
Berkeley County Airport (KMKS), Moncks Corner, SC
Flat-rate annual inspections for piston aircraft at KMKS, near Charleston, SC
We inspect and repair single-engine and light twin aircraft at Berkeley County Airport in Moncks Corner. Find your model and see the price before you fly in.
KMKS 2025 flat rates
- Fixed hours
- 16
- Annual / 100-hr
- $2,000
- Pre-buy
- $1,500
Inspection labor at $125 an hour. Parts, oil, AD work and repairs cost extra. See all 57 aircraft
- 57aircraft types with a posted price
- $125/hrflat-rate inspection labor
- Estimatein writing before any repair
- 30+ yearsof aircraft maintenance experience
- Mon to Fri8:00 am to 4:30 pm at KMKS
Annual and 100-hour inspections
We inspect your aircraft to the manufacturer's specifications. The price is a fixed number of labor hours for your model, at $125 an hour.
The annual and the 100-hour inspection cost the same. Before we repair anything, we send you a written estimate of the required (AD) and recommended items.
Not in the flat rate
- Parts, oil, filters and O-rings
- Labor to comply with Airworthiness Directives
- Repairs and items found in the inspection, at $140 an hour
In the flat rate 14 items
- One hour of AD research (unless the aircraft has no AD records)
- Clean, gap, test and rotate the spark plugs
- Run-up before and after, to check the systems
- Compression check
- Service the battery
- Oil and filter change (labor)
- Air filter change (labor)
- Lubricate and service pulleys, hinges and bellcranks
- Clean, inspect and repack the wheel bearings
- Landing gear swing, when required
- Magneto-to-engine timing
- Remove and install panels and interior for access
- ELT test and inspection per FAR 91.207 (labor)
- Inspection of the aircraft
Pre-purchase inspection
A pre-purchase inspection shows the condition of an aircraft before you buy it. It costs 75% of the annual price for that model. If you buy the aircraft within 5 days, we finish it as an annual for the other 25%, plus parts and airworthy items.

Repairs and engine work
We repair what the inspection finds and the squawks you bring in. Our shop rate is $140 an hour. No job is too small: an oil change gets the same care as an engine change.
- Oil changes
- Engine changes and propeller changes
- Engine troubleshooting and adjustments
- AD compliance
- Repairs from spinner to tail lamp
Over 30 years of aircraft maintenance experience. We do the job right the first time, so your aircraft is back in the air sooner.
Call about a squawkInspection prices by aircraft
Flat rates for inspection labor at $125 an hour, from our 2025 rate sheet. Pre-buy is 75% of the annual. Maintenance rates 2025 (PDF)
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 560-520-500 Strike | 34 | $4,250 | $3,187.50 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| Champ/Chief | 10 | $1,250 | $937.50 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 601P/602P | 65 | $8,125 | $6,093.75 |
| Superstar 700 | 70 | $8,750 | $6,562.50 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 23/24 Musketeer / Sierra / Sundowner | 17 | $2,125 | $1,593.75 |
| 33/35/36 Debonair/Bonanza | 24 | $3,000 | $2,250 |
| 55/56/58 Baron | 42 | $5,250 | $3,937.50 |
| 60 Duke | 50 | $6,250 | $4,687.50 |
| 76 Duchess | 50 | $6,250 | $4,687.50 |
| 80 Queen Air | 50 | $6,250 | $4,687.50 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 17-30/31 Viking | 20 | $2,500 | $1,875 |
| Citabria | 12 | $1,500 | $1,125 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 140/150/152 | 14 | $1,750 | $1,312.50 |
| 170/172/175/177 | 16 | $2,000 | $1,500 |
| Late model 172 | 18 | $2,250 | $1,687.50 |
| 180/182/185 | 20 | $2,500 | $1,875 |
| Late model 182 | 24 | $3,000 | $2,250 |
| 180/185 Amphibian | 22 | $2,750 | $2,062.50 |
| 205/206/208 | 24 | $3,000 | $2,250 |
| 177/182 RG | 22 | $2,750 | $2,062.50 |
| 210 | 24 | $3,000 | $2,250 |
| 310/337 | 34 | $4,250 | $3,187.50 |
| 340/402/404/414 | 55 | $6,875 | $5,156.25 |
| 421 | 60 | $7,500 | $5,625 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| SR20 | 18 | $2,250 | $1,687.50 |
| SR22 | 22 | $2,750 | $2,062.50 |
