VTCC → OYSN
Chiang Mai, Thailand to Sana'a, Yemen
Route Airports
Country Permit Flags
Key requirements for origin and destination countries. Full checklists on each country page.
Thailand
Full details →- AOC
- Not required
- Prepayment
- Not required
- FIR Routing
- Not required
- PIC Name
- Not required
Yemen
Full details →- AOC
- Not required
- Prepayment
- Not required
- FIR Routing
- Not required
- PIC Name
- Not required
Frequently Asked Questions
What is the great-circle distance from VTCC to OYSN in nautical miles?
The great-circle distance from VTCC (Chiang Mai, Thailand) to OYSN (Sana'a, Yemen) is approximately 3136 NM (5807 km). This is the direct track distance; actual flight distance will vary with routing and ATC.
What overflight and landing permits are required on the VTCC to OYSN route?
Landing permits are required for both Thailand and Yemen. Additionally, overflight clearances are required for every sovereign airspace transited on the filed routing — not just origin and destination. For a non-direct track, this typically means several additional country permits that are not shown in the country flags above. Assess your full routing against NOTAM and current permit status for each FIR transited.
1FLT Trip Support
Everything the VTCC–OYSN route requires, handled.
Landing permits, overflight clearances, ground handling, jet fuel, and direct cargo capacity on owned A320P2F freighters - one team, one consolidated invoice.
Plan this route with 1FLT
Permits, ground handling, fuel, and cargo charter for Chiang Mai to Sana'a.