QUEST DIAGNOSTICS INC

United States · 19 aircraft

✓ 17 of 19 aircraft on the FAA Part 135 list

Fleet age: avg. built 2003 (~24 yrs), range 1995–2010

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Safety record

1 NTSB event since 2008 on 1 of 19 tails

Nov 28, 2018 · N552TC · Accident

Injuries: None · Damage: Minor · Part 91 · Mesa, AZ

NTSB GAA19CA079 ↗

Source: NTSB aviation accident database, data as of Oct 1, 2026. Matched to the tails above by N-number and airframe serial number; an event may predate QUEST DIAGNOSTICS INC's operation of the aircraft.

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Fleet (19 tails on file)

From FAA records. Part 135 = tail appears on the FAA Part 135 operators and aircraft list (dated Oct 13, 2026). Year built from the FAA aircraft registry (Oct 14, 2026). NTSB = events since 2008.

Tail	Type	Built	NTSB	FAA
N288DX	EMB-500-500	2010	None	Part 135
N648DX	EMB-500-500	—	None	Not on list
N899DX	EMB-500-500	2010	None	Part 135
N119QD	PC-12-45	1995	None	Part 135
N120QD	PC-12-45	1995	None	Part 135
N149QD	PC-12-45	1996	None	Part 135
N338QD	PC-12-45	2000	None	Part 135
N399SA	PC-12-45	2001	None	Part 135
N412MD	PC-12-45	—	None	Not on list
N453PC	PC-12-45	2002	None	Part 135
N465QD	PC-12-45	2002	None	Part 135
N546PB	PC-12-45	2004	None	Part 135
N552TC	PC-12-45	2002	1 event	Part 135
N567QD	PC-12-45	2004	None	Part 135
N589QD	PC-12-45	—	None	Part 135
N636QD	PC-12-45	2005	None	Part 135
N88QD	PC-12-45	2002	None	Part 135
N687QD	PC-12-47	2006	None	Part 135
N758QD	PC-12-47	2006	None	Part 135