(407) 777-0111
Simulator Center Training
Fixed Base vs Full Flight for Training Managers: Motion by Task
Blog

Fixed Base vs Full Flight for Training Managers: Motion by Task

October 12, 2026

Fixed Base vs Full Flight for Training Managers: Motion by Task

Fixed-base and full-flight training simulators

Use fixed base devices for high volume procedural and systems practice, and reserve full flight Level C or D simulators for upset recovery, high energy handling, and sessions that carry regulatory credit. The trade off is straightforward: fixed base training costs less per hour and schedules more easily, while full flight time is scarcer, pricier, and sometimes mandatory, as with ATP CTP hour requirements.

TL;DR:

  • FAA ATP CTP rules require 10 FSTD hours, including six in Level C or higher FFS and up to four in Level 4 FTDs.
  • Use motion sessions for upset recovery, stalls, and high energy events such as engine failure at rotation; static devices cannot reproduce acceleration cues.
  • FAA and Volpe research found no relevant performance difference for many maneuvers with motion on or off, supporting fixed base practice for procedures and IFR work.
  • Book regulatory credit FFS sessions early, then use fixed base devices for systems and procedures, keeping scarce Level D hours for handling and judgment.
Simulatorcentertraining
simulatorcentertraining.com
Train for Real-World Handling
Simulator Center offers pilot certification programs using Level D full-motion simulators, with instruction from veteran airline captains.
Explore simulator training

Table of Contents

1. What fixed base and full flight devices actually are

Fixed base simulators and full flight simulators differ mainly in one component: motion. A Flight Training Device (FTD) or Flight and Navigation Procedures Trainer (FNPT) replicates cockpit systems and handling without a force cueing motion platform, while devices like a Basic Aviation Training Device (BATD) or Advanced Aviation Training Device (AATD) serve lower fidelity procedural work. A Full Flight Simulator (FFS) adds a motion base and matches the aircraft’s visual and control feel.

Qualification levels matter for what credit a session earns:

  • FFS Levels A and B suit basic handling and procedural training with limited credit.
  • FFS Levels C and D require higher fidelity motion, visuals, and control loading, and carry the most regulatory weight.
  • Level D is the standard most type rating and zero flight time programs rely on.

The EASA CS-FSTD(A) guidance sets the terminology and qualification tests that tie these device features to the credit a training center can claim.

2. Which training tasks actually need motion

Motion earns its cost in a specific set of scenarios. Upset recovery training benefits from the physical sensation of an unexpected attitude change, and high energy handling events, like an engine failure right at takeoff rotation, rely on acceleration cues a fixed base device cannot reproduce. Startle response and the visceral feedback of a stall buffet also fall into this category.

Plenty of syllabus items gain little from a moving platform:

  • Checklist flows and normal procedures train just as well in a static cockpit.
  • Automation management and FMS programming depend on screen logic, not motion.
  • Many IFR procedures, holds, approaches, and radio work translate fully to a fixed base session.

FAA and Volpe Center research comparing motion on and motion off training found no operationally relevant difference in pilot performance for many maneuvers, which means fidelity elements other than motion, like visual systems and control loading, often carry more weight than the platform itself.

The takeaway from this research: motion cueing is decisive for a narrow set of high energy events, not a universal requirement, according to FAA/Volpe Center findings.

3. A decision framework for choosing the right device

Training managers can map almost any syllabus line to a device using five criteria: the learning objective, whether the session carries regulatory credit, budget per training hour, throughput needs, and the maintenance footprint of the device.

  1. Identify the learning objective: procedural, systems, or handling under stress.
  2. Check whether a regulator requires FFS credit for that specific task.
  3. Compare hourly cost against available budget for the course.
  4. Weigh throughput: how many students need the slot versus how scarce it is.
  5. Confirm maintenance history and uptime before committing recurring blocks to a device.

Before procurement or scheduling, ask about visual system fidelity, control loading accuracy, and historical downtime, since these factors shape training value more than the brochure spec sheet does.

Pro Tip: Book your scarce full flight slots first for regulatory-credit events, then fill the rest of the week with fixed base sessions.

