Over 50 Years of Industry Experience | Over 22 Years in Business

Pilot in cockpit, smiling and seated at controls with various instruments and screens visible. Highlights the aviation environment and pilot experience.

Harry Driscoll & Associates

Business Aviation Professionals

When Time is Short – Our Full Service is Faster!

When Time is Short - Our Full Service is Faster
We meet with the FAA, so you don't have to!

A Full-Service FAA Compliance Provider

Operators of US Registered Private Business Jets need Letters of Authorization (LOA’s) enabling unrestricted access to airspace and routes for efficient air travel worldwide.
 Popular Letters of Authorization (LOA’s) your business jet might need:  

US & Worldwide RVSM Authorization – Reduce Vertical Separation Minimums – Allows unrestricted access to RVSM Airspace. Not required when US Registered Aircraft are operating in US Airspace. FAA Code (B046)

NAT HLA – North Atlantic High Level Airspace (formerly MNPS) – Allows unrestricted access to North Atlantic Airspace between North America and European Continent. FAA Code (B039 with B036 as Prerequisite)

RNP Authorization – Required Navigation Performance – Oceanic & Remote Areas – RNP-10 & RNP-4 – Allows unrestricted access to RNP Routes and Airspace. FAA Code (B036)

“C“ Series Approach Authorizations – Where required, allows use of specified RNAV/GNSS Approches, Terminal Routes, SIDS and STARS, including: FAA Code (C052 for LNAV/VNAV/LPV), FAA Code (C063 for RNAV-RNP) and FAA Code (C073 for VNAV IAP-MDA as DH).

FANS-1/A+ – CPDLC & ADS-C Datalink approval for selected North Atlantic, Pacific, Asia and other routes so designated. Allows unrestricted access to routes where FANS-1/A+ required. FAA Code (A056)

EFVS-HUD Authorization using FAA Approved electronic visual presentation allowing operations to touchdown and rollout, or to 100 feet above Touchdown per 14 CFR 91.176(a) or (b). Required FAA Code (C048)

MEL Authorization D095 or D195 MEL – FAR Part 91 authorization to defer defects

Additional Programs not FAA required – Required by some countries 

Company Operations Manual – ICAO Annex 6 Part 2 standard for compliance, including Safety Management System (SMS)

Contact us for a quote or questions about LOA services for your aircraft.
A sleek private jet soars over rugged canyons and a shimmering lake, showcasing luxury travel amidst stunning natural scenery.
RNAV departure chart for Houston's George Bush Intercontinental Airport detailing the INDIE Eight route, including waypoints and altitude instructions.
Pilot operating an aircraft in the cockpit, focused on landing with controls and digital displays visible. Relevant for aviation safety and operations discussions.
Flight path diagram detailing airspace navigation routes with red and blue lines indicating approved flight paths and green waypoints.
Instrument approach chart for Gatwick Airport, detailing RNAV procedures for runway 08L, including waypoints, altitudes, and approach routing.
Luxurious private jet on a runway against a dramatic sunset sky. The sleek design highlights elegance and sophistication in air travel.
A sleek twin-engine aircraft soaring above mountain ranges during sunset, showcasing its elegant black and white design and modern aesthetics.

Testimonials

See what operators say about us. 

“I’d like to thank you for all your help and support on our US Registered aircraft, without your help we will have lot of problem on the paperwork side. I will always rely on you for any ‘N’ Registration aircraft under our management for all the paperwork related to FAA. I thank you for the good relation we had and we should keep this way all years to come”
- Director Operations, Global 5000 GVFD & Lineage 1000 Operator – Asia
“Let me start out by saying thanks for all the coordination you did with our G650. I know things were hectic with all our changes and indecision but you guys came through as usual.”
- Aviation Manager, Gulfstream 650ER Operator – Europe
“On a personal note I must compliment your organization for the excellent support whenever your group is assigned to supply information to the FAA. It certainly helps me to get LOA processing done more quickly, particularly on the new templates.”
- FAA Principal Operations Inspector
“The Ops Inspector just told me our application was the best the FSDO has seen. It was well organized and easy to process. Thanks again for the fine work.”
- Director of Aviation, Gulfstream IV & Citation X Operator – United States
“First and foremost, allow me to congratulate you and your team. The recommendation to use you indeed was fruitful and that we are able to have our LoAs before we fly off from the factory. This is another positive testimony for your professional, efficient and effective service…..Thanks also for the follow up action and monitoring from your end.”
- Aviation Director, Global 5000 GVFD Operator – Asia
“Wow, that’s great … a short notice LOA issued in record time!”
- Owner/Principal, Challenger 605 – United States
“As a small flight department with worldwide flights we depend on Harry Driscoll & Associates …..his team of knowledgeable professionals have helped us with numerous LOA’s and have been our voice with the FAA.”
- Chief Pilot, Gulfstream 650 – United States

Testimonials

See what operators say about us. 

