The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Marsh Aviation Company

Holds 5 approved modifications, most of them for the Ayres Corporation S-2. FAA spelling: Marsh Aviation Company.

Approved modifications 5 · newest first

Ayres Corporation S-2 3Grumman S-2 1Marsh Aviation S-2 1
2014-09-03SA4837NM · Installation of engines · TS-2A
2002-07-10ST01159LA · Installation of a nose wheel. · S-2F3AT, TS-2A, S2F-3T
1985-03-05SA2534NM · Increase total fuel capacity to186 gallons (182 gallons usable). · S2R
1979-03-20SA3886WE · Installation of Aerospace Controls Corp. No. 1922 air conditioning air conditioning system. (S2R AS MODIFIED UNDER... · S2R
1978-02-16SA3595WE · Installation of dual controls and bench seat. (S2R SNOW, RESTRICTED CATEGORY) · S2R

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.