Aircraft Scheduled Airframe Maintenance and Downtime Integrated Cost Model

Table 2

Typical maintenance check intervals for different aircraft types, adapted from Eurocontrol [4]. Multiple sources, including Aircraft Technology Engineering & Maintenance, Aircraft Commerce and Boeing AERO.

Aircraft	A check	B check	C check	D check
B737-300	275 FH	825 FH	18 MO	48 MO
B737-400	275 FH	825 FH	18 MO	48 MO
B737-500	275 FH	825 FH	18 MO	48 MO
B737-800	500 FH	n/a	4000–6000 FH	96–144 MO
B757-200	500–600 FH	n/a	18 MO/6000 FH/3000 FC	72 MO
B767-300ER	600 FH	n/a	18 MO/6000 FH	72 MO
B747-400	600 FH	n/a	18 MO/7500 FH	72 MO
A319	600 FH	n/a	18–20 MO/6000 FH/3000 FC	72 MO
A320	600 FH	n/a	18–20 MO/6000 FH/3000 FC	72 MO
A321	600 FH	n/a	18–20 MO/6000 FH/3000 FC	72 MO
ATR42-300	300–500 FH	n/a	3000–4000 FH	96 MO
ATR72-200	300–500 FH	n/a	3000–4000 FH	96 MO