ENSTROM 480B User manual
ENSTROM480BOPERATOR’SMANUAL
AND
FAAAPPROVEDROTORCRAFTFLIGHTMANUAL
REPORTNO.28‐AC‐023
DATED:FEBRUARY9,2001
Revision24,datedMay2,2019,appliestotheEnstrom480B
Operator’sandFAAApprovedRotorcraftFlightManual,dated
February9,2001.Incorporatethisrevisionbyremovingand
insertingthepageslistedbelow.
RemovepagesInsertpages
ithroughivithroughiv
viithroughxivviithroughxiv
INTRO‐3throughINTRO‐6INTRO‐3throughINTRO‐6
1‐1through1‐41‐1through1‐4
1‐16.1through1‐16.21‐16.1through1‐16.2
2‐1through2‐22‐1through2‐2
2‐15through2‐182‐15through2‐18
5‐9‐1through5‐9‐45‐9‐1through5‐9‐4
5‐9‐11through5‐9‐145‐9‐11through5‐9‐14
7‐3through7‐47‐3through7‐4
7‐59through7‐627‐59through7‐62
7‐75through7‐767‐75through7‐76
.....................................................End......................................................
INTENTIONALLYLEFTBLANK
ENSTROM 480B OPERATOR'S MANUAL i
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
LOG OF REVISIONS
Rev.
No. Date FAA Approved
1 April 10/02 Joseph C. Miess
2 Sept 05/03 Joseph C. Miess
3 Feb 2/04 Joseph C. Miess
4 Sep 9/04 Joseph C. Miess
5 Sep 27/04 Joseph C. Miess
6 Apr 11/05 Joseph C. Miess
7 Jun 6/06 Joseph C. Miess
8 Sep 17/06 Joseph C. Miess
9 Mar 6/07 Joseph C. Miess
10 Apr 11/07 Joseph C. Miess
11 Dec 5/07 Joseph C. Miess
12 Feb 14/08 Joseph C. Miess
13 Apr 23/08 Joseph C. Miess
14 Apr 16/10 Joseph C. Miess
15 Jul 16/10 Joseph C. Miess
16 Sep 20/10 Joseph C. Miess
17 Jan 25/11 Joseph C. Miess
18 Jul 15/11 M. W. Anderson
19 Jan 18/12 Joseph C. Miess
20 Jul 3/12 Joseph C. Miess
21 Jan 14/13 Joseph C. Miess
22 Aug 17/15 Ronald D. McElroy
23 May 19/16 Ronald D. McElroy
24 May 21/19 Ryan Nelson
Approved by the Manager,
Southwest Flight Test Section, AIR-713
Federal Aviation Administration
Ft. Worth, TX
ii ENSTROM 480B OPERATOR'S MANUAL
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
EASA LOG OF REVISIONS
Rev.
No. Date EASA Approved
FAA Approval
on Behalf of
EASA
1 Sep 28/03 * N/A
2 Sep 28/03 * N/A
3 May 29/05 2005-4677 N/A
4 May 30/05 2005-4682 N/A
5 May 29/05 2005-4678 N/A
6 Jun 1/05 Decision 2004/04/CF N/A
7 Jun 6/06 Decision 2004/04/CF N/A
8 Sep 17/06 Decision 2004/04/CF N/A
9 Aug 2/07 EASA.IM.R.C.01427 N/A
10 Jan 18/08 EASA.IM.R.C.01426 N/A
11 Apr 17/08 EASA.IM.R.C.01442 N/A
12 NOT EASA APPROVED (SUPP. #10, EFIS)
13 NOT EASA APPROVED (SUPP. #10, EFIS)
14 Apr 4/13 EASA 10044309 N/A
15 Mar 7/13 EASA 10043956 N/A
16 Jan 27/14 EASA 10045751 N/A
17 Aug 28/13 FAA/EASA T.I.P. ** G. J. Michalik
18 May 8/14 EASA 10044744 N/A
19 Aug 28/13 FAA/EASA T.I.P. ** G. J. Michalik
20 Oct 10/13 FAA/EASA T.I.P. ** G. J. Michalik
21 Jan 27/14 EASA 10045751 N/A
22 May 1/17 FAA/EASA T.I.P. ** M. Javed
23 May 1/17 FAA/EASA T.I.P. ** M. Javed
24 Jul 11/19 FAA/EASA T.I.P. *** M. Javed
* Article 3, Commission Regulation (EU) 748/2012
** Section 3.2 T.I.P. Revision 5
*** Section 3.5.12 T.I.P. Revision 6
ENSTROM 480B OPERATOR'S MANUAL iii
Rev. 12
Report No. 28-AC-023 Feb 1/08
LOG OF SUPPLEMENTS
Sup.
