Htvl is a related term of ptol.
As an acronym ptol is
(aviation) p'oint]] '''t'''ake-'''o'''ff and [[landing|' l anding.
htvl
Not English
Htvl has no English definition. It may be misspelled. ptol
Acronym
(Acronym)
(head)
(aviation) P'oint]] '''T'''ake-'''O'''ff and [[landing, ' L anding
Usage notes
PTOL is a specialized form of VTOL for UAVs that may include arrested recovery and assisted take-off. (VTOL usually is unassisted in these two aspects)
Coordinate terms
* VTOL
* STOL
* SVTOL, , VSTOL
* STOVL
* VTOSL
* CTOL
* CATOBAR
* STOBAR
* HTOL
Related terms
* VTVL
* VTHL
* HTVL
* HTHL
* HVTL, VHTL,
See also
* RATO
* JATO
* CATO
* ATO
* ZLL, ZLTO 