For your protection, your login session will expire in 0:00, do you wish extend your session or logout?
FMCSA - Federal Motor Carrier Safety Adminstration

CSA - Compliance, Safety, Accountability

Working Together for Safety.


SMS - Safety Measurement System SMS - Safety Measurement System

MAYFLOWER TRANSIT LLC

AERO MAYFLOWER TRANSIT COMPANY

  • 125563
  • 1 PREMIER DRIVE
    FENTON, MO 63026
  • 769
  • 1,472
  • 771

Safety Rating & OOS Rates AND Licensing and Insurance

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

Vehicle Maintenance

More Info

On-Road Performance

5.08 How is the measure calculated?

Safety Event Group: 101-500 relevant vehicle inspections

Investigation Results

No Acute/Critical Violations Discovered

Expand Graph

Carrier Measure Over Time

  • Trends

This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.

  • 8
  • 6
  • 4
  • 2
  • 0
  • -2
  • Feb 27
  • Mar 27
  • Apr 24
  • May 15
  • Jun 26
  • Jul 31
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  Feb 27 2026 Mar 27 2026 Apr 24 2026 May 15 2026 Jun 26 2026 Jul 31 2026
Measure 4.88 5.17 5.22 5.28 5.07 5.08
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 443

Violations Description # Violations # OOS Violations Violation Severity Weight
393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS 47 46 8
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 20 0 4
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 18 0 4
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 14 0 4
393.45D-B Air Brake - Audible air leak at a proper connection 12 0 4
393.53B-B Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear 12 0 4
396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination 11 11 0
393.75A3-TAOLTIS Tires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS 10 10 8
393.78A-WS Washers - Inoperative washing system. 10 0 1
393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance 9 0 1
393.9A-LCL Lighting - Clearance lamp(s) inoperative 9 0 2
393.95A1 Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. 8 0 2
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured 8 0 2
393.60(c) Windshield - Damaged or Discolored 7 0 1
393.75(a)(3) Tire-flat and/or audible air leak 7 7 8
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 7 0 6
393.9A-LLPL Lighting - License plate lamp inoperative 7 0 2
396.5B-L Lubrication - Oil or grease leak 7 0 3
393.45D-BAAL Air Brake - Audible air leak at other than a proper connection 6 6 4
393.9A-LIL Lighting - Identification lamp(s) inoperative 6 0 2
393.9A-LRLI Lighting - Tail lamp - Any inoperative 6 0 6
396.3A1-BALAC Brake - Audible air leak from a brake chamber 6 0 4
393.48A-BIBD Drum Brake - Inoperative other than a steering axle 5 0 4
393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear 5 0 4
393.55D1-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998. 5 0 4
393.9 Inoperable Required Lamp 5 0 2
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper 5 0 2
393.9A-LBL Lighting - Backup lamp inoperative 5 0 6
393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. 5 5 6
393.9TS Inoperative turn signal 5 0 6
396.17C-PI Operating a CMV without documentation of a periodic inspection 5 0 4
396.5B-HWSL Hubs - Wheel seal leaking 5 2 2
392.2-SLLMF State/Local Laws - Wheel (mud) flaps missing or defective 4 0 1
393.45B2-BHTD Air Brake - Hose/tubing damage into the outer reinforcement ply. 4 4 4
393.55(e) No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 4 0 4
393.75A1-TEPBM Tires - All others - Exposed ply or belt material in tread or sidewall area 4 0 8
393.95(a) No/discharged/unsecured fire extinguisher 4 0 2
393.9A-HLLH Lighting - Headlamp(s) fail to operate on low and high beam 4 0 6
396.3A1-ALBV Air Brake - Any leak from a brake valve 4 0 4
393.11 No or defective lighting devices or reflective material as required 3 0 3
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 3 0 3
393.47A-BCLMBD Drum Brake - Cracked/loose/missing lining/pad 3 0 4
393.55D2-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. 3 0 4
393.78 Wipers - Inoperative / missing / damaged wipers 3 0 1
393.9A-LSLI Lighting - Stop lamps - Any inoperative. 3 0 6
393.11A1-LCHL Lighting - Lamps improper color, height, location. 2 0 6
393.11B-CSLRR Conspicuity Systems - Trailers, lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 2 0 3
393.11TL Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 2 0 3
393.11TU Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 2 0 3
393.23-LEU Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g., unplugged or loose pigtail) 2 2 2
393.55C1-B Air Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault. 2 0 4
393.55C2-B Air Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. 2 0 4
393.75(a)(1) Tire-ply or belt material exposed 2 2 8
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth 2 0 8
393.9A-LHWS Lighting - Hazard warning signal(s) inoperative 2 0 6
393.9A-LSLIWR Lighting - Stop lamps - Both inoperative when required to be on 2 2 6
393.9A-LSML Lighting - Side marker lamp(s) inoperative 2 0 2
393.9A-LTSIR Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit 2 0 6
396.3A1-BALR Air Brake - Fails air loss rate test 2 2 4
396.3A1-F Fuel - Dripping leak. 2 2 3
396.5(b) Oil and/or grease leak 2 0 3
392.9A2-C Cargo - Vehicle components or dunnage not secured 1 1 1
393.100C-C Cargo - Cargo not secured against shifting 1 0 1
393.11A1-CSURR Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 1 0 3
