STC SA8008SW

JtmteJt ^bdss (if ,A»mta immt 0f QTraitspjorlattott - JJfcfceral (Aimttton (Eerttftcate SA8008SW Tovya Group, Inc. d.b.a. Zeftronics 1622 E. Whaley Street Longview, TX 75601 (See attached FAA Approved Model List (AML) for a list of approved models and applicable airworthiness regulations) Installation of Zeftronics Alternator Control Units P/N's R25101 (27.7V systems) or R25102 (28.8V systems) in accordance with Drawing List ZOOID6, dated January 7, 1991, or later FAA approved Revision.

Compatibility of this modification with previously installed equipment must be determined by installer.

(See continuation sheet 3 of 3) .• December 08, 1988 March 12, 1991 12, 1998 .- 1/6/92; 11/17/92 (Signature) Gary B". Roach, Acting Manager Special Certification Office Southwest Region (rate)

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of Qtronspotrtatton - .Sfeitttrol .Afruttum (Esrttftcaie ((Emttmuatum SA8008SW Date of Issuance: March 12, 1991

• (Continued):

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.

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FAA Form 8110-2-1(10-69) Page 3 of 3 This certificate aay be transferred in accordance with PAR 21.47.

FAA APPROVED MODEL LIST (AML) STC NO. SA8008SW Date of Issuance: March 12, 1991 .Date Reissued: May 12, 1998 Tovya Group, Inc. d.b.a. Zeftronics 1622 E. Whaley Street Longview, TX 75601 Item i 2 3 4 5 6 7 8 9 10 11 Aircraft Make Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna Cessna Aircraft Model 152, A152, F152, FA152 172, 172N, F172N, R172, R172K 177, 177A, 177B, 177RG 180, 180K 182, 182Q, R182, F182Q, FR182, T182, TR182 185, A185F 188, A188B, T188, T188C 206, T206, U206 207, T207 210, 210K, 210L, 210M, 210N, P210, P210N, T210, T210K, T210L, T210M, T210N 337, 337F, 337G, 337H, F337G, F337H, P337H, FP337H, FT337P, T337F, T337G, T337H Original Type Certificate Number 3A19 3A12 A13CE/A20CE 5A6 3A13 3A24 A9CE A4CE A16CE 3A21 A6CE Regulation/ Part CAR 3 CAR 3 FAR 23 CAR 3 CAR 3 CAR 3 FAR 21 CAR 3 FAR 23 CAR 3/ FAR 23 CAR 3 FAA Approved Date: May 12, 1998

itf. Stale, and ^IT code ) Extent of Authority (if licensing agreement): _ Date of Transfer:

Signature of grantor (In ink): __