No. Description Date FAA Approved
1 Cargo Hook Feb 9/01 Joseph C. Miess
2 Snow Shoes Feb 9/01 Joseph C. Miess
3 External Fuel
Filter Feb 9/01 Joseph C. Miess
4 Baggage Box
Extension Feb 9/01 Joseph C. Miess
5 Camera Door Feb 9/01 Joseph C. Miess
6 Emergency Floats Sep 5/03 Joseph C. Miess
7 Air Conditioning Sep 9/04 Joseph C. Miess
8 Nose Positioned
Camera Mount Jun 6/06 Joseph C. Miess
9 Searchlight Jun 6/06 Joseph C. Miess
10 EFIS Feb 14/08
Joseph C. Miess
APPROVED FOR THE MANAGER
CHICAGO AIRCRAFT CERTIFICATION OFFICE
CENTRAL REGION
FEDERAL AVIATION ADMINISTRATION
iv ENSTROM 480B OPERATOR'S MANUAL
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
EASA LOG OF SUPPLEMENTS
Sup.
No. Description Date EASA
Approved
FAA
Approval
on Behalf
of EASA
1 Cargo Hook Sep 28/03 * N/A
2 Snow Shoes Sep 28/03 * N/A
3 External Fuel
Filter Sep 28/03 * N/A
4 Baggage Box
Extension Sep 28/03 * N/A
5 Camera Door Sep 28/03 * N/A
6 Emergency
Floats May 29/05 2005-4677 N/A
7 Air
Conditioning May 30/05 2005-4682 N/A
8
Nose
Positioned
Camera
Mount
Jun 6/06 Decision
2004/04/CF
N/A
9 Searchlight Jun 6/06 Decision
2004/04/CF
N/A
10 EFIS NOT APPROVED
* Article 3, Commission Regulation (EU) 748/2012
ENSTROM 480B OPERATOR'S MANUAL vii
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
LIST OF EFFECTIVE PAGES
PAGE DATE PAGE DATE
i May 2/19
ii May 2/19
iii Feb 1/08
iv May 2/19
v Apr 16/10
vi Apr 16/10
vii May 2/19
viii May 2/19
ix May 2/19
x May 2/19
xi May 2/19
xii May 2/19
xiii May 2/19
xiv Jul 3/12
INTRO-1 Feb 9/01
INTRO-2 Feb 9/01
INTRO-3 May 2/19
INTRO-4 May 2/19
INTRO-5 May 2/19
INTRO-6 Feb 9/01
INTRO-7 Apr 10/02
INTRO-8 Apr 10/02
INTRO-9 Apr 10/02
INTRO-10 Apr 10/02
1-1 May 2/19
1-2 May 2/19
1-3 May 2/19
1-4 May 2/19
1-5 Feb 9/01
1-6 Apr 16/10
1-7 Apr 16/10
1-8 Jul 16/15
1-9 Jul 3/12
1-10 Apr 16/10
1-11 Apr 28/16
1-12 Apr 16/10
1-13 Apr 28/16
1-14 Apr 10/02
1-15 Apr 10/02
1-16 Apr 10/02
1-16.1 Jul 12/10
1-16.2 May 2/19
1-17 Jun 30/04
1-18 Jun 30/04
1-19 Jun 30/04
1-20 Jun 30/04
1-21 Jun 30/04
1-22 Jun 30/04
1-23 Jul 3/12
1-24 Jul 3/12
1-25 Jul 3/12
1-26 Jul 16/15
1-27 Feb 9/01
1-28 Feb 9/01
1-29 Feb 9/01
1-30 Feb 9/01
1-31 Feb 9/01
1-32 Feb 9/01
1-33 Nov 21/12
1-34 Nov 21/12
2-1 May 2/19
2-2 Apr 16/10
2-3 Apr 16/10
2-4 Jul 3/12
2-5 Jul 3/12
2-6 Jul 3/12
2-7 Jul 3/12
2-8 Jul 3/12
2-9 Apr 16/10
2-10 Jul 3/12
2-11 Jul 3/12
2-12 Jul 3/12
2-13 Apr 16/10
2-14 Apr 28/16
viii ENSTROM 480B OPERATOR'S MANUAL
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
