Herlihy Helicopters IncFAA-certificated Part 141 pilot school in Dover, Delaware
Herlihy Helicopters Inc is listed by the FAA as a certificated 14 CFR Part 141 pilot school at 382 Silver Leaf Lane in Dover, Delaware 19901, under air agency certificate H59S590K with location designator 0098. The same certificate covers 2 FAA-listed locations, so this page describes the Dover site only; the 1 other location is listed below. The address falls in the Dover, DE metropolitan statistical area.
The nearest public-use airport in the FAA's NASR database (effective 6 August 2026) is Chandelle (0N4), a non-towered field at 22 ft elevation, 0.1 miles from the school's listed address. The listed address is on or beside the airfield, which is the usual arrangement for a Part 141 operation flying from its own ramp. With 5 public-use airports inside 10 miles, this is a dense training area where cross-country and pattern work at other fields is a short hop.
Within 100 miles the FAA lists at least five other Part 141 locations; the closest is Delaware State University in Dover, DE at 3.3 miles, followed by Dover AFB Aero Club in Dover Afb at 5.4 miles. Delaware has 4 FAA-listed Part 141 locations in this snapshot, ranking #38 of 51 states and territories, with the largest clusters in Dover (2), Dover Afb (1) and New Castle (1).
The FAA record carries an agency phone number, (609) 923-3228, but no agency email or website for this location. Certification under Part 141 means the FAA has approved the school's training course outlines, facilities and chief-instructor arrangements and inspects them; it is not a quality ranking, and it does not by itself mean the school is VA-approved for GI Bill funding or accredited for federal student aid.
FAA record: Herlihy Helicopters Inc
- FAA designator
- 0098
- Air agency certificate
- H59S590K
- Locations on certificate
- 2 FAA-listed locations
- City / state
- Dover, Delaware
- Listed address
- 382 Silver Leaf Lane, Dover, DE 19901Google MapsApple Maps
- Metro area
- Dover, DE
- Nearest public airport
- 0N4 Chandelle, Dover
- Distance to airport
- 0.1 mi (0.2 km)
- Public airports in 10 mi
- 5
- Agency phone (FAA)
- (609) 923-3228
- Part 141 peers in 100 mi
- 5, nearest 3.3 mi
- Delaware total
- 4 FAA-listed locations (#38 of 51 states)
- FAA data updated
- 24 Aug 2026
Registry fields as reported by the FAA on 24 Aug 2026. Airport and peer distances computed from the geocoded address (Census rooftop match). Individuals named in the FAA record (liaison, accountable manager) are not published.
Herlihy Helicopters Inc is the amber ring; the navy pins are the 5 nearest Part 141 locations. Position from a Census rooftop match. The interactive chart adds 0N4 as the amber circle.
Chart tiles: OpenFreeMap, OpenMapTiles, data from OpenStreetMap. Boundaries: US Census Bureau cartographic boundary files (public domain). School positions: US Census geocoder; airfields: FAA NASR.
Other locations on certificate H59S590K
| Location | City / state | Designator | Nearest airport |
|---|---|---|---|
| Helicopter Flight Services | Medford, NJ | H59S | N14 Flying W |
Nearest other Part 141 schools
| School | City / state | Distance | Designator |
|---|---|---|---|
| Delaware State University | Dover, DE | 3.3 mi | UDWS |
| Dover AFB Aero Club | Dover Afb, DE | 5.4 mi | D7GS |
| New Castle Airport | New Castle, DE | 33 mi | 37WS |
| Pray Aviation Inc | Easton, MD | 43 mi | Z7GS |
| Harford Air Services LLC | Churchville, MD | 48 mi | 7HDS |
Straight-line distances between listed addresses. See all Delaware schools on the Delaware page or the national Part 141 directory.
Cost context
flightschoolcost.com has no state-specific pricing page for Delaware yet. National reference points: a Private Pilot License typically runs $12,000 to $18,000 all-in (see the PPL cost analysis), and the Part 141 versus Part 61 trade-off is worked through on Part 141 vs Part 61.
Primary sources
- AV-Info Find a Facility: 14 CFR Part 141 Pilot Schools. Federal Aviation Administration, data updated 24 Aug 2026, captured 28 August 2026. https://www.faa.gov/av-info/facility-dashboard
- Part 141 pilot schools (regulatory overview). Federal Aviation Administration, accessed August 2026. https://www.faa.gov/licenses_certificates/airline_certification/pilotschools
- NASR 28-day subscription, airport data (APT_BASE), effective 6 August 2026. FAA Aeronautical Information Services, accessed August 2026. https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/
- Census Geocoder (batch, Public_AR_Current benchmark). US Census Bureau, run 28 August 2026. https://geocoding.geo.census.gov/geocoder/