The question of whether to pursue a Multi-Engine Instructor (MEI) rating, raised by a CFII holding a commercial multi-engine certificate, touches on a decision point familiar to nearly every instructor working toward an airline or corporate flying career. The poster's hesitation centers on checkride history—two prior failures, one on a private pilot checkride and one on a commercial stage check—and a fear that a third failure, should it occur on the MEI ride, would meaningfully damage future hiring prospects. This is a common anxiety among low-time CFIs navigating the traditional flight-instructing-to-airline pipeline, where every certificate and rating application becomes part of a permanent FAA record that airlines, and particularly their background and records checks, can review during the interview process.
The practical reality is that checkride failures, including multiple failures, are far less disqualifying than many time-building instructors assume. Major airlines and regional carriers routinely hire pilots with one or more failed checkrides on record, provided the pilot demonstrates a clean trend afterward: passing subsequent checks, accumulating experience without incident, and showing consistent proficiency in interviews and simulator evaluations. Airline HR and check airmen are generally more concerned with a pattern of failures close together in time, unaddressed weaknesses, or evidence of poor judgment than with the raw count of unsatisfactory events years into flight training. A CFII already holding a commercial multi-engine certificate has, by definition, already passed the initial and commercial multi checkrides—demonstrating baseline competency in the airplane category most relevant to airline transition training.
For instructors specifically, the MEI rating carries outsized professional value relative to the modest incremental risk of one more checkride. Multi-engine instruction time is scarce relative to demand at flight schools, and CFIs who can teach in twins are more marketable, often command higher pay, and build multi-engine PIC and dual-given time that directly feeds airline and fractional/charter minimums. Given that most flight schools and part 135 operators weight multi-engine experience heavily when evaluating instructor applicants for advancement into right-seat or captain roles, delaying the MEI to avoid checkride risk can actually slow career progression more than a potential failure would. Additionally, since the poster is already teaching as a CFII, the ground and flight proficiency skills needed for the MEI overlap substantially with single-engine instruction skills already being exercised daily, which should reduce failure risk relative to a checkride attempted cold.
Broadly, this scenario reflects an industry-wide dynamic in which airlines, faced with a persistent post-pandemic pilot shortage and aggressive hiring at regionals, fractional operators, and legacy carriers, have relaxed the informal "zero-failure" mythology that once discouraged pilots from pursuing every available rating. Recruiters increasingly evaluate whole-candidate trajectories—total time, multi-engine PIC, instructing experience, CRM and professionalism in interviews—rather than treating any single checkride bust as disqualifying. For a working CFII building toward airline or corporate jet flying, the MEI represents a low-marginal-risk, high-career-value credential, and forgoing it out of fear of a hypothetical third failure is likely to cost more in career momentum than the failure itself would in reputational damage.