2-15 Apr 28/16
2-16 May 2/19
2-17 May 2/19
2-18 Apr 16/10
2-19 Jun 14/11
2-20 Apr 16/10
2-21 Apr 16/10
2-22 Apr 16/10
2-23 Apr 16/10
2-24 Apr 16/10
2-25 Apr 16/10
2-26 Apr 16/10
2-27 Apr 16/10
2-28 Apr 16/10
2-29 Apr 16/10
2-30 Apr 28/16
2-31 Apr 16/10
2-32 Apr 16/10
2-33 Apr 16/10
2-34 Apr 16/10
2-35 Apr 16/10
2-36 Apr 16/10
2-37 Apr 16/10
2-38 Apr 16/10
2-39 Apr 16/10
2-40 Apr 16/10
2-41 Apr 16/10
2-42 Apr 16/10
2-43 Apr 16/10
2-44 Apr 16/10
3-1 Feb 9/01
3-2 Jul 12/10
3-3 Nov 21/12
3-4 Feb 9/01
3-5 Feb 9/01
3-6 Feb 9/01
3-7 Feb 9/01
3-8 Feb 9/01
PAGE DATE
3-9 Feb 9/01
3-10 Feb 9/01
3-11 Feb 9/01
3-12 Feb 9/01
3-13 Feb 2/04
3-14 Feb 2/04
3-15 Feb 9/01
3-16 Feb 9/01
3-17 Feb 9/01
3-18 Feb 9/01
3-19 Feb 2/04
3-20 Feb 2/04
3-21 Apr 10/02
3-22 Apr 10/02
3-23 Apr 16/10
3-24 Sep 5/03
3-25 Apr 16/10
3-26 Feb 9/01
3-27 Feb 9/01
3-28 Feb 9/01
3-29 Feb 9/01
3-30 Feb 9/01
3-31 Apr 10/02
3-32 Apr 10/02
3-33 Apr 10/02
3-34 Apr 10/02
3-35 Apr 10/02
3-36 Apr 10/02
3-37 Mar 17/05
3-38 Jul 16/15
3-39 Jul 12/10
3-40 Jul 12/10
3-41 Jul 12/10
3-42 Nov 21/12
3-43 Nov 21/12
3-44 Nov 21/12
4-1 May 22/06
4-2 May 22/06
ENSTROM 480B OPERATOR'S MANUAL ix
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
4-3 May 22/06
4-4 May 22/06
4-5 Feb 9/01
4-6 Feb 9/01
4-7 Feb 9/01
4-8 Feb 9/01
4-9 Feb 9/01
4-10 Feb 9/01
4-11 May 22/06
4-12 May 22/06
4-13 May 22/06
4-14 May 22/06
4-15 Feb 9/01
4-16 Feb 9/01
4-17 Apr 11/07
4-18 Apr 11/07
4-19 Feb 2/04
4-20 Feb 2/04
4-21 Apr 11/07
4-22 Apr 11/07
4-23 Feb 9/01
4-24 Feb 9/01
4-25 Feb 9/01
4-26 Feb 9/01
4-27 Nov 21/12
4-28 Feb 9/01
4-29 Feb 9/01
4-30 Feb 9/01
4-31 Feb 9/01
4-32 Feb 9/01
4-33 Feb 9/01
4-34 Feb 9/01
4-35 Feb 9/01
4-36 Feb 9/01
4-37 Feb 9/01
4-38 Feb 9/01
4-39 Feb 2/04
PAGE DATE
4-40 Feb 2/04
4-41 Feb 9/01
4-42 Feb 9/01
4-43 Feb 9/01
4-44 Feb 9/01
4-45 Feb 9/01
4-46 Feb 9/01
5-0-1 Feb 1/08
5-0-2 Feb 1/08
5-1-1 Feb 9/01
5-1-2 Feb 9/01
5-1-3 Apr 16/10
5-1-4 Feb 2/04
5-1-5 Feb 9/01
5-1-6 Feb 9/01
5-1-7 Jul 16/15
5-1-8 Jul 16/15
5-1-9 Feb 9/01
5-1-10 Feb 9/01
5-1-11 Feb 9/01
5-1-12 Feb 9/01
5-1-13 Feb 2/04
5-1-14 Feb 2/04
5-2-1 Sep 5/07
5-2-2 Sep 5/07
5-2-3 Sep 5/07
5-2-4 Sep 5/07
5-2-5 Feb 9/01
5-2-6 Feb 9/01
5-2-7 Feb 9/01
5-2-8 Feb 9/01
5-2-9 Feb 2/04
5-2-10 Feb 2/04
5-3-1 Feb 9/01
5-3-2 Feb 9/01
5-3-3 Feb 9/01
5-3-4 Feb 9/01
x ENSTROM 480B OPERATOR'S MANUAL
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
5-3-5 Feb 9/01
5-3-6 Feb 9/01
5-3-7 Feb 9/01
5-3-8 Feb 9/01
5-3-9 Feb 9/01
5-3-10 Feb 9/01
5-4-1 Feb 9/01
