---
type: Car Seat Review
title: Evenflo Evenflo SecureKid LX — Independent Review
description: "Independent review of the Evenflo SecureKid LX — FAA accepted in harness mode (22–110 lb), 14 lb, $120. Critical note: aircraft use requires 5-point."
resource: https://www.velivolotravel.com/car-seats/evenflo-securekid-lx/
tags: [car-seat, gear, review, combination, faa-approved]
timestamp: 2026-07-14
---
# Evenflo SecureKid LX: FAA Accepted Combination Seat with a Critical Catch

**Quick Answer**: Per Evenflo's published documentation, the SecureKid LX is FAA accepted for aircraft use only in 5-point harness mode (22–65 lb). Booster mode is prohibited in flight per 14 CFR 121.311.

**TL;DR**: The Evenflo SecureKid LX is a budget-friendly combination seat covering 22–110 lb across harness and booster modes. It is FAA accepted for aircraft use, but only in 5-point harness mode — the booster mode is prohibited on planes per federal law. At $120 and 14 lb, it is a solid choice for road-trip families who fly occasionally with children still in the harness weight range.

## Velivolo Family Score: 7/10 — Decent
- **Aviation Fit** (6/10): FAA accepted in harness mode only; booster mode prohibited on aircraft
- **Install Ease** (6/10): Standard lap-belt install for aircraft; LATCH or belt for vehicle. Harness re-threading required for some height adjustments.
- **Longevity & Value** (8/10): At $120 with a 22–110 lb combined range, the SecureKid LX offers strong value for families who need a single seat from preschool through booster age.
- **Travel Ergonomics** (5/10): At 14 lb and without fold-flat capability, the SecureKid LX is manageable but not optimized for air travel. 

## At a Glance
- **FAA Acceptance**: Yes, FAA-accepted — Approved for use on aircraft when used with the internal five point harness. Not approved for use on aircraft when used as a booster.
- **Child Range**: 22–110 lb — Aircraft use limited to harness mode; 22–65 lb harness / 40–110 lb booster
- **Booster Mode on Planes**: Prohibited   — Not approved for use on aircraft when used as a booster.
- **Seat Weight**: 14 lb — Manageable for airport travel. 
- **Velivolo Video**: Yes — Learn how to install this seat on the airplane. Watch our Velivolo instructional video below.

## Quick Facts
- The SecureKid LX is certified for aircraft use ONLY in 5-point harness mode covering children 22–65 lb.
- The booster mode is prohibited for use on aircraft.
- The seat weighs 14 lb and covers children 22–110 lb across both modes.
- The SecureKid LX seat expires 10 years from the date of manufacture.

## Specs
- **Brand**: Evenflo
- **Category**: combination
- **Facing**: forward-facing only
- **Price**: $120 (MSRP $120)
- **Rear-Facing Weight Limit**: — lbs
- **Forward-Facing Weight Limit**: 65 lbs
- **Height Limit**: 57 in
- **Min Weight**: 22 lbs
- **Seat Width**: — in
- **Seat Weight**: 14 lbs
- **Expiration**: 10 years

## FAA & FMVSS
- **FAA Approved**: Yes
- **FAA Label Text**: "This Restraint is Certified for Use in Motor Vehicles and Aircraft"
- **FAA Label Location**: Side panel or bottom of seat shell (Evenflo standard placement); harness-mode-only restriction noted on label
- **Regulatory Citation**:   approved in forward-facing harness mode only
- **FMVSS 213**: Yes
- **FMVSS 213a**: not_published

Per Evenflo's published documentation, the SecureKid LX is certified for aircraft use exclusively in 5-point harness mode. The booster (belt-positioning) is not approved for use on aircraft. 

## Aviation Fit
The SecureKid LX is forward-facing and installs via the aircraft lap belt in harness mode only. The harness covers children 22–65 lb. Because the seat does not rear-face, it avoids the depth/pitch concerns of convertible seats. Booster mode is prohibited in flight.

- **Fits Economy Seat**: Yes
- **Install Method**: aircraft lap belt only, forward-facing harness mode
- **Recline Friendly**: No
- **Gate Check Recommended**: Yes

**Economy Fit**: Width may require armrests raised on smaller regional jets and economy seating locations. 

**Gate Check**: At 14 lb without fold-flat capability, the SecureKid LX must be gate-checked or occupy a purchased seat and used in five-point harness mode. 

**Travel Verdict**: The SecureKid LX is a serviceable economy-class harness seat for children 22–65 lb. Once a child exceeds 65 lb, the FAA accepted mode no longer applies.

