STC SA2740SW

Unitcfi j&hitea <W nf tTrimspDrtatttm - 3fehcral Ablation Administration upplemettlalProject Number SA7431SC-A, PWH SA2740SW B]ackhawk Modifications, Inc., a Nevada Corporation 1800 E.Sahara Drive Las Vegas, NV 89108 f-rf/t/tr-j W'f/ Mr r/4/fftrsr /ft /fir fa/"' ffr-^/f/st /fise Mr /rj/ftf'/f'f/t& /f/'f'fff'f'/ ft^fM //If- ff/ftffff/Sfst-l ff/tff /-f/'f/r'/'fst-', //'rsi/fs- rr-i •l/irrr/i'rr/sirs-ifsi f/irr/-i Mr 'rtrrr-r-r////fii »-i frY""'''""'"^-' >'/•'/'"'/ 3 f/ Mr Civil Air -/hiyir'"/f'ffrf /'/yrs-rt/ . //-fr/rii-/ •/%?"' '•'ls''''/'r"/' • l'""f''f .- 3A20 ./tfjftdf .- Rayiheon Aircraft Co.

65-90; 65-A90; B90; C90; C90A; E90 ! r/.yyir Option 1: Installation of Pratt & Whitney Canada PT6A-135 engines and bleed air conditioning and pressurization system in accordance with Taurus-King Air Drawing List R04-16, Rev. K dated February 6, 1979, or later FAA approved revision.

y.S/,>t7f/Sfs..j r,/,r/¥,f/ir/t~/Sffi.>.- FAA Approved Airplane Flight Manual Supplement: (AFMS) dated April 28, 1978, is required for Beech Model 65-A90. (Option 1) (See continuation sheet 3 of 3] .!Mt-± ri/'/f//i-ff/t rttif///ii .itr/t/tf/-/rsip t/tf/n ft-St/i-A r'.j Mr f'n-ir-i/r-s- n/i/if-fr-af id'ir/rr//ilf//t rsi r^i-r/"f'//i Jrtrfv'fir/ffrf/, -jH-yirrif/i'f/. rrff/-f//r-s- if /rsw-/siir/re-fi t/fi/i r'.i f/strs-rr'^r r-if'fft'/fjdfr//iff Mr . (Jr6jtt/i'-if'f'"/rs- f///If . f'S'SffsVff - f^f</ff//f*ft . f.fMtr/tr'.lifrrf/'f'r'sr.

r-/ryyt//frr//r-/i .- January 29, 1976 f/fUtfMfr .• March 24, 1978 .• 11-13-02 fjf,,/f „,„,»,/„/ 5- 1 -78; 1 1-27-78; 2-23-79; 3-31-8 1 :

1-9-03; 9-5-03, Rev. 6 (Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region Any alteration of Chis csrcificace is by a fine of nof Jng Jl.OOO, or inrprisonnrent not 3 ye*rs, nr hoth- FAA Form 8110-2 UO-6B) Page 1 of 3 nay be Cransferred in wj ch F^P 21.47.

Uiiilcti *&tati>s OBf j department of transportation - Jlfeoeral A&iation ,A&mimstnittan (Continuation SA2740SW Dale of Issuance: March 24. 1978 Dale Amended; .September 5, 2003 f/.'/y/ir- '-S*'-iip/i 'Ma/ipr- (Continued):

Option 2: Installation of Pratt & Whitney Canada PT6A-135A engines in accordance with Blackhawk Modification, Inc. Drawing Ho. 18001-01, dated September 20, 2002, "Installation Instructions", or later FAA approved revision.

Option 3: Installation of Pratt & Whitney Canada PT6A-135A engines and Hartzell four bladed HC-D4H-3C/D9290SK or HC-E4N-3N/D8990SK propellers in accordance with Blackhawk Modifications, Inc., Drawing No. 19003-01, Rev. IR, dated August 4, 2003, "Installation Instructions", or later FAA approved revision.

^jrSMt'/fr/rra-i ff/if/'f,r-fif//~/rffi-i (Continued):

1. FAA Approved AFMS dated February 23, 1979, is required for Beech Model B90.

(Option 1)

2. FAA Approved AFMS dated February 23, 1979, is required for Beech Model C90.

(Option 1)

3. The following Beech Kit is eligible for the Model 65-A90, P/N 90-4026. The following Beech Kits are not eligible with this installation P/N 90-4031, P/N 90-4031-1, P/N 90-4032, P/N 90-4032-1, and P/H 90-4035. M4C Autopilots in accordance with STC SA296CE and SA547CE with SAGA modifications, Mitchell Century III in accordance with STC SA761SW and SAGA modifications and H14 autopilot as factory installed by Beech are approved. Mitchell Century IV in accordance with STC SA3042SW-D and SAGA modifications is approved .

(Option 1) 4 . The Center of Gravity limits are restricted to those shown on the Airplane Flight Manual (AFM) .

5. Each modified airplane must be flight checked in accordance with SAGA Report R04-37 dated 11/1/78, or later FAA approved revision. (Option 1)

6. FAA Approved AFMS Document No. AFMS 19001, dated January 9, 2003, or later FAA approved revision is required for the Raytheon (Beech) C90 airplane with Pratt & Whitney Canada PT6A-135A engines. (Option 2)

7. FAA Approved AFMS Document No. AFMS 19003-00, Rev. IR, dated September 5, 2003, or later FAA approved revision is required for the Raytheon (Beech) C90, C90A, or E90 airplane with Pratt & Whitney Canada PT6A-135A engines.

(Option 3) Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

Any aJterafion of chjs cer11 ficatre is punishable by A fine of not exceeding 51-000. or ijpprigonnrent not exceeding J years, or btjttt- FAA Form 0110-2-1110-69) Pane 3 o£ 3 This cercificacs may be transferred in accordance <wicn FAtf 2i.47.

INSTRUCTIONS: The transfer andorgement below may be used to notify the appropriate FAA Regional Office of the transfer of the Supplemental Type Certificate.

The FAA will reissue the certificate in the name of tho transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor-) (Number & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):