AD 80-09-03 R1

final rule

Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes

AD Number
80-09-03 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. 100 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. 200 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. 200C Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. 200T Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. A100 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. A200 (C-12A) Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. A200 (C-12C) Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. B100 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. B90 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. C90 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. E90 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
aircraft Textron Aviation Inc. H90 Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes

Unsafe Condition

Seizure and binding of the oxygen control cable due to freezing of contaminating moisture which will interfere with actuation of the oxygen system.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Locally fabricate and install placards with specified text in clear view of the pilot, insert a copy of the AD in the AFM Limitation Section, and record compliance. Compliance may be done by a Part 61 pilot with a maintenance record entry. Placards and AD copy may be removed after modifying per Beechcraft Service Instructions No. 0867-341, Revision II, Part I.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 50 hours time-in-service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Beech Models B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 with specific serial ranges as listed in GROUP I and II of the applicability statement.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Placard -Oxygen

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
80-09-03 R1
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
Subject:
Placard -Oxygen
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/11/1980
Make:
Textron Aviation Inc.
Model:
100 | 200 | 200C | 200T | A100 | A200 (C-12A) | A200 (C-12C) | B100 | B90 | C90 | E90 | H90
Product Type:
Aircraft
Product Subtype:
Small/Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-09-03 R1
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3807

AD NUMBER:   80-09-03 R1

SUBJECT HEADING:   Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 11, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-09-03 R1 BEECH: Amendment 39-3759 as amended by Amendment 39-3807. Applies to the following models and serial numbers of airplanes certificated in all categories having a Beech installed oxygen system:

GROUP I
MODEL	SERIAL NUMBERS
B90	LJ-490 thru LJ-501
C90	LJ-502 thru LJ-667
E90	LW-1 thru LW-326
H90 (Military T-44A)	LL-1 thru LL-53
200	BB-2, BB-6 thru BB-185, BB- 187 thru
BB-202, BB-204 thru BB-269, BB-271
thru BB-407, BB-409 thru BB- 468,
BB-470 thru BB-482, BB-483 thru
BB-488, BB-490 thru BB-509, BB-511
thru BB-518.
200T	BT-1 thru BT-7
200C	BL-1 and BL-2
A200 (Military C-12A)	BC-1 thru BC-61 and BD-1 thru BD-30
A200 (Military C-12C)	BC-62 thru BC-71

GROUP II

MODEL	SERIAL NUMBER
C90	LJ-668 thru LJ-851
100	B-2 thru B-89 and B-93
A100	B-1, B-90 thru B-92, B-94, B- 100
thru B-247, except B-205
A100 (Military U-21F)	B-95 thru B-99
B100	BE-1 thru BE-70

COMPLIANCE: Required as indicated, unless previously accomplished.

To prevent seizure and binding of the oxygen control cable due to freezing of contaminating moisture which will interfere with actuation of the oxygen system, within the next 50 hours time-in-service after the effective date of this AD, accomplish the following:

A) On airplanes listed in GROUP I of the applicability statement, locally fabricate, using letters at least 3/32" high, and install in clear view of the pilot, a placard which reads as follows:

"Flight above 25,000 feet prohibited unless the oxygen system is ARMED (ON)." and operate the airplane in accordance with this limitation.

B) On airplanes listed in Group II of the applicability statement, locally fabricate, using letters at least 3/32" high, and install in clear view of the pilot, a placard which reads as follows:

"Flight above 25,000 feet prohibited unless the occupants are using oxygen" and operate the airplane in accordance with this limitation.

C) Install a copy of the AD in the Limitation Section of the AFM of the airplanes listed in Group I and Group II of the applicability statement.

D) The installation of the required placard and insertion of this AD may be accomplished by the holder of a pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by that person, who must make an entry in the airplane maintenance records indicating compliance with this AD.

E) The placards specified herein may be removed from the airplane and a copy of the AD removed from the AFM upon modification of the airplane in accordance with Beechcraft Service Instructions No. 0867-341, Revision II, Part I, and recording of compliance with this paragraph in the airplane maintenance records.

NOTE: The Beech Model H90 (Military T-44A), A100 (Military U-21F, S/N B-95 through B-99) and A200 (Military C-12A and C-12C) airplanes utilize P/N 90-384020-7, P/N 90- 384020-9 and P/N 90-384020-11, respectively, as replacement oxygen cable assemblies. These military airplanes and P/N 90-384020-11 cable assembly are not listed in Beechcraft Service Instruction No. 0867-341, Revision II. However, the replacement cable assemblies may be installed in these airplanes in accordance with said Service Instructions if removal of the placards is desired.

