# STC SA250CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ontic Engineering and Manufacturing Inc.
- Description: Installation of Woodward electronic propeller synchraphaser system.
- Status date: April 30, 2007
- Data sheets: 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A25, 3A25, A2CE, A6CE, A7CE, A7CE, A7CE, A7CE, A7CE, A9EA, A9EA, A9EA, A9EA, A8EA, A8EA, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 5A4, 5A4, 5A4, A-765, A-765, A-765, A-765, A-765, A12CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A31CE, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 6A1, 6A1, 6A1, 6A1, 6A1
- Certificate PDF: https://openairdocs.org/files/sha256/db/f3/dbf31f2e5b3af380c2e32157d06db27783d190a7f48f3af993770e3330e92be3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/915383777E99F2BB862572D4004C4609.0001
- Page: https://openairdocs.org/stc/SA250CE

## ADs that name it

None.

## Approved models (87)

- Bombardier Inc. DHC-6-1 (TCDS A9EA)
- Bombardier Inc. DHC-6-100 (TCDS A9EA)
- Bombardier Inc. DHC-6-200 (TCDS A9EA)
- Bombardier Inc. DHC-6-300 (TCDS A9EA)
- Mitsubishi Heavy Industries Ltd. MU-2B-10 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-15 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-20 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-25 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-26 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-30 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-35 (TCDS A2PC)
- Mitsubishi Heavy Industries Ltd. MU-2B-36 (TCDS A2PC)
- Raytheon Aircraft Company 100 (TCDS A14CE)
- Raytheon Aircraft Company 58 (TCDS 3A16)
- Raytheon Aircraft Company 58A (TCDS 3A16)
- Raytheon Aircraft Company 65 (TCDS 3A20)
- Raytheon Aircraft Company 65-80 (TCDS 3A20)
- Raytheon Aircraft Company 65-88 (TCDS 3A20)
- Raytheon Aircraft Company 65-90 (TCDS 3A20)
- Raytheon Aircraft Company 65-A80 (TCDS 3A20)
- Raytheon Aircraft Company 65-B80 (TCDS 3A20)
- Raytheon Aircraft Company 70 (TCDS 3A20)
- Raytheon Aircraft Company 95 (TCDS 3A16)
- Raytheon Aircraft Company 95-55 (TCDS 3A16)
- Raytheon Aircraft Company 95-A55 (TCDS 3A16)
- Raytheon Aircraft Company 95-B55 (TCDS 3A16)
- Raytheon Aircraft Company 99 (TCDS A14CE)
- Raytheon Aircraft Company 99A (TCDS A14CE)
- Raytheon Aircraft Company A100 (TCDS A14CE)
- Raytheon Aircraft Company A60 (TCDS A12CE)
- Raytheon Aircraft Company A65 (TCDS 3A20)
- Raytheon Aircraft Company A99 (TCDS A14CE)
- Raytheon Aircraft Company A99A (TCDS A14CE)
- Raytheon Aircraft Company B100 (TCDS A14CE)
- Raytheon Aircraft Company B90 (TCDS 3A20)
- Raytheon Aircraft Company B95 (TCDS 3A16)
- Raytheon Aircraft Company B95A (TCDS 3A16)
- Raytheon Aircraft Company B99 (TCDS A14CE)
- Raytheon Aircraft Company C-45G (TCDS A-765)
- Raytheon Aircraft Company C90 (TCDS 3A20)
- Raytheon Aircraft Company D18S (TCDS A-765)
- Raytheon Aircraft Company D95A (TCDS 3A16)
- Raytheon Aircraft Company E18S-9700 (TCDS A-765)
- Raytheon Aircraft Company E90 (TCDS 3A20)
- Raytheon Aircraft Company F90 (TCDS A31CE)
- Raytheon Aircraft Company G18S (TCDS A-765)
- Raytheon Aircraft Company G50 (TCDS 5A4)
- Raytheon Aircraft Company H18 (TCDS A-765)
- Raytheon Aircraft Company H50 (TCDS 5A4)
- Raytheon Aircraft Company J50 (TCDS 5A4)
- The Cessna Aircraft Company 310D (TCDS 3A10)
- The Cessna Aircraft Company 310E (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 320D (TCDS 3A25)
- The Cessna Aircraft Company 336 (TCDS A2CE)
- The Cessna Aircraft Company 337 (TCDS A6CE)
- The Cessna Aircraft Company 340 (TCDS 3A25)
- The Cessna Aircraft Company 401 (TCDS A7CE)
- The Cessna Aircraft Company 402 (TCDS A7CE)
- The Cessna Aircraft Company 411 (TCDS A7CE)
- The Cessna Aircraft Company 414 (TCDS A7CE)
- The Cessna Aircraft Company 421 (TCDS A7CE)
- The Cessna Aircraft Company E310H (TCDS 3A10)
- The New Piper Aircraft Inc. PA-31P (TCDS A8EA)
- The New Piper Aircraft Inc. PA-31T (TCDS A8EA)
- 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 560-A (TCDS 6A1)
- Twin Commander Aircraft Corporation 560-E (TCDS 6A1)
- Twin Commander Aircraft Corporation 560-F (TCDS 2A4)
- Twin Commander Aircraft Corporation 680 (TCDS 2A4)
- Twin Commander Aircraft Corporation 680-E (TCDS 2A4)
- Twin Commander Aircraft Corporation 680-F (TCDS 2A4)
- Twin Commander Aircraft Corporation 680-FL (TCDS 2A4)
- Twin Commander Aircraft Corporation 680-FL(P) (TCDS 2A4)
- Twin Commander Aircraft Corporation 685 (TCDS 2A4)
- Twin Commander Aircraft Corporation 690 (TCDS 2A4)
- Twin Commander Aircraft Corporation 690A (TCDS 2A4)
- Twin Commander Aircraft Corporation 720 (TCDS 2A4)

