tdc-3 anchor assembly floor
TRANSCRIPT
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1nitth Stzdra tt Anwriw
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Ah STOO372DE
Ci t2az thiuedto Missoula Technology Development Center
USDA Forest Service
Ft Missoula Building
Missoula Montana 59801
cet1$o Mat tie oianjse tietejceae %otqn1Sr tie /oeZtesinjsnroduot atoM tie %notatoino and oandtrna
tierr aJ ecdieteon neetl tie a aortitheaa rereth-ementi o/cczrt itA Civil Aviation
oafcodacte 1ertate JhnzbS.
A-669
McDonnell Douglas
DC-3
eorrtozn a/tie 8tse iw IanpInstallation of smokejumper equipment Primary Cable Anchor Assembly Horizontal Tether Anchor Assembly
Cargo Floor Anchor Assembly Jump Door HandraH and Communication Guard Assembly in accordance with
Master Drawing List TDC-3 Rev dated February 1999 or later FAA approved revision
Snitatovoi and nchtiniSTC SA484ONM must be installed on aircraft prior to this modification
Approval of this change in type design applies to the above model aircraft only This approval should not be
extended to aircraft of this model on which other previously approved modifications are incorporated unless it is
determined that the interrelationship between this change and any of those other previously approved
modifications including changes in type design will introduce no adverse effect upon the airworthiness of that
aircraft
copy of this Certificate must be maintained as pad of the permanent records for the modified aircraft
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
5ti eert-ate ant/tieaarnarttht
data eoi X ti tie /ath4s cyysnwa/Ja/fretnaoto as unto/Jar
/enaJrect ia.aendea peaIet/ at tpnnosa/thn e/zte atienztie ei/a/æier/4 tie ddtnasthtrato o/uie
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February 1999
.9laoe eosjud
at
Ronald May Signature ManagerNorthwest Mountain RegionDenver Aircraft Certification Office
mile
Any alteration of this certificate is punishable fine of not exceeding $1000 or irnpri.conlnenr no exceeding years or both
Thiscertificate may he transferred in accordance with FAR 21.47
9Yaie a/esdesaaoe
Apnl 25 1995
FAA FORM 81 IQ-21O 68
TRANSPORT AIRPLANE DIRECTORATEDenver Aircraft Certification Office
26805 68th Avenue Room 214U.S Departmentof Iranspartotian
Denver Colorado 80249
Phone 303 342-1080 Fax 303 342-1088Federal Aviation
Administration
February 1999
Mr Dick Karsky
Missoula Technology Development Center
USDA Forest Service
Ft Missoula Building
Missoula Montana 59801
Ref Supplemental Type Certificate STC No 5T00372DE
Project No 5T1567DE-T
Dear Mr Karsky
We have completed our evaluation of your Supplemental Type Certificate STC project and find
that you have satisfactorily demonstrated compliance with the applicable certification regulations
Accordingly we have enclosed your STC No 5T00372DE dated February 1999 which
indicates our approval for the installation of smokejumper equipment Primary Cable Anchor
Assembly Horizontal Tether Anchor Assembly Cargo Floor Anchor Assembly Jump Door
Handrail and Communication Guard Assembly on McDonnell Douglas DC-3 aircraft
This STC is official Federal Aviation Administration FAA approval of your installation and maybe used to authorize identical installations on other aircraft of the same model subject to the
limitations noted on the certificate It may be transferred or otherwise made available to another
party by means of licensee arrangement in accordance with Federal Aviation Regulations FAR21.47 If you grant licensee rights or transfer of the STC you are requested to advise your local
FAA office within 30 days in order that we may take the necessary recording or reissuance action
In accordance with Federal Aviation Regulation FAR 21.3 and as recipient of this certificate
you are required to report any failure malfunction or defect except as provided in FAR 21.3din any product or part manufactured by you or your contracted suppliers and which you have
determined has resulted or could result in any occurrences listed in FAR 21.3c The report
should be communicated initially by telephone to the Manager Denver Aircraft Certification
Office telephone no 303 342-1080 within 24 hours after it has been determined failure has
occurred and followed up with written notice to the address shown above FAA form 8010-4
Malfunction or Defect Report or other appropriate format is acceptable in transmitting the
required details
Expect Excellence
If you plan to manufacture replacement or modification parts for sale in conformance with
approved data listed on the Certificate you are required to comply with FAR 21.303 Parts
Manufacturer Approval PMA may be issued under the provisions of FAR 21.303d when you
submit statement certifying you have established the fabrication inspection system as required by
FAR 21.303h The identification requirements for parts produced under PMA are in FAR45.15 Your statement may be in letter form with reference to STC STOO372DE and should be
addressed to the address indicated below
Federal Aviation Administration
Seattle Manufacturing Inspection District Office ANIM-1085
2500 Valley Road Ste C2
Renton WA 98055
You as the STC holder are responsible for any design changes necessary to correct unsafe
conditions as well as for submitting those design changes to this office for approval This
requirement is contained in FAR 21.99 In addition you are required to advise this office of any
change of address or ownership
Also FAR 21.50 requires that maintenance procedures for continued airworthiness as applicable
to this change in type design be made available to the operator at the time the aircraft is returned
to service
By accepting thi certificate you acknowledge that you have read and understand your
responsibilities as an STC holder
Sincerely
Ronald May
Manager Denver Aircraft Certification Office
Enclosures
TDC-3
Accessories Required For Smokejumping
Primary Overhead Anchor
Cable MTDC-884 Horizontal Anchor Assembly Primary
Strength 2000 pounds
STC STOO372DB
Secondary Overhead Anchor
Cable Basler Turbo Conversions dwg 5130 15 sheets
Strength 750 pounds
STC STOO372DIE
Basler Turbo Conversions Inc
P.O Box 2305
Oshkosh WI 54903-23 05
41 4-23 6-7820
Carcrn Plnnr Mniint %snrhnr
MTDC-883 Cargo Anchor Assembly Floor DC-3
Strength 750 pounds
STC STOO372DE
Handrails MTDC-885 Handrail Communication Box Guard
Revised February 1999
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