AD 68-16-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/R-522 | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A/S-522 | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/R | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A/RA | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 400A | Airworthiness Directives; HAWKER SIDDELEY Model DH- 125 Airplanes |
Unsafe Condition
Engine flameouts during icing conditions
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a placard on the flight instrument panel in clear view of the pilot reading: 'TURN ENGINE RELIGHT SWITCH ON WHEN OPERATING ENGINE ANTI-ICING SYSTEM.'
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 15 hours' time in service after the effective date of this AD, or before further flight into known or predicted icing conditions, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
HAWKER SIDDELEY Model DH-125 airplanes of all Series
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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