DRB closes hearing on Beta Technologies subdivision at South Burlington Airport after waiver, access debates

The South Burlington Development Review Board closed its continued hearing March 4 on Beta Technologies Inc.’s final plat application (SD-2501) to subdivide land at 1150 Airport Drive into three lots after extended discussion about waiver requests, access, and survey monumenting.

The application seeks to divide a single parcel described in the submission as a 901.6-acre lot developed with an airport complex into three parcels (Lot A 3.01 acres; Lot B 0.92 acres; Lot C 0.14 acres) and retain the parent parcel. The applicant is Beta Technologies; legal counsel Malachi Brennan of SRH Law and representatives Alex Gagnon (Beta) and Larry Lackey (airport) attended. Board staff discussed a series of waiver requests tied to the municipality’s Land Development Regulations and the interplay of Federal Aviation Administration (FAA) requirements.

Why it matters: the board must determine whether municipal waiver standards apply where federal airport operations and lease terms constrain lot shape, access and future redevelopment potential. The decision affects how the city records and limits future changes to airport‑controlled parcels and whether Beta’s lease‑driven configuration can be accepted with numeric waivers tied to existing conditions.

Board and staff summary of key issues

- Waiver basis and FAA: The applicant’s counsel said the waiver requests are founded on how the airport manages the property and on FAA rules. Malachi Brennan (SRH Law) told the board “the basis for each of the waivers is essentially the same and it’s based on ... how the FAA regulations apply here.” Staff and a board member agreed the board need not decide FAA preemption if it can instead find the LDR waiver criteria are met because of legal constraints specific to the land. Marla Keane (staff) read the waiver standard for the record, noting the DRB must find that (1) the improvement is not necessary to ensure public health, safety and general welfare, (2) the modification is the minimum necessary, and (3) the modification will not nullify the intent and purpose of the regulations.

- Lot coverage and setbacks: Staff recommended the board require the applicant to compute existing lot coverage and front-setback coverage for each proposed lot and to establish those figures as the maximum permitted coverage for future development. The board accepted staff’s recommendation that any granted coverage waiver be tied to a fixed numeric baseline (the existing conditions) rather than permit an unbounded future expansion.

- Minimum lot size and redevelopment demonstration for Lots B and C: Two of the proposed lots are smaller than the zoning district minimum. Staff advised that, if the lots are being used as surface parking lots, the board should require a plan demonstrating potential for redevelopment before granting a minimum-lot-size modification. Applicant representatives argued the areas are used for aircraft movement, maintenance and charging infrastructure (not conventional vehicle parking) and that FAA/airport constraints limit future redevelopment.

- Access to Lot C (20-foot requirement): The DRB discussed a municipal standard that non‑street lots must have a permanent legal access easement of at least 20 feet. The plan showed an 18-foot wide gate/aisle in the airport pavement where access to Lot C would run. Several board members asked whether the narrower width was a legal or physical constraint that met the waiver necessity standard. Frank (board member) said he had not heard a legal restriction that would prevent expanding the access to 20 feet and observed “necessity is not met” unless the applicant points to a specific legal or physical constraint. The applicant and airport representatives confirmed a ground lease and existing gate provide functional access and agreed to revise the plat to depict a 20-foot legal access easement (for example by adding a 2-foot easement strip) and to show the right of access on the plan.

- Monumenting: Staff recommended the board require permanent survey monuments. The board and applicant discussed less intrusive monument types acceptable for airfield locations (durable markers) and asked that the survey note the monument type in the record rather than use intrusive field monuments that would interfere with airfield operations.

Board process and next steps

- The board informally affirmed combining preliminary and final plat review for this application based on past practice.

- Staff will make the lot‑coverage computations a closing condition and will work with the applicant to show a 20‑foot access easement to Lot C on the final plat and to note survey monument types. The applicant indicated willingness to revise the plan to depict the easement and to provide necessary documentation from the lease as evidence of access rights.

- The DRB then voted to close the hearing. The motion to close was approved by voice vote (ayes; no opposed recorded) so the record is closed and staff will draft a decision that memorializes the board’s conditional findings and any numeric waivers granted.

Sources and direct quotes in this report are drawn from statements on the March 4 meeting record. Final approvals, conditions and any numeric waiver amounts will be set in the DRB decision once staff incorporates the conditions and the board issues its written order.

Ending note: Staff said the decision will include explicit, numeric limits for any granted waivers tied to the existing site conditions, and that any future development proposals for these lots will need separate DRB review.