Table 12. Engine time between overhaul (TBO)

제작사	모델	HRS	Remarks
Continental	IOF-240–B	2,000	12year
	IO-360-ES	2,000	12year
Jabiru	2200A	2,000	Top(1000)
	3300A
Lycoming	IO-360-L2A	2,000	월 40시간 이상 사용시 200HR 추가
	IO-360-M1A	2,000
Rotax	912UL	초기생산 600(10)이후 생산 1,200,1,500최신 생산 2,000(15)
	912ULS

Teledyne Continental Motors (2003), Jabiru Aircraft Pty Ltd (2025), BRP-Powertrain GmbH & CO KG (2009), Lycoming (2020).