AD 2001-14-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; General Aviation Aircraft Equipped With Certain UPS Aviation Technologies, Inc., Model Apollo SL30 Very-High-Frequency Navigation/Communication (VHF NAV/COMM) Radios |
Unsafe Condition
Incorrect radial bearing information provided by UPS Aviation Technologies, Inc., Model Apollo SL30 VHF NAV/COMM radios using DSP Software Version Number 1.00, which can lead to inaccurate navigation information.
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Required Actions
Determine the version of software being used by the UPS Aviation Technologies, Inc., Model Apollo SL30 VHF NAV/COMM radio. If the radio is using DSP Software Version Number 1.00, install a placard to prohibit use of the radio's VOR function for navigation.
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Compliance Time
Before further flight
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Affected Aircraft
General Aviation aircraft equipped with UPS Aviation Technologies, Inc., Model Apollo SL30 VHF NAV/COMM radios having part number 430-6040-300 or 430-6040-301.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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