AD 2005-25-08

final rule
Data completeness: 80%

Airworthiness Directives; Shadin ADC-2000 Air Data Computers

AD Number
2005-25-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2005-21787
FR Citation
70 FR 73355

Unsafe Condition

Shadin ADC-2000 units, part numbers 962830A-1-S-8, 962830A-2-S-8, and 962830A-3-S-8, configurations B, C, and D, display incorrect altitude information on the Electronic Flight Information System (EFIS) due to pressure transducer output drift over time.

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

Required Actions

Replace affected ADC-2000 units with a modified unit.

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

Compliance Time

Within 25 flight hours after the effective date.

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

Affected Aircraft

Shadin ADC-2000 air data computers, part numbers 962830A-1-S-8, 962830A-2-S-8, and 962830A-3-S-8, configurations B, C, and D, installed on 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