## 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.

This certificate issued to

Part * of the * Regulations *

Install: Woodward Electronic Propeller Synchronizer or Synchrophaser System on light twin-engine airplanes.

Data Required: Data shown on Approved Model List.

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

2. A copy of this Certificate and the FAA Approved Model List (AML) No. SA0250CE or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3. 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 * See attached FAA Approved Model List (AML) Make : SA250CE for list of Approved airplane models Model : and applicable airworthiness regulations.

Date reissued : October 21, 2004; June 24, 2005, April 30, 2007

Date amended : Aug. 12, 1965; Jul. 25, 1966; Jul. 19, 1967;

Oct. 21, 1968; Aug. 25, 1971; Aug. 27, 1971; May 12, 1972;

Jul. 26, 1974; Nov. 12, 1974; Dec.12, 1986; Oct. 8, 1987; Dec. 4, 1987 By direction of the Administrator

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

( Title)

Date of application : June 2, 1964

Date of issuance : June 19, 1964

### SA250CE_AML.pdf

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 1

Cessna

310D

3A10

**CAR 3 33031**

615/1964

6/17/1964

5/24/2005 2

Raytheon (Beech)

65-90

3A20

**CAR 3 33033**

8/10/1964

8/13/1964

5/24/2005 3 Raytheon (Beech)

65-90

3A20

**CAR 3 33039**

9/15/1964

8/13/1964

5/24/2005 4 Raytheon (Beech)

95, B95, B95A, D95A

3A16

CAR 3 33029 9/21/1964 9/21/1964 5/24/2005 5 Raytheon (Beech)

95-55, 95-A55, 95-B55

3A16

**CAR 3 33030**

11/16/1964

11/20/1964

5/24/2005 6

Raytheon (Beech)

95, B95, B95A, D95A

3A16

CAR 3 33037 12/15/1964 9/21/1964 5/24/2005 7 Raytheon (Beech)

C45G, D18S, E18S-9700, G18S, H18

A-765

**CAR 3 33043**

2/2/1965

2/2/1965

5/24/2005 8 Raytheon (Beech) G50, H50, J50 5A4 CAR 3 33027 2/2/1965 3/15/1965 5/24/2005 9

Raytheon (Beech)