### Airline-Specific Issues

- **Spirit / Frontier narrow rows (16–17 in)**: Per rl2 aviation research, Spirit's standard Main Cabin seat is approximately 17 in wide; the SecureKid LX may require armrests raised on both sides for installation. Confirm seat width when booking. ([source](https://www.faa.gov/documentlibrary/media/advisory_circular/ac_120-87c.pdf))
- **American Airlines Main Cabin (16.7 in)**: Per rl2 aviation research, American Airlines 737-800 Main Cabin seats measure approximately 16.7 in wide. The SecureKid LX may be tight; raising both armrests is recommended when installing in harness mode. ([source](https://www.aa.com/i18n/travel-info/special-assistance/traveling-children.jsp))

## Velivolo Travel Score: 6/10
- **Cabin Fit** (6/10): Fits standard economy seats in harness mode with armrests raised; 14 lb requires gate-check bag. No fold-flat capability.
- **Gate-Check Ease** (6/10): Gate-checked free on all 8 major US carriers. If the child safely fits in harness mode, in accordance to the manufacturer guidelines, Velivolo strongly encourages all children to use their car seat onboard the aircraft. 
- **Taxi/Rental** (8/10): LATCH install or seatbelt installation in harness mode is relatively quick for rental cars and rideshares. Belt-positioning booster mode adds flexibility at the destination.
- **Folded Portability** (4/10): 14 lb with no fold-flat option makes airport navigation cumbersome. A rolling travel cart or bag is strongly recommended for longer terminal walks.

## Safety
- **Certifications**: FMVSS 213
- **Side-Impact Tested**: No
- **NHTSA Ease-of-Use Stars**: —
- **Expiration Policy**: 10 years from date of manufacture per Evenflo guidance

The Evenflo SecureKid LX is certified to Federal Motor Vehicle Safety Standard 213 (FMVSS 213) 

Evenflo does not publish independent side-impact test results for the SecureKid LX beyond standard FMVSS 213 compliance. FMVSS 213a status is not published for this model.

**Recall History**: Clean — no recalls on record.

## Vehicle Compatibility


- **LATCH Limit**: — lbs (tier )
- **Install Methods**: 

### Reference Vehicles
- **2024 Honda Odyssey EX-L** — Fit: good, Install: LATCH or belt, harness mode, 3-across: n/a. Minivan captain's chairs and 60/40 bench provide ample room for the SecureKid LX in harness mode. LATCH anchors are easily accessible. (tier L4)
- **2024 Toyota Camry LE** — Fit: good, Install: LATCH or belt, harness mode, 3-across: false. Standard mid-size sedan rear seat accommodates the SecureKid LX in harness mode. Three-across is not practical on the Camry's narrow rear bench. (tier L4)
- **2024 Ford Explorer XLT** — Fit: good, Install: LATCH or belt, harness mode, 3-across: n/a. Full-size SUV second-row bucket or bench seats provide comfortable fit. LATCH anchors accessible in all three positions. (tier L4)

## Pros
- FAA accepted for aircraft use in 5-point harness mode  
- Wide 22–110 lb combined range covers preschool through booster years in a single purchase.
- At $120 retail price, delivers the lowest cost-per-year of any FAA accepted combination seat in its class.
- At 14 lb, lighter than all-in-one convertibles (20–30 lb), making airport gate-checking manageable.
- LATCH installation in harness mode makes rental-car and rideshare setup straightforward.
- 10-year expiration window provides long-term value for families with multiple children.

## Cons
- Aircraft use is restricted to harness mode only — once a child exceeds 65 lb, the seat may not be used on aircraft. 
- Booster mode is prohibited during taxi, takeoff, and landing on US carriers per 14 CFR 121.311(b)(2)(ii).
- Harness requires re-threading to adjust shoulder height — no no-rethread mechanism, adding installation complexity.
- No fold-flat capability makes airport transport cumbersome without a rolling travel cart.

## Best For
- **Road-trip families who fly occasionally with children in the harness weight range**: The SecureKid LX excels as a primary vehicle seat that doubles as an FAA accepted aircraft harness for children 22–65 lb. For families who drive most trips and fly once or twice a year, it eliminates the need for a separate travel seat.
- **Budget-conscious families needing a single seat from preschool through booster age**: At $120 with a 22–110 lb combined range and 10-year expiration, the SecureKid LX delivers the lowest cost-per-year of any FAA accepted combination seat. Families who do not need the absolute lightest travel seat will find it covers most needs.
- **Families flying with children still firmly in harness mode (22–50 lb)**: Children in the 22–50 lb range are well within the harness window, giving comfortable clearance before the 65 lb limit. For this group, the FAA accepted harness mode works every trip without re-verification concerns.
- **Destination road-trip families using rental cars**: Families who fly into a destination and rent a car benefit from one seat that handles both the aircraft harness and the rental-car install.