5-4-2 Feb 9/01
5-4-3 Feb 2/04
5-4-4 Jul 16/15
5-4-5 Feb 9/01
5-4-6 Feb 9/01
5-4-7 Feb 9/01
5-4-8 Feb 9/01
5-4-9 Feb 9/01
5-4-10 Feb 9/01
5-5-1 Sep 5/07
5-5-2 Sep 5/07
5-5-3 Sep 5/07
5-5-4 Sep 5/07
5-5-5 Feb 2/04
5-5-6 Feb 2/04
5-5-7 Feb 9/01
5-5-8 Feb 9/01
5-5-9 Feb 9/01
5-5-10 Feb 9/01
5-6-1 May 22/06
5-6-2 May 22/06
5-6-3 Apr 28/16
5-6-4 May 22/06
5-6-5 May 22/06
5-6-6 May 22/06
5-6-7 May 22/06
5-6-8 May 22/06
5-6-9 May 22/06
5-6-10 Jul 16/15
5-7-1 Apr 16/10
5-7-2 Jun 30/04
PAGE DATE
5-7-3 Apr 16/10
5-7-4 Apr 16/10
5-7-5 Apr 16/10
5-7-6 Apr 16/10
5-7-7 Apr 16/10
5-7-8 Apr 16/10
5-7-9 Jun 30/04
5-7-10 Jun 30/04
5-7-11 Apr 16/10
5-7-12 Apr 16/10
5-7-13 Apr 16/10
5-7-14 Apr 16/10
5-7-15 Apr 16/10
5-7-16 Apr 16/10
5-7-17 Apr 16/10
5-7-18 Apr 16/10
5-8-1 May 22/06
5-8-2 May 22/06
5-8-3 May 22/06
5-8-4 Apr 16/10
5-8-5 May 22/06
5-8-6 May 22/06
5-8-7 May 22/06
5-8-8 May 22/06
5-8-9 May 22/06
5-8-10 May 22/06
5-9-1 May 22/06
5-9-2 May 2/19
5-9-3 May 2/19
5-9-4 May 22/06
5-9-5 May 22/06
5-9-6 May 22/06
5-9-7 May 22/06
5-9-8 May 22/06
5-9-9 May 22/06
5-9-10 May 22/06
5-9-11 May 22/06
5-9-12 May 2/19
ENSTROM 480B OPERATOR'S MANUAL xi
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
5-9-13 May 2/19
5-9-14 May 22/06
5-10-1 Feb 1/08
5-10-2 Jan 25/11
5-10-3 Apr 22/08
5-10-4 Apr 22/08
5-10-5 Feb 1/08
5-10-6 Feb 1/08
5-10-7 Feb 1/08
5-10-8 Feb 1/08
5-10-9 Feb 1/08
5-10-10 Apr 22/08
5-10-11 Jan 25/11
5-10-12 Feb 1/08
5-10-13 Feb 1/08
5-10-14 Feb 1/08
5-10-15 Feb 1/08
5-10-16 Feb 1/08
5-10-17 Apr 22/08
5-10-18 Feb 1/08
5-10-19 Feb 1/08
5-10-20 Feb 1/08
5-10-21 Apr 22/08
5-10-22 Apr 16/10
5-10-23 Feb 1/08
5-10-24 Feb 1/08
5-10-25 Feb 1/08
5-10-26 Jan 25/11
5-10-27 Jan 25/11
5-10-28 Jan 25/11
6-1 Jul 3/12
6-2 Feb 9/01
6-3 Feb 9/01
6-4 Feb 9/01
6-5 Apr 10/02
6-6 Jul 3/12
6-7 Jul 3/12
6-8 Jul 3/12
PAGE DATE
6-9 Nov 21/12
6-10 Feb 9/01
6-11 Feb 9/01
6-12 Feb 9/01
6-13 Nov 21/12
6-14 Apr 28/16
6-15 Nov 21/12
6-16 Feb 9/01
6-17 Feb 9/01
6-18 Aug 29/11
6-19 Feb 9/01
6-20 Jun 14/11
6-21 Feb 9/01
6-22 Feb 9/01
6-23 Feb 9/01
6-24 Feb 9/01
6-25 Apr 10/02
6-26 Jun 14/11
7-1 Nov 21/12
7-2 Apr 16/10
7-3 Jul 12/10
7-4 May 2/19
7-4.1 Apr 10/02
7-4.2 Apr 10/02
7-5 Feb 9/01
7-6 Feb 9/01
7-7 Feb 9/01
7-8 Feb 9/01
7-9 Apr 16/10
7-10 Apr 16/10
7-11 Sep 8/04
7-12 Jan 25/11
7-12.1 Jan 25/11
7-12.2 Jan 25/11
7-12.3 Jan 25/11
7-12.4 Jan 25/11
7-13 Jul 12/10
7-14 Jul 12/10
xii ENSTROM 480B OPERATOR'S MANUAL
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