| SR22 Turbo | 24 | $3,000 | $2,250 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| DA20 | 14 | $1,750 | $1,312.50 |
| DA40 | 17 | $2,125 | $1,593.75 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| 415-C | 13 | $1,625 | $1,218.75 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| AA-1 Yankee | 12 | $1,500 | $1,125 |
| AA-5 Tiger | 14 | $1,750 | $1,312.50 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| M10 | 16 | $2,000 | $1,500 |
| M20B-M20G, manual gear | 22 | $2,750 | $2,062.50 |
| M20B-M20J, electric gear | 24 | $3,000 | $2,250 |
| M20K | 26 | $3,250 | $2,437.50 |
| M20R-M20S | 28 | $3,500 | $2,625 |
| M20M-M20TN | 30 | $3,750 | $2,812.50 |
| M20 Turbo | 31 | $3,875 | $2,906.25 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| J3/J4 | 10 | $1,250 | $937.50 |
| PA-18 | 10 | $1,250 | $937.50 |
| PA-38 Tomahawk | 16 | $2,000 | $1,500 |
| PA-20/PA-22 Tri-Pacer | 16 | $2,000 | $1,500 |
| PA-28-140/150/160/180 | 17 | $2,125 | $1,593.75 |
| PA-28-141/151/161/181 | 17 | $2,125 | $1,593.75 |
| PA-28-235 Dakota | 19 | $2,375 | $1,781.25 |
| PA-28R Arrow | 22 | $2,750 | $2,062.50 |
| PA-24-250/260 Comanche | 24 | $3,000 | $2,250 |
| PA-32-260/300 Six | 23 | $2,875 | $2,156.25 |
| PA-32R-300 Lance | 24 | $3,000 | $2,250 |
| PA-32-301 Saratoga | 24 | $3,000 | $2,250 |
| PA-23-150/160/250 Apache/Aztec | 30 | $3,750 | $2,812.50 |
| PA-30/39 Twin Comanche | 30 | $3,750 | $2,812.50 |
| PA-34-200/220 Seneca | 32 | $4,000 | $3,000 |
| PA-44-180 Seminole | 28 | $3,500 | $2,625 |
| PA-31-325/350 Navajo | 60 | $7,500 | $5,625 |
| Model | Hours | Annual / 100-hr | Pre-buy |
|---|---|---|---|
| Eaglet/Bravo | 12 | $1,500 | $1,125 |
Model not listed? Call 843-468-4870 to ask.
How a booking works
Call or send the form
Tell us the make, model and tail number. We pick a date with you.
Bring it to KMKS
Fly in to Berkeley County Airport in Moncks Corner.
We inspect
We do the inspection at the flat rate for your model.
You get an estimate
We send a written estimate of required (AD) and recommended items before we repair.
Logbook entry
The work is complete when you have a dated and signed logbook entry.
Pay and fly home
Pay the invoice in full before release. You have 5 business days after we email it.
After 5 business days, a 5% late fee and a $15 a day storage fee apply. We do not promise inside storage when payment is late.
Questions owners ask
What does the flat rate include?
It includes inspection labor for the hours on our rate sheet. That covers AD research, plugs, run-ups, a compression check, oil and filter change labor, lubrication, wheel bearings, mag timing and the ELT test.
What costs extra?
Parts, oil, filters and O-rings cost extra. Labor to comply with Airworthiness Directives and to repair what the inspection finds costs extra at $140 an hour.
Is a 100-hour inspection the same price as an annual?
Yes. The annual and the 100-hour inspection have the same flat rate for each model.
How does the pre-purchase price work?
A pre-purchase inspection costs 75% of the annual price. If you buy the aircraft within 5 days, we finish it as an annual for the other 25%, plus parts and airworthy items.
Do you repair anything before I agree?
No. We send you a written estimate of the required (AD) and recommended items before we make repairs.
Which aircraft do you work on?
We work on piston single-engine and light twin aircraft from Beechcraft, Cessna, Mooney, Piper and the other makes in our price table.
When do I pay?
Pay the invoice in full before we release the aircraft. You have 5 business days after we email the invoice. After that, a 5% late fee and a $15 a day storage fee apply.
What about items I leave in the aircraft?
Take removable items with you. We are not responsible for items left in the aircraft. For a fee, we can make an inventory of what is inside.
Request a booking
The fastest way to book is to call. You can also send this form, and we call or email you back to pick a date.
Phone: 843-468-4870
Where we are
Fly in to Berkeley County Airport (KMKS).
Drive to 530 Whitesville Road, Moncks Corner, SC 29461.
Open in Google Maps
Monday to Friday, 8:00 am to 4:30 pm. Closed Saturday and Sunday.