AD 71-19-06

final rule

Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes

AD Number
71-19-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 2A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 5A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 5BA Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 6A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 6BA Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 7A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 7AXC Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 8A Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 8AXC Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes

Unsafe Condition

Failure of the escape hatch lock mechanism to release could prevent opening the emergency escape hatches from outside the airplane.

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

Required Actions

Check operation of each escape hatch lock mechanism by turning the external handle with the internal handle stowed. Secure inoperable lock mechanisms to the escape hatch per Hawker Siddeley Technical News sheet CT(104) No. 222 or FAA-approved equivalent. Secure all lock mechanisms within 100 hours time in service after AD effective date if not already done.

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

Compliance Time

Before further flight (for checks and repairs), within 100 hours time in service after the effective date (for securing all lock mechanisms).

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

Affected Aircraft

Hawker Siddeley Model DH-104 'Dove' Series airplanes: D.H. 104 Dove Series 1A, 2A, 5A, and others as listed.

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

Federal Register Abstract

Escape Hatch Lock Check

Applicability Source Text

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AD Number:
71-19-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
Subject:
Escape Hatch Lock Check
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/21/1971
Make:
de Havilland Aircraft Co., Ltd., The
Model:
D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more
Product Type:
Aircraft
Product Subtype:
Small 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: 71-19-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1294

AD NUMBER:   71-19-06

SUBJECT HEADING:   Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 21, 1971.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
71-19-06 HAWKER SIDDELEY: Amdt. 39-1294. Applies to Model DH-104 "Dove" airplanes.

Compliance is required as indicated.

To ensure that the emergency escape hatches (P/N's 4FS.835A/I and 4FS.835A/2) can be opened from outside the airplane accomplish the following:

(a) Before further flight check the operation of each escape hatch lock mechanism by turning the external handle with the internal handle in the stowed position. The check required by this paragraph may be performed by the pilot.

(b) If an escape hatch lock mechanism is found to be inoperable during the check required by paragraph (a), before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repairs can be performed, secure the inoperable lock mechanism to the escape hatch in accordance with Hawker Siddeley Technical News sheet Series: CT(104) No. 222, Issue 1, dated March 15, 1971, or an FAA approved equivalent.

(c) Within the next 100 hours time in service after the effective date of this AD, unless already accomplished, secure the lock mechanism to each escape hatch in accordance with Hawker Siddeley Aviation, Ltd., Technical News Sheet Series: CT(104) No. 222, Issue 1, dated March 15, 1971, or an FAA-approved equivalent.

This amendment becomes effective September 21, 1971.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_71-19-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
71-19-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes
Subject:
Escape Hatch Lock Check
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/21/1971
Make:
de Havilland Aircraft Co., Ltd., The
Model:
D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more
Product Type:
Aircraft
Product Subtype:
Small 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: 71-19-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1294

AD NUMBER:   71-19-06

SUBJECT HEADING:   Airworthiness Directives; Hawker Siddeley Model DH-104 "Dove" Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 21, 1971.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
71-19-06 HAWKER SIDDELEY: Amdt. 39-1294. Applies to Model DH-104 "Dove" airplanes.

Compliance is required as indicated.

To ensure that the emergency escape hatches (P/N's 4FS.835A/I and 4FS.835A/2) can be opened from outside the airplane accomplish the following:

(a) Before further flight check the operation of each escape hatch lock mechanism by turning the external handle with the internal handle in the stowed position. The check required by this paragraph may be performed by the pilot.

(b) If an escape hatch lock mechanism is found to be inoperable during the check required by paragraph (a), before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repairs can be performed, secure the inoperable lock mechanism to the escape hatch in accordance with Hawker Siddeley Technical News sheet Series: CT(104) No. 222, Issue 1, dated March 15, 1971, or an FAA approved equivalent.

(c) Within the next 100 hours time in service after the effective date of this AD, unless already accomplished, secure the lock mechanism to each escape hatch in accordance with Hawker Siddeley Aviation, Ltd., Technical News Sheet Series: CT(104) No. 222, Issue 1, dated March 15, 1971, or an FAA-approved equivalent.

This amendment becomes effective September 21, 1971.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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