| 41. | Most boats are locally made and lack navigational aids.
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| 42. | The navigational aids and runway were upgraded in 2007.
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| 43. | The lighthouse is therefore still an active navigational aid.
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| 44. | He and his crew had practiced for such a failure and had backup navigational aids.
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| 45. | _Navigational aids that tap signals from super-accurate geopositioning satellites and display maps on full-color screens.
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| 46. | Modified funnels and navigational aids had also to be provided before they could enter service.
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| 47. | Navigational aids, human factor key safety aspects in Straits,
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| 48. | Occasionally the " Siyay " performs navigational aid maintenance.
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| 49. | This template creates a box listing the families of Lepidoptera and provides a navigational aid.
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| 50. | Navigational aids at Pondicherry include an Aerodrome beacon.
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