AD 2006-12-20

final rule
Data completeness: 80%

Airworthiness Directives; Raytheon Model HS.125 Series 700A and 700B Airplanes; Model BAe.125 Series 800A (Including Variants C-29A and U-125), 800B, 1000A, and 1000B Airplanes; and Hawker 800 (Including Variant U-125A), 800XP, and 1000 Airplanes

AD Number
2006-12-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2006-25011
FR Citation
71 FR 34790

Applicability

TypeManufacturerModelDetails
aircraft Raytheon HS Airworthiness Directives; Raytheon Model HS.125 Series 700A and 700B Airplanes; Model BAe.125 Series 800A (Including Variants C-29A and U-125), 800B, 1000A, and 1000B Airplanes; and Hawker 800 (Including Variant U-125A), 800XP, and 1000 Airplanes

Unsafe Condition

Certain current limiters, part number UAM100, have opened within two to four hours after installation, potentially leading to loss of all primary electrical power.

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

Required Actions

Measure the resistance of the current limiters for the PE, PS1, and PS2 busses. Replace a current limiter with a new part if necessary. Report certain information to the airplane manufacturer. A records review may exempt airplanes from the required measurement if specific conditions are met.

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

Compliance Time

Before further flight

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

Affected Aircraft

Raytheon Model BAe.125 Series 800A (including variants C-29A and U-125), 800B, 1000A, and 1000B airplanes; Model Hawker 800 (including variant U-125A) and 1000 airplanes; and certain Raytheon Model HS.125 Series 700A and 700B airplanes and Model Hawker 800XP airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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