7-15 Jul 12/10
7-15.1 Jul 3/12
7-15.2 Jul 12/10
7-16 Nov 21/12
7-17 Nov 21/12
7-18 Feb 9/01
7-19 Apr 11/07
7-20 Apr 11/07
7-21 Feb 9/01
7-22 Jan 25/11
7-23 Jan 25/11
7-24 Jan 25/11
7-25 Jan 25/11
7-26 Jan 25/11
7-27 Jan 25/11
7-28 Jan 25/11
7-28.1 Jan 25/11
7-28.2 Jan 25/11
7-29 Nov 21/12
7-30 Feb 9/01
7-31 Apr 10/02
7-32 Jul 16/15
7-33 Jan 25/11
7-34 Jan 25/11
7-35 Jan 25/11
7-36 Feb 9/01
7-37 Jul 3/12
7-38 Jul 3/12
7-39 Feb 9/01
7-40 Feb 9/01
7-41 Feb 9/01
7-42 Feb 9/01
7-43 Apr 10/02
7-44 Apr 10/02
7-45 Feb 9/01
7-46 Feb 9/01
7-47 Feb 9/01
PAGE DATE
7-48 Jun 14/11
7-49 Jun 14/11
7-50 Jun 14/11
7-51 Apr 16/10
7-52 Apr 16/10
7-53 Apr 16/10
7-54 Feb 9/01
7-55 Apr 10/02
7-56 Nov 21/12
7-57 Jul 3/12
7-58 Jul 12/10
7-59 Jul 12/10
7-60 May 2/19
7-61 May 2/19
7-62 Apr 10/02
7-62.1 Jan 25/11
7-62.2 Jul 12/10
7-63 Jul 12/10
7-64 Jul 12/10
7-65 Jun 14/11
7-66 Feb 9/01
7-67 Aug 29/11
7-68 Apr 28/16
7-69 Jan 25/11
7-70 Jan 25/11
7-70.1 Jan 25/11
7-70.2 Jan 25/11
7-71 Jan 25/11
7-72 Jan 25/11
7-73 Jul 16/15
7-74 Jul 12/10
7-75 Jul 12/10
7-76 May 2/19
8-1 Aug 11/06
8-2 Aug 11/06
8-3 Sep 5/03
8-4 Jul 16/15
ENSTROM 480B OPERATOR'S MANUAL xiii
LIST OF EFFECTIVE PAGES
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
PAGE DATE
8-5 Aug 10/10
8-6 Aug 10/10
8-7 Feb 9/01
8-8 Feb 9/01
8-9 Feb 9/01
8-10 Feb 9/01
8-11 Aug 11/06
8-12 Jun 14/11
8-12.1 Jun 14/11
8-12.2 Jun 14/11
8-13 Jul 3/12
8-14 Aug 11/06
8-15 Jun 14/11
8-16 Aug 11/06
8-17 Feb 9/01
8-18 Feb 9/01
8-19 Jul 3/12
8-20 Aug 10/10
8-21 Jul 16/15
8-22 Jul 16/15
8-23 Jul 3/12
8-24 Jul 3/12
8-25 Apr 16/10
8-26 Apr 16/10
8-27 Feb 9/01
8-28 Feb 9/01
9-1 Apr 16/10
9-2 Sep 8/04
9-3 Feb 9/01
9-4 Feb 9/01
9-5 Feb 9/01
9-6 Apr 16/10
9-7 Apr 16/10
9-8 Sep 8/04
10-1 Apr 16/10
10-2 Apr 16/10
10-3 Apr 16/10
PAGE DATE
10-4 Apr 16/10
10-5 Apr 16/10
10-6 Apr 16/10
10-7 Apr 28/16
10-8 Apr 16/10
10-9 Apr 16/10
10-10 Apr 16/10
10-11 Apr 16/10
10-12 Apr 16/10
10-13 Apr 28/16
10-14 Apr 28/16
10-15 Apr 16/10
10-16 Apr 16/10
10-17 Apr 28/16
10-18 Apr 28/16
10-19 Apr 16/10
10-20 Apr 16/10
10-21 Apr 16/10
10-22 Apr 16/10
10-23 Apr 16/10
10-24 Apr 16/10
10-25 Apr 16/10
10-26 Apr 16/10
10-27 Apr 16/10
10-28 Apr 16/10
10-29 Apr 16/10
10-30 Apr 16/10
10-31 Apr 16/10
10-32 Apr 28/16
10-33 Apr 28/16
10-34 Apr 28/16
10-35 Apr 28/16
10-36 Apr 28/16
xiv ENSTROM 480B OPERATOR'S MANUAL
Rev. 20
Report No. 28-AC-023 Jul 3/12
INTENTIONALLY LEFT BLANK
ENSTROM 480B OPERATOR’S MANUAL INTRO-3
Rev. 24
Report No. 28-AC-023 May 2/19
INTRODUCTION