## Key Features
### FAA Accepted Harness Mode

The SecureKid LX carries FAA acceptance for aircraft use when installed in 5-point harness mode. The red-letter label on the seat shell confirms the seat is certified for use in motor vehicle and on aircraft. This certification covers children 22–65 lb forward-facing with the harness engaged. The booster mode does not carry this certification and cannot be used on aircraft. 

**Key takeaway**: Aircraft certified in harness mode for children 22–65 lb

### 22–110 lb Combined Coverage

The SecureKid LX covers children from 22 lb in harness mode up to 110 lb in belt-positioning booster mode. This span covers approximately ages 2 through 10 in a single seat purchase. The harness operates from 22–65 lb (height 28–57 in); the booster operates from 40–110 lb using the vehicle's lap-and-shoulder belt. The 40–65 lb overlap allows families to keep children in the safer harness configuration longer.

**Key takeaway**: Single seat covers preschool through booster age

### LATCH Installation in Harness Mode

The SecureKid LX includes LATCH connectors for harness-mode installation in vehicles equipped with anchor points. The LATCH limit is 65 lb — the upper harness weight limit — so the connectors remain usable for the entire harness phase. In booster mode the seat uses the vehicle lap-and-shoulder belt only, as LATCH connectors are not used for belt-positioning in the US. LATCH is not permitted on aircraft; aircraft installation uses the lap belt only.

**Key takeaway**: LATCH available for the full harness phase up to 65 lb

### 10-Year Expiration Window

Per Evenflo's published guidance, the SecureKid LX expires 10 years from the date of manufacture, printed on the label affixed to the underside of the seat shell. A 10-year lifespan is among the longest available on combination seats and allows the seat to be shared across siblings or extended family. Families should verify the manufacture date when purchasing from third-party sellers to confirm the seat has not already expired.

**Key takeaway**: 10-year lifespan for multi-child families

## Real-World Scenarios
- **Economy flight with 3-year-old at 32 lb (harness mode)** (5/5): The child is well within the 22–65 lb harness range. Install via aircraft lap belt in harness mode. 
- **Economy flight with 7-year-old at 70 lb (over harness limit)** (2/5): At 70 lb the child exceeds the 65 lb harness limit. The booster mode cannot be used in flight. Gate-Check this restraint in a secure or padded bag or box.
- **Rental car at destination with 4-year-old at 42 lb** (5/5): LATCH install in harness mode takes approximately 60 seconds. The SecureKid LX secures firmly in virtually any rental car with LATCH anchors. Belt-only install also supported for non-LATCH vehicles.
- **Road trip with 6-year-old at 50 lb transitioning to booster soon** (4/5): At 50 lb the child is within the harness range but approaching the limit. Extended harness use is recommended by safety experts. The SecureKid LX supports this with its 65 lb harness ceiling. Note: if flying, verify harness fit at every trip.
- **Airport transit — carrying through a long terminal** (3/5): At 14 lb , carrying the SecureKid LX through a long terminal is tiring. A rolling travel cart or gate check bag with wheels significantly improves the experience.

## How It Compares
- [WAYB Pico](https://www.velivolotravel.com/okf/car-seats/wayb-pico.md) ($379–$399) — Per WAYB's published documentation, the Pico is an 8 lb FAA accepted forward-facing harness seat that folds into a backpack and fits in overhead bins. The SecureKid LX at $120 and 14 lb is dramatically cheaper but heavier and does not fold. Choose the Pico for frequent flyers who want a purpose-built travel harness; choose the SecureKid LX for road-trip families who fly occasionally. Wins at: Purpose-built air travel — lightest FAA accepted harness seat.
- [Graco 4Ever DLX](https://www.velivolotravel.com/okf/car-seats/graco-4ever-dlx.md) ($250–$320) — Per Graco's published documentation, the 4Ever DLX is a 4-in-1 all-in-one seat covering rear-facing through booster. At 19.3 in wide it is too wide for many economy seats without raised armrests. The SecureKid LX at $120 is forward-facing only but lighter and cheaper. Choose the 4Ever DLX for families prioritizing extended rear-facing; choose the SecureKid LX for budget-focused forward-facing families who fly occasionally. Wins at: Extended rear-facing and all-in-one longevity.
- [Chicco Fit4](https://www.velivolotravel.com/okf/car-seats/chicco-fit4.md) ($280–$350) — Per Chicco's published documentation, the Fit4 is a 4-in-1 all-in-one seat covering rear-facing infant through booster. At approximately 19 in wide and 30 lb, it is significantly wider and heavier than the SecureKid LX. Both carry FAA acceptance in harness modes. Choose the Fit4 for families who want rear-facing longevity and premium Chicco build quality; choose the SecureKid LX for budget-focused families whose child is already forward-facing. Wins at: Premium build quality and rear-facing longevity.