“I’d like to thank you for all your help and support on our US Registered aircraft, without your help we will have lot of problem on the paperwork side. I will always rely on you for any ‘N’ Registration aircraft under our management for all the paperwork related to FAA. I thank you for the good relation we had and we should keep this way all years to come”
- Director Operations, Global 5000 GVFD & Lineage 1000 Operator – Asia
“Let me start out by saying thanks for all the coordination you did with our G650. I know things were hectic with all our changes and indecision but you guys came through as usual.”
- Aviation Manager, Gulfstream 650ER Operator – Europe
“On a personal note I must compliment your organization for the excellent support whenever your group is assigned to supply information to the FAA. It certainly helps me to get LOA processing done more quickly, particularly on the new templates.”
- FAA Principal Operations Inspector
“The Ops Inspector just told me our application was the best the FSDO has seen. It was well organized and easy to process. Thanks again for the fine work.”
- Director of Aviation, Gulfstream IV & Citation X Operator – United States
“First and foremost, allow me to congratulate you and your team. The recommendation to use you indeed was fruitful and that we are able to have our LoAs before we fly off from the factory. This is another positive testimony for your professional, efficient and effective service…..Thanks also for the follow up action and monitoring from your end.”
- Aviation Director, Global 5000 GVFD Operator – Asia
“Wow, that’s great … a short notice LOA issued in record time!”
- Owner/Principal, Challenger 605 – United States
“As a small flight department with worldwide flights we depend on Harry Driscoll & Associates …..his team of knowledgeable professionals have helped us with numerous LOA’s and have been our voice with the FAA.”
- Chief Pilot, Gulfstream 650 – United States

Special LOA Services

FAA Part 91 Streamline Processing (SLOA) – Application  processed in much less time than the standard LOA processing. Requirements include FAA Approved Statements of Compliance and Application Forms submitted to include: 

  • Aircraft Statement of Compliance (ASOC) – Provided by FAA qualified aircraft manufacturers.

  • Training Statement of Compliance (TSOC) – Provided by FAA qualified training providers.

  • Procedures Statement of Compliance (PSOC) – Provided by Harry Driscoll & Associates, an FAA qualified provider

Ask if your New delivery or Pre-Owned current production aircraft qualifies for 91Streamline LOA Processing.

HD&A is FAA Approved to access the SAS/WebOPSS Data Base, provide initial data entry and future maintenance for your LOA profile. This access is effective in Streamlining LOA process both Inspectors and Operators.

Most common reasons FAA Rejects LOA Applications

Unless the operator/applicant is able to insure the accuracy of all application documentation prior to submission, the FAA may reject initially the application.

Most common errors and omissions by Manual Providers are

1.Failure to provide proper technical documentation for original installations and re-certification tests.

2.Failure to include supportive crew & operator documentation with the application.

3.Failure to submit applications to the operators correct principle FAA Office.

4.Failure to provide current procedures in the SAO Manual. 

Contact us if you need a Rescue of your LOA application currently stuck at the FAA.

Yellow cover of the "LOA Streamlined Operational Approvals" guide, featuring images of aviation equipment and a professional reviewing documents.
Guide cover for Oceanic and Remote Continental Operations, detailing navigation performance requirements for aviation. Includes an aircraft above a nighttime globe and FAA logo.
Cover of the “Data Link Communications Application Guide” by the FAA, featuring an airplane taking off against a blue sky, symbolizing aviation technology.
Guide for FAA's LOA C048 EFVS Operations application, detailing submission protocols and inspector guidance. Relevant for aviation professionals.

When Time is Short – Our Full Service is Faster!

  • We research aircraft history and technical records for FAA compliance.
  • We prepare the application documents and manuals to FAA Regulations and Guidance.
  • We present the application to the FAA on your behalf to the FAA office responsible for your flight operation.
  • We follow up with each FAA Inspector until LOA is issued.
  • We make prompt replies and edits required by Inspectors to keep the application on track.
  • We report status to you as the LOA Application is processed by the FAAs at the FAA.
  • We follow up with you long after the LOA is issued in case updates are needed, allowing your LOA to remain valid.
  • We ask final payment only when you have your LOA in hand.