F) Any equivalent method of compliance must be approved by the Chief, Aircraft Certification Program, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209.

Amendment 39-3759 became effective May 1, 1980.

This Amendment 39-3807 becomes effective June 11, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-09-03_R.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
80-09-03 R1
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes
Subject:
Placard -Oxygen
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/11/1980
Make:
Textron Aviation Inc.
Model:
100 | 200 | 200C | 200T | A100 | A200 (C-12A) | A200 (C-12C) | B100 | B90 | C90 | E90 | H90
Product Type:
Aircraft
Product Subtype:
Small/Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-09-03 R1
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3807

AD NUMBER:   80-09-03 R1

SUBJECT HEADING:   Airworthiness Directives; Beech Model B90, C90, E90, H90, 200, 200T, 200C, A200, 100, and A100 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 11, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-09-03 R1 BEECH: Amendment 39-3759 as amended by Amendment 39-3807. Applies to the following models and serial numbers of airplanes certificated in all categories having a Beech installed oxygen system:

GROUP I
MODEL	SERIAL NUMBERS
B90	LJ-490 thru LJ-501
C90	LJ-502 thru LJ-667
E90	LW-1 thru LW-326
H90 (Military T-44A)	LL-1 thru LL-53
200	BB-2, BB-6 thru BB-185, BB- 187 thru
BB-202, BB-204 thru BB-269, BB-271
thru BB-407, BB-409 thru BB- 468,
BB-470 thru BB-482, BB-483 thru
BB-488, BB-490 thru BB-509, BB-511
thru BB-518.
200T	BT-1 thru BT-7
200C	BL-1 and BL-2
A200 (Military C-12A)	BC-1 thru BC-61 and BD-1 thru BD-30
A200 (Military C-12C)	BC-62 thru BC-71

GROUP II

MODEL	SERIAL NUMBER
C90	LJ-668 thru LJ-851
100	B-2 thru B-89 and B-93
A100	B-1, B-90 thru B-92, B-94, B- 100
thru B-247, except B-205
A100 (Military U-21F)	B-95 thru B-99
B100	BE-1 thru BE-70

COMPLIANCE: Required as indicated, unless previously accomplished.

To prevent seizure and binding of the oxygen control cable due to freezing of contaminating moisture which will interfere with actuation of the oxygen system, within the next 50 hours time-in-service after the effective date of this AD, accomplish the following:

A) On airplanes listed in GROUP I of the applicability statement, locally fabricate, using letters at least 3/32" high, and install in clear view of the pilot, a placard which reads as follows:

"Flight above 25,000 feet prohibited unless the oxygen system is ARMED (ON)." and operate the airplane in accordance with this limitation.

B) On airplanes listed in Group II of the applicability statement, locally fabricate, using letters at least 3/32" high, and install in clear view of the pilot, a placard which reads as follows:

"Flight above 25,000 feet prohibited unless the occupants are using oxygen" and operate the airplane in accordance with this limitation.

C) Install a copy of the AD in the Limitation Section of the AFM of the airplanes listed in Group I and Group II of the applicability statement.

D) The installation of the required placard and insertion of this AD may be accomplished by the holder of a pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by that person, who must make an entry in the airplane maintenance records indicating compliance with this AD.

E) The placards specified herein may be removed from the airplane and a copy of the AD removed from the AFM upon modification of the airplane in accordance with Beechcraft Service Instructions No. 0867-341, Revision II, Part I, and recording of compliance with this paragraph in the airplane maintenance records.

NOTE: The Beech Model H90 (Military T-44A), A100 (Military U-21F, S/N B-95 through B-99) and A200 (Military C-12A and C-12C) airplanes utilize P/N 90-384020-7, P/N 90- 384020-9 and P/N 90-384020-11, respectively, as replacement oxygen cable assemblies. These military airplanes and P/N 90-384020-11 cable assembly are not listed in Beechcraft Service Instruction No. 0867-341, Revision II. However, the replacement cable assemblies may be installed in these airplanes in accordance with said Service Instructions if removal of the placards is desired.

F) Any equivalent method of compliance must be approved by the Chief, Aircraft Certification Program, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209.

Amendment 39-3759 became effective May 1, 1980.

This Amendment 39-3807 becomes effective June 11, 1980.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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