INTRO-1. General
This manual contains the operating instructions,
procedures and limitations for the Enstrom 480B
helicopter. The manual is divided into two basic parts, the
FAA approved Rotorcraft Flight Manual (RFM) and
Supplemental Data Provided by The Enstrom Helicopter
Corporation (Enstrom). Chapters 1, 2, 3, 4, and 5 make
up the FAA approved RFM. It is required by Federal
Regulations that this manual be carried in the helicopter
at all times.
Chapter 5, Optional Equipment Supplements, contains the
optional equipment supplements incorporated into this
basic RFM. Refer to the Enstrom Helicopter Corporation
web site and the Technical Support page for a listing of
other approved Enstrom 480B Optional Equipment
Supplements not contained in this basic RFM. The pilot is
responsible for determining if other additional optional
equipment supplements are to be carried in the helicopter.
INTRO-2. Warnings, Cautions, and Notes
Warnings, Cautions, and Notes emphasize important and
critical instructions and are used for the following
conditions:
WARNING
An operating procedure, practice, etc. which,
if not correctly followed, could result in
personal injury or loss of life.
CAUTION
An operating procedure, practice, etc. which,
if not strictly observed, could result in damage
to or destruction of equipment.
INTRO-4 ENSTROM 480B OPERATOR’S MANUAL
Rev. 24
Report No. 28-AC-023 May 2/19
NOTE
An operating procedure, practice, etc., which
is essential and requires additional
information.
INTRO-3. Description
This manual contains the best operating instructions and
procedures for the 480B helicopter under most
circumstances. The observance of limitations,
performance and weight and balance data provided is
mandatory. The observance of procedures is mandatory
except when modification is required because of multiple
emergencies, adverse weather, terrain, etc. Your flying
experience is recognized, and therefore, basic flight
principles are not included. THIS MANUAL SHALL BE
CARRIED IN THE HELICOPTER AT ALL TIMES.
INTRO-4. Table of Contents
The table of contents lists every titled paragraph, figure,
and table contained in this manual.
INTRO-5. Reporting of Errors
Every effort is made to keep this publication current and
error free. However, we cannot correct an error unless we
know of its existence. You are encouraged to report errors,
omissions, and recommendations for improving this
publication by contacting The Enstrom Helicopter
Corporation.