## Common Mistakes
### Flying After Child Exceeds 65 lb Harness Limit

The harness mode has a strict 65 lb maximum weight limit. Children who exceed 65 lb cannot use the SecureKid LX on the aircraft. Weigh children before your trip and prepare to gate-check it with a secure and padded bag or box if necessary.

**Source**: []()

### Not Re-Threading Harness Before Adjusting Seat Height

The SecureKid LX does not feature a no-rethread harness mechanism. If the harness shoulder slots need adjustment for a growing child before a trip, the harness must be fully re-threaded through the new slot.   Verify harness routing and slot height at home at least one day before travel.

**Source**: []()

## Travel Tips
- **Book a Window Seat**: The FAA encourages child restraint systems to be used in the window seat, although some other seating configurations may be permitted. Avoid booking near the exit rows. 
- **Use a Padded Gate-Check Bag**: The SecureKid LX does not fold flat and cannot be stowed under a seat or in an overhead bin. Gate-check it in a secure and padded bag or box to eliminate the risk for damage during baggage handling. If the child still fits safely in the five-point harness mode, in accordance to the manufacturer guidelines, Velivolo strongly encourages all children to use their car seat onboard the aircraft. 
- **Use a Rolling Travel Cart Through the Terminal**: At 14 lb with no fold-flat capability, hand-carrying the SecureKid LX across a long terminal is tiring. Consider attaching it to a rolling carry-on with luggage straps, using a car seat dolly, or purchasing a dedicated car seat bag with wheels for convenient transportation through the airport. 
- **Carry the Manual Page for Flight Attendants**: Some flight attendants may not be familiar with combination seats' harness-mode FAA acceptance. They may see that the seat is "not approved for use in booster mode" and misunderstand that to mean it cannot be used on the aircraft entirely. Understand the difference between using the seat with the internal five-point harness versus booster mode for older children. If you're unsure, connect with a Velivolo CPST.

## FAQ
### Is the Evenflo SecureKid LX FAA accepted for use on airplanes?

The SecureKid LX is FAA accepted for aircraft use, but only when installed in 5-point harness mode. The harness mode covers children weighing 22–65 lb forward-facing. The approval is evidenced by the red-letter label on the seat shell stating 'This Restraint is Certified for Use in Motor Vehicles and Aircraft.' The booster mode — where the vehicle's lap-and-shoulder belt routes through the seat's belt guides — is NOT approved for aircraft use and is prohibited during taxi, takeoff, and landing.

[Source](https://www.evenflo.com)


### Can I use the SecureKid LX in booster mode on the plane?

No. Per 14 CFR 121.311(b)(2)(ii), belt-positioning booster seats cannot be used during taxi, takeoff, or landing on US commercial flights. This applies to the SecureKid LX's booster mode regardless of the seat's overall FAA acceptance. Belt-positioning boosters require a lap-and-shoulder belt combination for upper-body restraint, which commercial aircraft seats do not provide — only a 2-point lap belt is installed. The FAA certification on the SecureKid LX applies exclusively to its 5-point harness mode.


### What is the weight limit for using the SecureKid LX on an airplane?

The SecureKid LX harness mode covers children weighing 22–65 lb with a height range of 28–57 inches in forward-facing position. For aircraft use, both limits apply: the child must weigh at least 22 lb and no more than 65 lb while also fitting within the height limit.  Children who exceed 65 lb cannot use the SecureKid LX in its FAA accepted harness configuration.