4. Cost and operational ownership differences

Acquisition and hourly cost scale with fidelity. High level FTDs cost less to buy and operate than Level D full flight simulators, and industry reporting from Halldale describes Level D acquisitions reaching into the multi-million dollar range, a scale that pushes training centers to protect that capacity for the sessions that truly need it.

Operational ownership diverges too:

  • Motion platforms need specialized structural maintenance and dedicated foundations.
  • Motion system lifecycle replacement adds a recurring capital cost that fixed base devices avoid.
  • Downtime on a full flight simulator removes regulatory-credit capacity, not just training hours.

The sound financial move is offloading every procedural and systems task onto FTDs, which Halldale’s reporting frames as the industry’s growing practice, while keeping full flight time reserved for events that require motion or carry mandatory credit.

5. How regulatory credit shapes program design

Regulators tie specific hour minimums to device level, and that requirement drives syllabus design more than preference does. FAA Advisory Circular 61-138 requires at least 10 hours in an FSTD for the ATP Certification Training Program, with at least 6 of those hours in an FFS Level C or higher and up to 4 hours permitted in a Level 4 or higher FTD.

  • Demonstration based topics in AC 61-138 can often run in lower level devices.
  • Experience based topics that build toward conceptual proficiency typically need the higher fidelity platform.
  • EASA’s CS-FSTD(A) terminology similarly ties specific qualification tests to the credit a device can offer.

The practical result: course designers should map each syllabus line against these documents before assuming a task needs full flight time.

6. Typical training center fleet shapes

Most training centers build their fleet around three shapes. An ab initio academy leans heavily on BATDs and AATDs for procedural repetition, saving full flight access for checkrides. A multi-engine or IFR program mixes FNPTs for instrument work with occasional FFS sessions for type-specific handling. A type rating house runs the opposite ratio, since type rating and zero flight time courses require extensive Level D time.

  • Academy fleets prioritize volume: many low-cost devices, few full flight hours.
  • Type rating houses schedule FFS blocks early and keep FTD sessions as backup or prep slots.
  • Sequencing ground school and FTD work before a Level D session, as described in our ground school and simulator sequencing post, raises the value of each scarce full flight block.

7. How we structure training with Level D and high-fidelity fixed base sessions

We build every program around the same principle this article lays out: systems and procedural work happens in high-fidelity fixed base sessions, and Level D full-motion time gets reserved for consolidation and events that need genuine motion feedback. Instruction comes from veteran airline captains.

A typical week pairs computer-based training and fixed base blocks early on, building toward a Level D consolidation session that ties procedures to real handling under motion. That structure keeps full flight hours focused on the moments that matter instead of burning scarce slots on checklist drills.

8. Comparing pilot experience and certification value across devices

Pilots walking out of a fixed base session gain procedural fluency: checklist flow, automation logic, and systems knowledge that transfers directly to the cockpit. That value is real, but it stops short of the physical handling confidence a full motion session builds. A pilot who has felt a stall buffet or an asymmetric thrust event in a Level C or D simulator carries a different kind of readiness into the aircraft than one who has only rehearsed the same scenario on a static screen.

Certification value follows a similar split. Many ratings and proficiency checks accept fixed base or lower level device time for systems and procedural segments, but the checkride itself, along with ATP CTP credit, almost always requires full flight simulator time at Level C or higher under FAA guidance. That means a course built entirely on fixed base devices cannot deliver a complete certification path on its own, regardless of how well it trains procedures.

The strongest programs treat the two experiences as complementary rather than competing. Fixed base sessions build the muscle memory and systems fluency that make full flight time efficient, so when a pilot finally sits in the Level D simulator, the session focuses on handling and judgment instead of relearning checklist flow. That sequencing produces a pilot who is both procedurally fluent and comfortable under motion, which is the combination airlines actually screen for during assessment and line checks.

Training tasks allocated across simulator types

9. How device choice affects licensing and type rating timelines

The device mix in a course has a direct effect on how quickly a pilot reaches certification. Fixed base devices are far easier to schedule, since they carry lower acquisition and hourly costs and do not compete for the same scarce slots that regulatory-credit sessions require. A course that pushes procedural and systems training into fixed base sessions frees up calendar space, because students are not waiting in line for a Level D simulator just to practice a checklist flow.

