FLIGHT MANUAL BK 117 D-3
KAWASAKI BK117 · Flight Manual Supplement
Overview
This document is a flight manual supplement for the Kawasaki BK117 D-3, detailing temporary revisions and updates to the flight manual. It includes change instructions, environmental limitations, and operational procedures related to the Inlet Barrier Filter System.
- Temporary Revision No. 1 was issued on DEC 20, 2021.
- Flight in certain environmental conditions is prohibited.
- The Inlet Barrier Filter (IBF) must be set to NORM before engine start in specific weather conditions.
- Performance charts must be used when the IBF CLOG TREND advisory appears.
- Flight crews must be informed of the content of the Flight Manual Revision.
- Do not discard pages with effectivity statements unless certain they will never apply.
- Takeoff and landing in blowing snow conditions are possible if completed within 1 minute.
- Icing of the IBF may occur before visible signs of icing on the aircraft.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at regulations.gov. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Flight Manual Supplement
- Year ·
- 2021
- File size ·
- 71 KB
- Copy found at ·
- regulations.gov
- Language ·
- en
Specifications & performance
Extracted from this document.
Specifications
- Max air temp c ·
- ISA + 35°C (max. + 50°C)
- Min air temp open c ·
- -45°C
- Min air temp closed c ·
- -25°C
Performance
- Hover time min ·
- 1
- Visibility min m ·
- 1500
What is the FLIGHT MANUAL BK 117 D-3?
The FLIGHT MANUAL BK 117 D-3 is a flight manual supplement for the KAWASAKI BK117, dated 2021.
What year was the FLIGHT MANUAL BK 117 D-3 published?
The FLIGHT MANUAL BK 117 D-3 — the KAWASAKI BK117 flight manual supplement on file — is dated 2021.
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- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Change Instructions
Instructions for removing and inserting pages affected by the temporary revision, including a note on effectivity features.
Revision Highlights
Summary of changes made in the temporary revision, including updates to environmental conditions and procedures.
Environmental Conditions
Prohibitions on flight in specific weather conditions, including falling snow and icing.
Inlet Barrier Filter System
Details on the operation and limitations of the IBF, including definitions of terms and environmental operating limitations.
White Advisories
Procedures to follow when the IBF CLOG TREND advisory appears during flight.
Inadvertent Entry in Icing Conditions
Procedures to vacate if inadvertently entering icing conditions or reduced visibility due to falling snow/sleet.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Safety notes
- Flight in falling snow or sleet with visibility less than 1500 m is prohibited.
- Hover or flight in blowing snow for longer than 1 minute is prohibited.
- Flight in fog/clouds with visibility less than 800 m and OAT below -5°C is prohibited.
- Flight in icing or ice crystals conditions is prohibited.
- Do not open the IBF bypass unless the caution appears.
- Icing of the IBF may occur before other signs of icing are visible.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Full document text
FLIGHT MANUAL BK 117 D-3 Page 1 of 2 To: All holders of Flight Manual BK 117 D-3 CHANGE INSTRUCTIONS FLIGHT MANUAL BK 117 D-3 Temporary Revision No. 1; DEC 20, 2021 Change procedure: 1. Remove/insert all pages affected by this revision in accordance with the attached filing list. Pages having an entry in the EFFECTIVITY column may exist in two or more different versions. The EFFECTIVITY feature on the page heading/footer indicates which page applies to your particular helicopter configuration. Check the EFFECTIVITY features of each sheet (front and back page) and determine which sheet applies to your helicopter. Insert that sheet in the binder. Discard only those sheets which do not apply. NOTE Do not discard pages having an effectivity statement, e.g. “After SB ...−...” that at present may not apply to the helicopter unless however, it is absolutely certain that the stated Service Bulletin will never be incorporated, or any other stated condition will never apply. 