[Source](https://www.evenflo.com)


### How do I install the SecureKid LX on an airplane?

Watch the Velivolo Installation video for further instructions. Install the SecureKid LX on aircraft via the following method: first, ensure the seat is in 5-point harness mode with the harness set to the correct shoulder-height slot for your child. Second, thread the aircraft lap belt through the forward-facing belt path on the seat. Third, buckle the lap belt and ensure it is routed correctly. Then tighten the belt by pulling on the excess webbing. Fourth, place the child in the seat, close and tighten the harness, and perform the pinch test at the collar bone to verify snugness.   The seat must be in a forward-facing aircraft seat; do not install in exit rows or at bulkhead rows with inflatable seatbelts where safety requirements restrict child restraint systems.

[Source](https://www.faa.gov/documentlibrary/media/advisory_circular/ac_120-87c.pdf)


### Does the SecureKid LX fit in standard economy seats on major airlines?

The SecureKid LX in forward-facing harness mode fits in standard US economy seats on most major carriers, especially with the armrest raised. Reserve a window seat when booking.

[Source](https://www.faa.gov/documentlibrary/media/advisory_circular/ac_120-87c.pdf)


### Can I gate-check the SecureKid LX for free?

Per each carrier's published policy, all eight major US carriers — American, Delta, United, Southwest, JetBlue, Alaska, Spirit, and Frontier — gate-check one car seat per ticketed child free of charge.  If the child still fits appropriately in the five-point harness mode per the manufacturer instructions, Velivolo strongly encourages all children to use their car seat onboard the aircraft. 

[Source](https://www.delta.com/us/en/children-infant-travel/children-infant-baggage)


### How long does the Evenflo SecureKid LX last before it expires?

The SecureKid LX expires 10 years from the date of manufacture. The date of manufacture is printed on the label affixed to the underside or back of the seat shell. A 10-year expiration is among the longer lifespans available on combination seats and is consistent with Evenflo's published policy for its combination and all-in-one seat lines. Families purchasing from third-party sellers or resale markets should verify the manufacture date label before use to confirm the seat has not expired. Using an expired car seat on an aircraft is the same as using an expired car seat in a vehicle — the structural integrity and strap webbing may have degraded beyond tested parameters.

[Source](https://www.evenflo.com)


### How does the SecureKid LX compare to the WAYB Pico for flying?

Per WAYB's published documentation, the Pico is an 8 lb FAA accepted forward-facing harness seat covering children 26.5–65 lb (post-June-2025 specification) that folds into an 11.6 × 14.5 × 18.9 in backpack and fits in some overhead bins. The SecureKid LX at $120 and 14 lb is dramatically cheaper and wider in combined coverage (22–110 lb across modes) but does not fold, weighs nearly twice as much, and requires gate-checking. For families who fly frequently and want a purpose-built travel seat, the Pico at $379–399 is the superior aviation tool. For families who fly occasionally and primarily drive, the SecureKid LX's lower price and wider booster coverage make more practical sense.

[Source](https://wayb.com/products/pico)


## Related Concepts
- [Back to Car Seats Catalog](https://www.velivolotravel.com/okf/car-seats/index.md)
- [wayb-pico](https://www.velivolotravel.com/okf/car-seats/wayb-pico.md)
- [graco-4ever-dlx](https://www.velivolotravel.com/okf/car-seats/graco-4ever-dlx.md)
- [chicco-fit4](https://www.velivolotravel.com/okf/car-seats/chicco-fit4.md)

## Sources
- [Evenflo — SecureKid LX Product Page (2026): Specifications, weight limits, harness range, aircraft certification note, expiration policy](https://www.evenflo.com)
- [FAA Advisory Circular AC 120-87C (2015): FAA guidance on child restraint systems in aircraft, CRS categories, seat restrictions, booster prohibition](https://www.faa.gov/documentlibrary/media/advisory_circular/ac_120-87c.pdf)
- [14 CFR § 121.311 — Seats, Safety Belts, and Shoulder Harnesses (2026): Regulatory basis for booster seat prohibition during taxi, takeoff, and landing on US Part 121 carriers](https://www.ecfr.gov/current/title-14/chapter-I/subchapter-G/part-121/subpart-D/section-121.311)
- [NHTSA Child Safety Seat Recall Database (2026): Recall status verification for Evenflo SecureKid LX](https://www.nhtsa.gov/vehicle-safety/child-safety-seats)
- [ChildSource — Evenflo SecureKid LX Product Listing (2026): Street price, availability, combination seat specifications](https://www.childsource.com/products/evenflo-securekid-lx-combination-booster-car-seat)

**Last Updated**: 2026-07-14
**Author**: Velivolo Editorial Team — Family Travel Experts