95-55, 95-A55, 95-B55

3A16

**CAR 3 33042 12/30/1964 11/20/1964 5/24/2005 10**

Cessna

A2CE

**CAR 3 33036**

8/17/1964

8/19/1964

5/24/2005 11

Cessna

310D

3A10

**CAR 3 33041**

12/15/1964

6/17/1964

5/24/2005 12

Cessna

310I

3A10

**CAR 3 33041**

12/15/1964

6/17/1964

5/24/2005 13

Cessna

310D, 310J, E310H

3A10

**CAR 3 33031**

6/15/1964

6/17/1964

5/24/2005 14 Cessna

310E, 310H, 310J, E310H

3A10

CAR 3 33041 12/15/1964 6/17/1964 5/24/2005 15 Cessna

A2CE

**CAR 3 33047**

7/8/1965

8/19/1964

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 16 Cessna

310K, 310L, 310N, 310P

3A10

**CAR 3**

33041

12/15/1964

6/17/1964

5/24/2005 17 Cessna

310Q

3A10

**CAR 3 33041 12/15/1964 6/17/1964 5/24/2005 18**

Twin Commander (Rockwell) 680, 680E

2A4

CAR 3 33034 8/20/1964 8/25/1964 or 9/241964 5/24/2005 19

Twin Commander (Rockwell) 560-E

6A1

CAR 3 33034 8/20/1964 8/25/1964 or 9/24/1964 5/24/2005 20

Twin Commander (Rockwell) 680, 680FL, 560-F

2A4

**CAR 3 33035**

10/22/1964

10/23/1964

5/24/2005 21

Twin Commander (Rockwell) 500-B

6A1

**CAR 3 33040**

11/24/1964

11/25/1964

5/24/2005 22 Twin Commander (Rockwell) 680FL(P)

2A4

CAR 3 33035 12/22/1964 10/23/1964 5/24/2005 23 Twin Commander (Rockwell) 560-F, 680F, 680FL, 680FLP

2A4

**CAR 3 33024**

4/30/1965

5/10/1965

5/24/2005 24 Twin Commander (Rockwell) 560-A

6A1

**CAR 3 33034**

5/19/1965

8/25/1964

5/24/2005 25 Twin Commander (Rockwell) 720

2A4

**CAR 3 33034**

5/19/1965

8/25/1964

5/24/2005 26 Twin Commander (Rockwell) 560-A, 560-E

6A1

**CAR 3 33044**

7/20/1965

8/25/1964

5/24/2005 27 Twin Commander (Rockwell) 680, 680E, 720

2A4

**CAR 3 33044**

7/20/1965

8/25/1964

5/24/2005 28 Twin Commander (Rockwell) 500-B, 500-U

6A1

**CAR 3 33055**

6/30/1966

8/25/1964

5/24/2005 29

Raytheon (Beech)

65-80, 65-A80, 65-88

3A20

**CAR 3 33045**

10/20/1965

10/25/1965

5/24/2005 30

Raytheon (Beech)

65-80, 65-A80, 65-88

3A20

**CAR 3 33028 11/1/1965 11/5/1965 5/24/2005 31**

Raytheon (Beech)

95-C55

3A16

**CAR 3 33030**

12/16/1965

11/20/1964

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 32

Raytheon (Beech)

65-A90

3A20

**CAR 3 33039**

1/21/1966

8/13/1964

5/24/2005 33 Raytheon (Beech)

65-B80

3A20

CAR 3 33045 10/20/1965 10/25/1965 5/24/2005 34 Raytheon (Beech) 65-A80 3A20 CAR 3 33046 6/20/1966 6/23/1966 5/24/2005 35 Raytheon (Beech) 95, B95, B95A, D95A 3A16 CAR 3 33056 8/15/1966 8/16/1966 5/24/2005 36 Raytheon (Beech)

3A20

CAR 3 33057 8/15/1966 8/16/1966 5/24/2005 37 Raytheon (Beech)

G50, H50, J50

5A4

CAR 3 33057 8/15/1966 8/16/1966 5/24/2005 38 Raytheon (Beech) C50, D50, D50B, D50E 5A4 CAR 3 33053 12/1/1965 12/2/1965 5/24/2005 39

Raytheon (Beech)

95-55, 95-A55, 95-B55, 95-C55

3A16

**CAR 3 33042 8/10/1966 11/20/1964 5/24/2005 40**

Raytheon (Beech)

