Volendo chiarire tutto il problema, la vera natura dello stesso è legata alla compilazione di un flight log….
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\begin{table}[ht]
\centering
\footnotesize
\begin{tabular}{|p{30mm}|p{20mm}|p{24mm}|p{20mm}|p{20mm}|p{20mm}|}
\multicolumn{1}{l}{Marche} & \multicolumn{1}{c}{Airplane} & \multicolumn{1}{c}{Consumo l/t}
& \multicolumn{1}{c}{Total fuel l} & \multicolumn{1}{c}{Autonomia t} & \multicolumn{1}{c}{Autonomia Nm}
\\
\hline
\multicolumn{1}{|l|}{} & \multicolumn{1}{l|}{}
& \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{}
& \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{}
\\
\multicolumn{1}{|l|}{} & \multicolumn{1}{l|}{}
& \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{}
& \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{}
\\
\hline
\multicolumn{1}{c}{} & \multicolumn{1}{c}{}
& \multicolumn{1}{c}{} & \multicolumn{1}{c}{}
& \multicolumn{1}{c}{} & \multicolumn{1}{c}{}
\\
\multicolumn{1}{l}{place \& QNH} & \multicolumn{1}{c}{min altitude}
& \multicolumn{1}{c}{stop orario} & \multicolumn{1}{c}{}
& \multicolumn{1}{c}{} & \multicolumn{1}{c}{}
\\
\cline{1-3}
& \multicolumn{1}{c|}{}
& \multicolumn{1}{c|}{}
& \multicolumn{1}{c}{durata}
& \multicolumn{1}{c}{Rm $\downarrow$}
& \multicolumn{1}{c}{Rm $\uparrow$}
\\
\cline{4-6} {\large \bf LIEE}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 13'}} & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 1'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 035}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 215}}
\\
\cline{4-6} {\large \bf SESTU} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 2'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 035}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 215}}
\\
\cline{4-6} {\large \bf SERDIANA} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 6'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 355}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 175}}
\\
\cline{4-6} {\large \bf SENORBÌ} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 7'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 330}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 150}}
\\
\cline{4-6} {\large \bf BARUMINI} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 12'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 305}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 125}}
\\
\cline{4-6} {\large \bf ORISTANO} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 1'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 090}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 270}}
\\
\cline{4-6} {\large \bf LIER}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 36'}} & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 18'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 338}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 158}}
\\
\cline{4-6} {\begin{minipage}{20mm}\large \bf CAPO \\ MARARGIU\end{minipage}} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 7'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 338}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 158}}
\\
\cline{4-6} {\large \bf ALGHERO} & & & & & \\
\cline{1-3} & &
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 2'}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 360}}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 180}}
\\
\cline{4-6} {\large \bf LIEA}
& \multicolumn{1}{c|}{\raisebox{2mm}{\huge 87'}}
& \multicolumn{1}{c|}{} & \multicolumn{1}{c}{}
& \multicolumn{1}{c}{} & \multicolumn{1}{c}{}
\\
\cline{1-3}
\end{tabular}
%\caption{Tratta Cagliari – Oristano – Alghero.}
\end{table}
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Vorrei insomma rendere omogenee le caselle per quanto riguarda l’ampiezza ma soprattutto centrare verticalmente il contenuto delle stesse….. Grazie… 😀