2. Confirm the completion in the RECORD OF TEMPORARY REVISIONS (page ROTR -1) by entering the date and your signature. FLIGHT MANUAL BK 117 D-3 Page 2 of 2 Revision Highlights: NOTE The content of the Flight Manual Revision must be brought to the attention of the flight crews. Section Para & Title Description of Change LOTR − Changed to reflect this temporary revision LETRP − Changed to reflect this temporary revision, (marked with R or N or D) 9.2 FMS 9.2−5 Inlet barrier filter system Temporary Revision 1 DEC 20, 2021 2.1 ENVIRONMENTAL CONDITIONS Warning text update 3.3 INADVERTENT ENTRY IN SNOW OR ICING CONDITIONS Procedure changed FILING LIST Sheets to be inserted Temp.Rev.No. Effectivity Place of insertion P R E L I M I N A R Y P A G E S LOTR-1 / (LOTR-2 blank) 1/- − after LOR LETRP-1 / (LETRP-2 blank) 1/- − after LEP Section 9.2−5 page 9.2-5 -8 1 − after page 9.2-5 -8 page 9.2-5 -13 1 − before page 9.2-5 -13 LOG OF TEMPORARY REVISIONS FLIGHT MANUAL BK 117 D-3 APPROVED Temp. Rev. 1 LOTR - 1/(LOTR - 2 blank) LOG OF TEMPORARY REVISIONS TEMP. REV 1 (see entry below) FIRST ISSUE TEMPORARY REVISION 1 EASA approved Date: DEC 20, 2021 EASA approval no.: 10078019 Temporary Revision Temporary Revision FLIGHT MANUAL BK117 D-3 LIST OF EFFECTIVE TEMPORARY REVISION PAGES L E T R P 1/(L E T R P 2 blank) APPROVED Temp. Rev. 1 LIST OF EFFECTIVE TEMPORARY REVISION PAGES NOTE N, R, or D indicate pages which are New, Revised or Deleted respectively. Remove and dispose of superseded pages, insert the latest temporary revision pages and complete the Record of Temporary Revisions as necessary. The column “Approved by” which is only shown for approved pages shows either the approving authority (e.g. EASA) or, in case of minor changes according to DOA ref. EASA.21J.700, “DOA”. Page Appr. by Temp Rev No. Remarks/ Effectivity N LOTR 1 EASA 1 Log of Temp. Revisions N LETRP 1 EASA 1 List of Effective Temp. Rev. Pages Page Appr. by Temp Rev No. Remarks/ Effectivity Section 9 N 9.2-5 -8 EASA 1 N 9.2-5 -13 EASA 1 Temporary Revision Temporary Revision INLET BARRIER FILTER SYSTEM FLIGHT MANUAL BK 117 D-3 9.2-5 − 8 APPROVED Temp. Rev. 1 1 GENERAL The information contained herein supplements the information in the basic Flight Manual. For limitations, procedures, and performance data not contained in this Supplement, refer to the basic Flight Manual. 1.1 DEFINITION OF TERMS CLEAN BYPASS CLOSED: − Both bypass doors closed and both clogging indications below 40% CLOG TREND BYPASS CLOSED: − One or both bypass doors closed and one or both clogging indicators equal or above 40% (white advisory IBF CLOG TREND indicated on FND ML) BYPASS OPEN: − Both bypass doors open − In case of OEI, both bypass doors open automatically ALL IBF OPERATING STATES: − Applies to CLEAN BYPASS CLOSED, CLOG TREND BYPASS CLOSED and BYPASS OPEN 2 LIMITATIONS 2.1 ENVIRONMENTAL CONDITIONS Flight in the following environmental conditions is prohibited: − Flight in falling snow or sleet with visibility due to snow/sleet less than 1500 m; − Hover or flight in blowing snow for longer than 1 minute; − Flight in fog/clouds when visibility is less than 800 m and OAT is 5C; − Flight in icing or ice crystals conditions. The IBF shall be selected to NORM before engine start, when falling or blowing snow/sleet is possible, latest if falling/blowing snow/sleet conditions are entered. NOTE Icing of the IBF may occur before other signs of icing are visible on the aircraft. Blowing snow is snow that is lifted up by the rotorcraft downwash or wind and that is ingested by the engines. Takeoff and landing in blowing snow conditions are possible, when the maneuver can be completed within 1 minute. 2.2 ALTITUDE AND ENVIRONMENTAL OPERATING LIMITATIONS 2.2.1 OAT Maximum air temperature (all IBF operating states) ISA + 35C . . . . . . . . . . . . . . . . . . . . . . (max. + 50C) Minimum air temperature (one or both bypass door(s) closed) − 25C . . . . . . . . . . . . . . . . . Minimum air temperature (both bypass doors open) − 45C . . . . . . . . . . . . . . . . . . . . . . . . . . Temporary Revision Temporary Revision Temporary Revision INLET BARRIER FILTER SYSTEM FLIGHT MANUAL BK 117 D-3 9.2-5 − 13 APPROVED Temp. Rev. 1 3.2 WHITE ADVISORIES IBF CLOG TREND Conditions/Indications − The IBF CLOG TREND advisory will appear when the pressure threshold of 40% clogging is exceeded for at least one IBF. Procedure 1. Performance charts for a degraded filter (”CLOG TREND BYPASS CLOSED”) shall be used. 2. Continue flight 3.3 INADVERTENT ENTRY IN ICING CONDITIONS OR FALLING SNOW/SLEET < 1500 M VISIBILITY Conditions/Indications − Icing conditions are entered inadvertently, or − visibility in falling snow/sleet reduces below 1500 m. NOTE Do not open the IBF bypass unless the caution appears. Procedure 1. Icing conditions or falling snow/sleet <1500 m visibility − Vacate without delay Temporary Revision