65-A90

3A20

**CAR 3 33038 3/1/1967 3/15/1967 5/24/2005 41**

Raytheon (Beech)

C50, D50, D50B, D50E

5A4

**CAR 3 33025 3/10/1965 10/3/1963 5/24/2005 42**

Raytheon (Beech)

B90

3A20

CAR 3 33038 11/6/1967 3/15/1967 5/24/2005 43 Raytheon (Beech)

B90

3A20

**CAR 3 33066**

11/8/1967

11/10/1967

5/24/2005 44 Raytheon (Beech)

56TC

3A16

CAR 3 B33059 12/15/1967 1/2/1968 5/24/2005 45 Raytheon (Beech)

A12CE

**FAR 23 33032**

12/15/1967

2/2/1968

5/24/2005 46 Raytheon (Beech)

D55

3A16

**CAR 3**

33042

8/10/1968

11/20/1964

5/24/2005 47

Bombardier (Dehavilland) DHC-6-1, DHC-6-100, DHC-6-200

A9EA

**CAR 3 33064 3/15/1967 3/15/1967 5/24/2005 48**

Mitsubishi (Mooney) MU-2B

A2PC

**CAR 10 33060**

9/20/1967

9/22/1967

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 49

Mitsubishi (Mooney) MU-2B

A2PC

**CAR 10 33061**

1/20/1968

9/22/1967

5/24/2005 50

Mitsubishi (Mooney) MU-2B-15, MU-2B-20

A2PC

**CAR 10 33060**

3/1/1969

9/22/1967

5/24/2005 51

Bombardier (Dehavilland) DHC-6-300

A9EA

**CAR 3 33076**

3/15/1969

3/15/1969

5/24/2005 52

Mitsubishi (Mooney) MU-2B-30

A2PC

**CAR 10 33060**

11/12/1969

9/22/1967

5/24/2005 53

Bombardier (Dehavilland) DHC-6-300

A9EA

**CAR 3 33175**

New

12/12/1986

5/24/2005 54 Cessna 310J, 310K 3A10

**CAR 3 33067 12/15/1967 12/15/1967**

5/24/2005 55 Cessna 320D 3A25

**CAR 3 33068 12/20/1967 12/20/1967**

5/24/2005 56 Cessna 401, 402 A7CE

**CAR 3 33068 12/20/1967 12/20/1967**

5/24/2005 57 Cessna 337 A6CE

**CAR 3 33065 12/1/1967 12/5/1967**

5/24/2005 58 Cessna 411 A7CE CAR 3 33069 12/30/1967 12/30/1967 5/24/2005 59 Cessna 421 A7CE

**CAR 3 33070 1/5/1968 1/5/1968**

5/24/2005 60 Cessna 414 A7CE CAR 3 33068 7/10/1970 12/20/1967 5/24/2005 61 Cessna 340 3A25

**CAR 3 33068 12/1/1986 12/20/1967**

5/24/2005 62

Twin Commander (Rockwell) 500-S

6A1

**CAR 3**

B33055

6/30/1966

11/25/1964

5/24/2005 63

Twin Commander (Rockwell) 690

2A4

**CAR 3**

B33103

1/15/1973

1/15/1973

5/24/2005 64

Twin Commander (Rockwell) 685

2A4

**CAR 3**

B33108

4/3/1974

4/4/1974

5/24/2005 65

Raytheon (Beech)

A14CE

**FAR 23**

33066

5/2/1968

11/10/1967

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 66

Raytheon (Beech)

99A

A14CE

**FAR 23**

33066

2/3/1969

11/10/1967

5/24/2005 67

Raytheon (Beech)

A14CE

**FAR 23 33066**

7/15/1969

11/10/1967

5/24/2005 68

Raytheon (Beech)

A99, A99A

A14CE

**FAR 23**

33066

3/1/1971

11/10/1967

5/24/2005 69 Raytheon (Beech)

B99

A14CE

**FAR 23**

33066

3/15/1972

11/10/1967

5/24/2005 70

Raytheon (Beech)

