Cessna Citation M2

CitationJet/CJ series/M2
A midsized 525A CJ2, gear and flaps extended
Role	Business Jet
National origin	United States
Manufacturer	Cessna
First flight	29 April 1991
Status	Active, In production
Produced	1991-present
Number built	1800+
Unit cost	M2 : US$ 4,500,000 (2015) CJ2+ : US$ 7,044,000 (2012) CJ3+ : US$ 7,995,000 CJ4 : US$ 8,995,000 (2015)
Developed into	Cessna 526 CitationJet

The Cessna CitationJet/M2/CJ series (Model 525) are light business jets part of the Cessna Citation family, built by the Cessna Aircraft Company in Wichita, Kansas. Its variants are marketed under the CJ, CJ1, CJ1+, M2, CJ2, CJ2+, CJ3, CJ3+, CJ4 and CJ4+ names.

The CitationJet is a low-wing cantilever monoplane with retractable trailing-link tricycle landing gear, a pressurized cabin, a T-tail, and is powered by two Williams FJ44 turbofan engines that are pylon mounted on the rear fuselage. Basically an all new aircraft, the CitationJet used a modified version of the Citation's forward fuselage, but with a new supercritical laminar flow wing, and a new T-tail configured tailplane. It features EFIS avionics and single pilot certification. The CitationJet's fuselage is 11 inches (27 cm) shorter than the Citation I's, but has a lowered center aisle for increased cabin height.

The GE Honda HF120 engine is offered as a retrofit to the CJ/CJ1/CJ1+.

In 2011, the Federal Aviation Administration temporarily grounded the CJ4 and issued an airworthiness directive because of fires in the original Lithium-ion battery equipment:

We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Model 525C airplanes. This emergency AD was sent previously to all known U.S. owners and operators of these airplanes. This AD requires replacing certain lithium-ion batteries installed as the main aircraft battery with either a Ni-Cad or a lead acid battery. This AD was prompted by a report of a battery fire that resulted after an energized ground power unit was connected to one of the affected airplanes equipped with a lithium-ion battery as the main aircraft battery. We are issuing this AD to correct the unsafe condition on these products.