INTRO-6. Explanation of Change Symbols
Except as noted below, changes to the text and tables,
including new material on added pages, are indicated by a
vertical line in the margin. The vertical line will extend
close to the entire area of the material affected. Symbols
show current changes only. Change symbols are not
utilized to indicate changes in the following:
ENSTROM 480B OPERATOR’S MANUAL INTRO-5
Rev. 24
Report No. 28-AC-023 May 2/19
1. Indexes, figures, and tabular data where the
change cannot be readily identified.
2. Blank space resulting from the deletion of text,
illustration, or a table.
3. Correction of minor errors, such as spelling,
punctuation, relocation of material, etc. unless such
correction changes the meaning of the material.
INTRO-7. Use of Words, Shall, Should, and May
Within this technical manual, the word "shall" is used to
indicate a mandatory requirement. The word "should" is
used to indicate a nonmandatory but preferred method of
accomplishment. The word "may" is used to indicate an
acceptable method of accomplishment.
INTRO-6 ENSTROM 480B OPERATOR’S MANUAL
Report No. 28-AC-023 Feb 9/01
INTRO-8. Definitions of Abbreviations
Table INTRO-1 provides definitions for abbreviations used
in this manual. The same abbreviation applies for either
singular or plural applications.
TABLE INTRO-1. LIST OF ABBREVIATIONS
ABBREVIATION DEFINITION
ABS Absolute
AGL Above Ground Level
AH Amp Hour
ALT Altitude
B.L. Butt Line
C Celsius
CAS Calibrated Airspeed
CG Center of Gravity
C.L. Center Line
CONF Configuration
CONT Continuous
END Endurance
F Fahrenheit
FAA Federal Aviation
Administration
FLT Flight
FPM Feet per Minute
F.S. Fuselage Station
FT Foot
FT/MIN Feet per Minute
FWD Forward
ENSTROM 480B OPERATOR'S MANUAL 1-1
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
CHAPTER 1. OPERATING LIMITATIONS
TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
Table of Contents ....................... 1-1
Section I Introduction ............................... 1-3
Paragraph 1-1 Purpose...................................... 1-3
1-2 General ...................................... 1-3
1-3 Operational Limits...................... 1-3
Section II General ...................................... 1-3
Paragraph 1-4 Kinds of Operation ..................... 1-3
1-5 Minimum Crew Requirements .... 1-4
Section III Helicopter & System Limits ........ 1-5
Paragraph 1-6 Instrument Markings ................. 1-5
1-7 Rotor Limitations ....................... 1-5
1-8 Transmission Limits................... 1-5
1-9 Engine Limits ............................. 1-6
1-10 Starter Limits ............................. 1-9
Section IV Operation Limits ...................... 1-17
Paragraph 1-11 Airspeed Limits ........................ 1-17
1-12 Altitude Limits ......................... 1-18
1-13 Load Limits .............................. 1-23
1-14 Maneuvers ............................... 1-23
1-15 Environmental ......................... 1-24
1-16 Restrictions in Use of
Anti-torque Pedals.................... 1-25
1-17 Placards ................................... 1-25
LIST OF FIGURES
FIGURE NO. DESCRIPTION PAGE
1-1 Instrument Markings........................... 1-11
1-2 Maximum Allowable Torque and N2.. 1-16.2
1-3 Airspeed Operating Limits ................... 1-19
1-4 VNE Envelopes...................................... 1-22
1-5 VNE Placards ........................................ 1-27
1-2 ENSTROM 480B OPERATOR'S MANUAL
FAA Approved: May 21/19 Rev. 24
Report No. 28-AC-023 May 2/19
LIST OF TABLES
TABLE NO. DESCRIPTION PAGE
1-1 Kinds of Operation Equipment List.........1-4
Other manuals for 480B
1
Table of contents
Other ENSTROM Toy manuals
ENSTROM
ENSTROM F-28F Series User manual
ENSTROM
ENSTROM TH-28/480 Series User manual
ENSTROM
ENSTROM TH-28 Series Configuration guide
ENSTROM
ENSTROM TH-28/480 Series User manual
ENSTROM
ENSTROM TH-28 Series User manual
ENSTROM
ENSTROM F-28F Series User manual
ENSTROM
ENSTROM F-28F Series Owner's manual
ENSTROM
ENSTROM F-28F Series User manual
ENSTROM
ENSTROM 480 User manual
ENSTROM
ENSTROM 280FX Series Manual