Full flight simulator availability becomes the bottleneck for almost every certification timeline, since ATP CTP, type ratings, and most checkrides require a minimum block of FFS Level C or D time under FAA AC 61-138. A training center with limited full flight capacity will see timelines stretch regardless of how efficient the rest of the course is, simply because students queue for the same device.

The fastest path to a type rating or ATP CTP credit comes from a course that front-loads fixed base and computer-based training so that when a student finally gets Level D time, that time goes entirely toward handling, judgment, and the specific maneuvers a motion platform is built for. Centers that run this way typically move students through the full flight portion of a course faster, since no Level D hours get spent on tasks a fixed base device already covered.

9. How device choice affects licensing and type rating timelines — overview diagram

10. Operational limits that affect training outcomes

Fixed base devices carry their own limits. They cannot replicate the acceleration cues of a high energy engine failure or the physical disorientation of an upset, and no amount of visual fidelity substitutes for that missing motion input. For a narrow set of training objectives, a fixed base session simply cannot deliver the outcome a syllabus requires, which is why regulators mandate FFS time for those specific events.

Full flight simulators carry a different set of constraints. Motion platforms demand specialized maintenance, dedicated structural foundations, and periodic component replacement, and any downtime removes access to the device that regulatory credit depends on. Scheduling conflicts are sharper too, since every training center competing for Level D time runs into the same throughput ceiling, and a single maintenance event can delay certification timelines for an entire cohort.

The practical implication for training outcomes is that neither device type should carry a course alone. A program over-reliant on fixed base training risks leaving pilots unprepared for the physical demands of a real upset or high energy event, while a program over-reliant on full flight time wastes scarce, expensive hours on tasks a fixed base device handles just as well. Balancing the two, guided by the criteria in the decision framework above, produces the most reliable path to a competent, certification-ready pilot.

11. A training manager’s take on the fixed base versus full flight debate

My own view after watching this debate play out in syllabus design: the industry still treats full flight time as a default rather than a scarce resource. Use fixed base devices for every procedural and systems task you can, and save Level C or D sessions for the handful of events that truly need motion. Plan your maintenance calendar around that scarcity, since one down week on a Level D device can stall an entire cohort.

— Jake

12. How our team puts this training mix into practice

We run exactly the balance this article describes: high-fidelity fixed base work for systems and procedures, paired with Level D full-motion sessions led by veteran airline captains for the handling and judgment pieces that motion makes possible.

Simulatorcentertraining

  • Type rating programs for several commercial aircraft models.
  • ATP CTP training that satisfies the FSTD hour requirements set by regulators.
  • FAA license conversion support for pilots holding ICAO, EASA, or DGCA credentials.

Explore our full flight simulator training programs to see how this mix fits your certification goals.

FAQ

What are the three types of flight simulators?

Training devices generally fall into three tiers: basic procedural trainers like BATDs and AATDs, Flight Training Devices (FTDs) that replicate systems and handling without motion, and Full Flight Simulators (FFS) that add a force cueing motion platform. The EASA CS-FSTD(A) document formalizes this terminology and the qualification tests behind each tier.

Do real pilots use fixed base devices to train?

Yes, professional pilots routinely use fixed base devices for procedural practice, automation management, and many IFR tasks, since FAA/Volpe Center research found no operationally relevant performance difference for many maneuvers between motion-on and motion-off sessions. Full flight time gets reserved for events like upset recovery that benefit specifically from motion cues.

What is the difference between a BATD and an AATD?

A Basic Aviation Training Device (BATD) and an Advanced Aviation Training Device (AATD) both serve procedural and instrument training without motion, but an AATD typically supports a broader range of credit toward instrument and certificate requirements. Neither replaces the full flight simulator time that regulators require for type ratings or ATP CTP credit under FAA AC 61-138.

Which flight simulator is best for training?

The best device depends on the task: fixed base devices suit high volume procedural and systems work, while full flight Level C or D simulators suit upset recovery, high energy handling, and sessions that require regulatory credit. Our type rating training programs combine both device types to match each training task to the right level of fidelity.

Sources

Apply Now Back to the blog