

B33118

NEW

N/A

5/23/2005

53 Raytheon (Beech) 56TC, A56TC 3A16

**CAR 3**

B33118

NEW

N/A

5/23/2005

54 Raytheon (Beech) 58PA, 58P, 58TC, 58TCA A23CE

**FAR 23**

B33118

NEW

N/A

5/23/2005

55 Raytheon (Beech) 60. A60, B60 A12CE

**FAR 23**

B33118

NEW

N/A

5/23/2005

56 Raytheon (Beech) 65, A65, 70 3A20

**CAR 3**

B33118

NEW

N/A

5/23/2005

57 Raytheon (Beech)

95-55, 95-A55, 95-B55 Modified -- Colemill (STC SA432SO) 3A16

**CAR 3**

B33118

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 5 of 8

58 Cessna

320, 320A, 320B, 320C Modified -- Colemill (STC SA518SO)

3A25

**CAR 3**

B33118

NEW

N/A

5/23/2005

59 Cessna

310G, 310H, 310I, 310J, 310K, 310L, 310 N, 310P, Modified -- Colemill (STC SA412SO)

3A10

**CAR 3**

B33118

NEW

N/A

5/23/2005

60 Gulfstream (Grumman)

G-44 G-44A Modified --Colemill (STC SA2-13)

A-734

CAR 4a

B33118

NEW

N/A

5/23/2005

61 Cessna 404 A25CE

**FAR 23**

B33118

NEW

N/A

5/23/2005

62 Raytheon (Beech)

65,A65, 65-80, 65-A80, 65-A80-8800, 65-B80, 65-88, 70, Modified--Excalibur (STC SA444SW)

3A20

**CAR 3**

B33137

NEW

N/A

5/23/2005

63 Raytheon (Beech)

65,A65, 65-80, 65-A80, 65-A80-8800, 65-B80, 65-88, 70, Modified--Excalibur (STC SA444SW) 3A20