65-80, 65-A80, 65-B80, 65-88

3A20

**CAR 3 33073**

4/1/1969

4/1/1969

5/24/2005 71 Raytheon (Beech) B90 3A20

**CAR 3 33074 6/10/1969 6/10/1969**

5/24/2005 72

Raytheon (Beech)

99, 99A, 100

A14CE

**FAR 23 33074 6/10/1969 6/10/1969 5/24/2005 73**

Raytheon (Beech)

65, A65, 70

3A20

**CAR 3 33078**

10/20/1969

10/20/1969

5/24/2005 74 Mitsubishi (Mooney) MU-2B-20 A2PC CAR 10 33085 6/1/1970 6/1/1970 5/24/2005 75

Raytheon (Beech)

C90

3A20

**CAR 3 33074**

10/26/1970

6/10/1969

5/24/2005 76 Mitsubishi (Mooney) MU-2B-30 A2PC FAR 23 33085 11/2/1970 6/1/1970 5/24/2005 77

Raytheon (Beech)

A100

A14CE

**CAR 3 33074**

5/18/1971

6/10/1969

5/24/2005 78 Mitsubishi (Mooney) MU-2B-35

A2PC

**CAR 10 B33099**

6/1/1971

6/1/1971

5/24/2005 79

Raytheon (Beech)

A60

A12CE

**FAR 23**

33032

2/1/1970

2/2/1968

5/24/2005 80

Raytheon (Beech) 58, 58A 3A16 CAR 3 33042 7/8/1971 11/20/1964

5/24/2005 81

Piper PA-31P A8EA

CAR 3 B33094 20-Jul-1970 7/25/1970

5/24/2005 82

Piper PA-31T A8EA

CAR 3 B33127 New 6/20/1974

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7 83

Raytheon (Beech)

E90

3A20

**CAR 3 B33074 4/7/1972 6/10/1969 5/24/2005 84**

Mitsubishi

MU-2B-25

A2PC

**CAR 10**

B33099

6/1/1971

6/1/1971

5/24/2005 85

Mitsubishi

MU-2B-10, MU-2B-15

A2PC

**CAR 10 B33112**

2/6/1973

2/6/1973

5/24/2005 86

Mitsubishi

MU-2B-26, MU-2B-36

A2PC

**CAR 10 B33099**

8/26/1974

6/1/1971

5/24/2005 87 Raytheon (Beech)

B100

A14CE

**FAR 23 B33135**

New

2/25/1976

5/24/2005 88 Twin Commander (Rockwell)

690, 690A

2A4

**CAR 3 B33143**

New

2/25/1976

5/24/2005 89 Raytheon (Beech)

F90

A31CE

**FAR 23 B33074**

12/10/1980

6/10/1969

5/24/2005 90 Piper

PA-31T

A8EA

**CAR 3**

B33186

New

2/25/1976

5/24/2005

FAA Approved Model List (AML) NO. SA250CE Ontic Engineering and Manufacturing Inc.

for Installation of Woodward Type II Electronic Engine Synchronizer or Synchrophaser System Date of Issuance: June 19, 1964

**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 7

91 Piper

PA-31T

A8EA

**CAR 3 B33174**

New

2/25/1976

5/24/2005 * Or later FAA approved revision

FAA Approved:_________________________________________ Thomas A. Enyart Manager, Propulsion Branch Los Angeles Aircraft Certification Office

Date Amended: August 12, 1965, July 25, 1966, July 19, 1967, October 21, 1968, August 25, 1971, August 27, 1971, May 12, 1972, July 26, 1974, November 12, 1974, December 12, 1986, October 8, 1987, December 4, 1987

Date reissued: October 21, 2004 June 24, 2005, April 30, 2007

## Every issue (2)

- April 30, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/db/f3/dbf31f2e5b3af380c2e32157d06db27783d190a7f48f3af993770e3330e92be3), [SA250CE_AML.pdf](https://openairdocs.org/files/sha256/9d/89/9d89c9cf865f007d0926da95d5b7b47dd65e45f340ca409315ba2ac0132a3d09)
- June 24, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5e/ee/5eeecc5dfdc4e3ed1cedc0c7de09c74561a683ecb7d1d0e773c91daaa608d532)

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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.