393.11A1-LCL Lighting - Clearance lamp(s) missing 1 0 2
393.11A1-LHLM Lighting - Headlamp(s) - Any missing 1 0 6
393.11A1-LLPL Lighting - License plate lamp missing 1 0 2
393.11A1-LSLM Lighting - Stop lamps - Any missing. 1 0 6
393.11A1-LSML Lighting - Side marker lamp(s) missing 1 0 2
393.11B-CSURR Conspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 1 0 3
393.11LR No Lower rear retroreflective sheeting or reflex reflective materials as required for vehicles manufactured after December 1993 1 0 3
393.201B-FR Frame - Cab or body mounts loose/broken/missing 1 0 2
393.203A-CBP Cab and Body Parts - Door missing/broken 1 0 2
393.205(c) Wheel fasteners loose and/or missing 1 0 2
393.205A-WRBH Wheel/Rim - Cracks between stud holes/hand holes 1 1 2
393.205A-WRTC Wheel/Rim - Two or more cracks anywhere. 1 1 2
393.205C-WR Wheel/Rim - Wheel fasteners loose/missing/ineffective/broken. 1 0 2
393.205C-WRAWFLMIB Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. 1 0 2
393.207(f) Air suspension pressure loss 1 1 7
393.207A-STBW Suspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component can be moved by hand along the axis of the component 1 1 7
393.207F-SDAS Suspension - Deflated air suspension 1 1 7
393.207F-SLAS Suspension - Leaking 3 PSI in 5 minutes 1 0 7
393.209E-STPSD Steering - Power steering components loose/broken 1 0 6
393.30-B Battery - Not protected 1 0 3
393.43D-BIPBS Brake - Inoperative or missing trailer Spring Brake 1 0 4
393.43D-BSB Brake - More than 25% of the spring brakes are inoperative 1 1 4
393.45 Brake tubing and hose adequacy 1 0 4
393.45(b)(2) Brake hose or tubing chafing and/or kinking 1 0 4
393.45(d) Brake connections with leaks or constrictions 1 0 4
393.45A-BHTBS Air Brake - Hose/tubing with a bulge/swelling when air pressure is applied 1 1 4
393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit 1 0 4
393.45B2UV Brake Hose or Tubing Chafing and/or Kinking Under Vehicle 1 0 4
393.45D-BHDB Air Brake - Damaged by heat or broken 1 1 4
393.45DLPC Brake Connections with Leaks - Connection to Power Unit 1 0 4
393.45PC Brake Tubing and Hose Adequacy - Connections to Power Unit 1 1 4
393.45UV Brake Tubing and Hose Adequacy Under Vehicle 1 1 4
393.47A-BCFSAD-SA Air Disc Brake - Contaminated friction surface on a steering axle 1 1 4
393.47A-BCFSBD Drum Brake - Contaminated friction surface 1 0 4
393.47F-B Brake - Wedge type brake(s) out-of-adjustment 1 0 4
393.48(a) Inoperative/defective brakes 1 1 4
393.48A-BIAD Air Disc Brake - Inoperative other than a steering axle 1 0 4
393.48A-BMBCBD Drum Brake - Missing/broken component(s) 1 0 4
393.51C-BNVLAWD Air Brake - No visual low air warning device manufactured on or after 1975. 1 0 4
393.55(c)(1) Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system 1 0 4
393.55(c)(2) CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. 1 0 4
393.60E Windshield - Obstructed 1 0 1
393.60EWS Windshield - Obstructed 1 0 1
393.67(c)(7) Fuel tank fill pipe cap missing 1 0 1
393.67C7V-F Fuel - Missing/improper filler cap 1 0 1
393.70B1I-CDFAM Coupling - Sliding fifth wheel fore/aft stop is missing/not secured 1 0 3
393.75(a) Flat tire or fabric exposed 1 1 8
393.75(a)(4) Tire-cut exposing ply and/or belt material 1 1 8
393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove 1 0 8
393.75A1-TAORETA Tires - All others, has more than one ply exposed in the tread area exceeding 2 square inches. 1 1 8
393.75B-OOS Tire-front tread depth less than 2/32 of inch on a major tread groove 1 1 8
393.75C-OOS Tire-other tread depth less than 1/32 of inch measured in 2 adjacent major tread grooves 3 separate locations 8 inches apart 1 0 8
393.76 Sleeper berth requirement violations 1 0 3
393.81-H Horn - Inoperative or defective 1 0 3
393.83(g) Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment 1 0 1
393.88 Television/video display device - Improperly located 1 0 2
393.9(a) Inoperative Brake Lamps 1 1 6
393.95A4-EENA Emergency Equipment - Fire Extinguishers - not readily accessible or filled 1 0 2
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 1 0 6
393.9H Inoperable head lamps 1 0 6
393.9T Inoperable tail lamp 1 0 6
396.3A1-HCM Hubs - Bearing cap, plug or filler plug missing or broken 1 1 2
396.3A1T Tires (general) 1 0 8
396.5-HL Hubs - Leaking hub 1 1 2
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report 1 0 4

Inspection History

Vehicle Inspections: 429

Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.

(or)
Report Vehicle Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW)
Inspection Date Number State Plate Number Plate State Type Severity Weight
(SW)
Time Weight
(TiW)
Total Weight
(TotW)
Sum of measure weights Sum of measure weights 2,073 770 3,914
TotW TiW
=
3,914 770
= 5.08
More Info

*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.

Investigation Results

Vehicle Maint. Acute/Critical Violations: 0

This carrier has no Vehicle Maintenance Acute/Critical Violations to display.

Summary of Activities

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

  • 11/9/2022 (Compliance Review)
  • 771
    • 416
    • 355
  • : 26

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Continue for more Crash, Inspection & Investigation Details

Inspection Selection System

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

Enforcement Cases

(Six years as of 08/27/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review
For U.S. DOT# 125563
Complete SMS Profile Carrier History Downloads