**CAR 3**

B33118

NEW

N/A

5/23/2005

64 Cessna 414A A7CE

**CAR 3**

B33137

NEW

N/A

5/23/2005

65 Cessna 414A A7CE

**CAR 3**

B33118

NEW

N/A

5/23/2005

66 Cessna

310Q, Modified -- Colemill (STC SA412SO) 3A10

**CAR 3**

B33137

NEW

N/A

5/23/2005

67 Cessna 310Q, Modified -- Colemill (STC SA412SO) 3A10 CAR 3 B33118 NEW N/A 5/23/2005

68 Twin Commander (Rockwell) 685

2A4

**CAR 3**

B33137

NEW

N/A

5/23/2005

69 Twin Commander (Rockwell) 685

2A4

**CAR 3**

B33118

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 6 of 8

70 Cessna 404 A25CE

**FAR 23**

B33137

NEW

N/A

5/23/2005

71 Raytheon (Beech)

D50, D50A, D50B, D50C, D50E, E50, F50, G50, H50, J50 5A4

**CAR 3**

B33137

NEW

N/A

5/23/2005

72 Raytheon (Beech)

D50, D50A, D50B, D50C, D50E, E50, F50, G50, H50, J50 5A4

**CAR 3**

B33118

NEW

N/A

5/23/2005

73 B-N group (Britten Norman)

BN-2, BN-2A, BN-2A-2, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27

A17EU

**FAR 23**

B33137

NEW

N/A

5/23/2005

74 B-N group (Britten Norman)

BN-2, BN-2A, BN-2A-2, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27

A17EU

**FAR 23**

B33118

NEW

N/A

5/23/2005

75 Twin Commander (Rockwell)

A12SW

**FAR 23**

B33148

NEW

N/A

5/23/2005

76 Cessna 337H, P337H, T337H A6CE

**CAR 3**

B33140

NEW

N/A

5/23/2005

77 Raytheon (Beech) 65-80, 65-A80, 65-B80, 65-88 3A20

**CAR 3**

B33137

NEW

N/A

5/23/2005

78 Raytheon (Beech) 65-80, 65-A80, 65-B80, 65-88 3A20

**CAR 3**

B33118

NEW

N/A

5/23/2005

79 Piper PA-31, PA-31-325, PA-31-350 A20SO

**CAR 3**

B33137

NEW

N/A

5/23/2005

80 Piper PA-31, PA-31-325, PA-31-350 A20SO

**CAR 3**

B33118

NEW

N/A

5/23/2005

81 Aerostar (Piper)

PA-60-600, PA-60-601, PA-60-601P

A17WE

**FAR 23**

B33137

NEW

N/A

5/23/2005

82 Aerostar (Piper)

PA-60-600, PA-60-601, A-60-601P A17WE

**FAR 23**

B33118

NEW

N/A

5/23/2005

83 Cessna 402C A7CE

**CAR 3**

B33137

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 7 of 8

84 Cessna 402C A7CE

**CAR 3**

B33118

NEW

N/A

5/23/2005

85 Cessna 414 Modified --Riley (STC SA2680SW) A7CE CAR 3 B33137 NEW N/A 5/23/2005

86 Cessna

414 Modified --Riley (STC SA2680SW)

A7CE

Car 3

B33118

NEW

N/A

5/23/2005

87 Aerostar (Piper)

PA-60-602P

A17WE

**FAR 23**

B33137

NEW

N/A

5/23/2005

88 Aerostar (Piper)

PA-60-602P

A17WE

**FAR 23**

B33118

NEW

N/A

5/23/2005

Vulcanair (Partenavia)

P68C

A31EU

**FAR 23**

B33137

NEW

N/A

5/23/2005

Vulcanair (Partenavia)

P68C

A31EU

**FAR 23**

B33118

NEW

N/A

5/23/2005

91 Piper

PA-42

A23SO

**FAR 23**

B33181

NEW

N/A

5/23/2005

92 British Aerospace

Beagle B.206 Series 2

A11EU

**CAR 3**

B33137

NEW

N/A

5/23/2005

93 British Aerospace

Beagle B.206 Series 2

A11EU

**CAR 3**

B33118

NEW

N/A

5/23/2005

94 Piper

PA-23-250, PA-E23-250 with 28 volt system

1A10

**CAR 3**

B33137

NEW

N/A

5/23/2005

95 Piper

PA-23-250, PA-E23-250 with 28 volt system 1A10

**CAR 3**

B33118

NEW

N/A

5/23/2005

96 Piper PA-34-200T A7SO FAR 23 B33137 NEW N/A 5/23/2005

97 Piper

PA-34-200T

A7SO

**FAR 23**

B33118

NEW

N/A

5/23/2005

FAA Approved Model List (AML) NO. SA20GL Ontic Engineering and Manufacturing Inc. for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System

Date of Issuance: May 3, 1973

**ORIGINAL TYPE**

**CERTIFICATION BASIS**

**INSTALLATION**

**INSTRUCTIONS**

AFM

AML # AIRCRAFT MAKE

**AIRCRAFT MODEL**

**CERTIFICATE NUMBER FOR**

ALTERATION NUMBER * REVISION NO. / DATE

**SUPPLEMENT NO. / DATE**

**AMENDMENT DATE**

Page 8 of 8

98 Vulcanair (Partenavia)

P68C-TC, P68TC Observer

A31EU

**FAR 23**

B33137

NEW

N/A

5/23/2005

99 Vulcanair (Partenavia)

P68C-TC, P68TC Observer

A31EU

**FAR 23**

B33118

NEW

N/A

5/23/2005

100 Raytheon (Beech)

**58PA, 58P, 58TC, 58TCA**

A23CE

**FAR 23**

B33192

NEW

N/A

5/23/2005

101 Raytheon (Beech)

95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 58, 58A

3A16

**CAR 3**

B33192

NEW

N/A

5/23/2005

102 Piper

PA-42

A23SO

**FAR 23**

B33197

NEW

N/A

5/23/2005

103 Raytheon (Beech)

B100

A14CE

**FAR 23**

B33168

NEW

N/A

5/23/2005

104 Cessna

3A25

**CAR 3**

B33137

NEW

N/A

5/23/2005

105 Cessna

3A25

**CAR 3**

B33118

NEW

N/A

5/23/2005 * Or later FAA approved revision FAA Approved:_________________________________________ Thomas A. Enyart Manager, Propulsion Branch Los Angeles Aircraft Certification Office

Date Amended: September 24, 1975;

December 21, 1976; February 15, 1978;

October 6, 1978; April 27, 1988;

December 6, 1991; May 7, 1992 Date Reissued: June 24, 2005, April 30, 2007

## Every issue (1)

- April 30, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a2/c0/a2c0a4f2447a1199d5ba7ac2d2721e2f3cbac144c02bbc8e060c29b6b374ab4b), [SA20GL_AML.pdf](https://openairdocs.org/files/sha256/16/c6/16c6b04c94879ae5500f04ee17eeb5e54ceee50dca4bf30f2f29872d3a3a34cf)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.